If you’re looking to boost your Audi S3’s performance, choosing the right turbo kit is essential. The best options balance power gains with reliability, but you’ll need to consider factors like compatibility, build quality, and budget. The Turbocharger 06K145874F stands out as the overall best for its factory-level fit and performance, while the IS38 Turbocharger offers a significant upgrade for enthusiasts seeking maximum power. On the flip side, some kits sacrifice durability for affordability, making them better suited for casual drivers or those on a tight budget. Keep reading to find out which turbo kit fits your needs and what tradeoffs to expect across the options.
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Key Takeaways
- The top-ranked turbo kits all prioritize direct fitment and compatibility with the Audi S3, minimizing installation hassle.
- Premium options like the IS38 deliver substantial power increases but come at a higher cost and potentially more complex installation.
- Affordable kits often compromise on durability or efficiency, making them suitable for light use or temporary upgrades.
- Gasket and actuator quality vary significantly; kits with included high-quality components tend to last longer and perform more reliably.
- Ease of installation and warranty support are common differentiators among the best options.
| Turbocharger 06K145874F 06K145874G for Audi S3 2.0L 2015-2020 & VW Arteon 2.0L 2019-2020 |  | Best Budget Replacement for Compatibility | Manufacturer: Tenlioshun | Compatible Vehicles: Audi S3 2.0L (2015-2020), VW Arteon 2.0L (2019-2020) | Part Numbers: 06K145874F, 06K145874G | VIEW LATEST PRICE | See Our Full Breakdown |
| RHF4 Turbocharger w/Actuator Fits for Audi A3 L4 1.8L 2015-2016 |  | Best for Budget 1.8L Models | Compatible Vehicles: Audi A3 L4 1.8L (2015-2016) | Part Number: 847-1626 | Material: Alloy | VIEW LATEST PRICE | See Our Full Breakdown |
| A-Premium K03 Turbo Turbocharger Kit with Gasket and Wastegate Actuator |  | Best for Wide Model Compatibility | Application: Audi A4, A5, Q5, TT, Atlas | Material: Alloy | Includes: Gasket, Wastegate Actuator | VIEW LATEST PRICE | See Our Full Breakdown |
| A-Premium RHF5 Complete Turbocharger Turbo Kit with Gasket |  | Best for OE-Style Fitment and Durability | Application: Audi A3, A4, A5, Q3, Q5, TT, VW Atlas, GTI | Material: Alloy | Includes: Gasket | VIEW LATEST PRICE | See Our Full Breakdown |
| maXpeedingrods K03 Turbocharger Kit for Audi A4 2.0T |  | Best for Value and OEM Replacement | Application: Audi A4 2.0T (2004-2008) | Housing Material: Ductile iron | Compressor Wheel: Forged aluminum alloy | VIEW LATEST PRICE | See Our Full Breakdown |
| IS38 Turbocharger 06K145722H for Audi S3 TTS (MK3) 2014+ VW Golf VII GTI R 2.0T 1984ccm Replaces OE 06K145874G 06K145874F 06K145702J 06K145702M |  | Best Overall Performance Upgrade | Turbo Model: IS38 | Compatible Vehicles: Audi S3 8V, VW Golf VII R, TTS MK3 | Material: Aluminum compressor housing, cast iron turbine housing | VIEW LATEST PRICE | See Our Full Breakdown |
| A-Premium TD025L4BR Complete Turbocharger Kit |  | Best Value Replacement Kit | Turbo Model: TD025L4BR | Compatible Vehicles: Audi A3 2014-2019, VW Golf, Passat | Housing Material: Cast iron | VIEW LATEST PRICE | See Our Full Breakdown |
| A-Premium Complete Turbocharger Kit with Gasket |  | Best for Wide Compatibility | Vehicle Compatibility: Audi A3 2010-2013, VW Jetta 2009-2014 | Turbo Model: BV43 | Material: Alloy | VIEW LATEST PRICE | See Our Full Breakdown |
| A-Premium Complete Turbo Turbocharger with Gasket Kit Compatible with Audi |  | Best for Extensive Compatibility | Vehicle Compatibility: Audi A3 2008-2013, VW Jetta, Beetle 2012-2013 | Turbo Model: Unknown | Material: Alloy | VIEW LATEST PRICE | See Our Full Breakdown |
| maXpeedingrods K03 Turbo Turbocharger Kit for Audi A4 A5 A6 |  | Best for OEM Replacement & Daily Reliability | Turbo Model: K03 | Compatible Vehicles: Audi A4, A5, A6 | Housing Material: Forged aluminum, ductile iron | VIEW LATEST PRICE | See Our Full Breakdown |
| New Stigan K03 Turbo Kit With Turbocharger Gaskets For Audi & Volkswagen VW 2.0T BPY – BuyAutoParts 40-80313S0 |  | Best Overall for OEM Replacement | Turbo Model: K03 | Gasket Included: Yes | Warranty: 2 years unlimited miles | VIEW LATEST PRICE | See Our Full Breakdown |
| 06H145702S Turbocharger W/Gasket Kits Fits for 2009-2017 Audi A4 A5 A6 Quattro Allroad Q5 06H145702G |  | Best Value for Versatile Compatibility | Turbo Model: RHF5 | Wastegate Actuator Included: Yes | Gasket Included: Yes | VIEW LATEST PRICE | See Our Full Breakdown |
| A-Premium K03 Turbocharger Kit with Wastegate Actuator & Gasket |  | Best Premium for Complete Turbo Upgrade | Turbo Model: K03 | Wastegate Actuator: Included | Gasket Included: Yes | VIEW LATEST PRICE | See Our Full Breakdown |
| turbo kits for Audi S3 | Warranty | Includes | Material | Turbo Model |
|---|---|---|---|---|
| Turbocharger 06K145874F 06K145 | Not specified | — | — | — |
| RHF4 Turbocharger w/Actuator F | 12 months | Actuator, Gasket | Alloy | — |
| A-Premium K03 Turbo Turbocharg | Not specified | Gasket, Wastegate Actuator | Alloy | — |
| A-Premium RHF5 Complete Turboc | Not specified | Gasket | Alloy | — |
| maXpeedingrods K03 Turbocharge | Not specified | Turbocharger | — | — |
| IS38 Turbocharger 06K145722H f | One year | — | Aluminum compressor housing, cast iron turbine housing | IS38 |
| A-Premium TD025L4BR Complete T | One year | Gaskets | — | TD025L4BR |
| A-Premium Complete Turbocharge | One year | Wastegate actuator, gasket | Alloy | BV43 |
| A-Premium Complete Turbo Turbo | One year | Gasket, wastegate | Alloy | Unknown |
| maXpeedingrods K03 Turbo Turbo | Unavailable | — | — | K03 |
| New Stigan K03 Turbo Kit With | 2 years unlimited miles | Turbocharger, gaskets, o-rings | — | K03 |
| 06H145702S Turbocharger W/Gask | — | — | Alloy | RHF5 |
| A-Premium K03 Turbocharger Kit | — | Turbo, wastegate, gasket | Alloy | K03 |
More Details on Our Top Picks
Turbocharger 06K145874F 06K145874G for Audi S3 2.0L 2015-2020 & VW Arteon 2.0L 2019-2020
This turbocharger from Tenlioshun provides a straightforward replacement option for the Audi S3 2.0L models from 2015-2020, making it ideal for owners seeking a cost-effective fix without the need for performance upgrades. Compared with premium kits like the A-Premium RHF5, this turbo offers a more affordable alternative but lacks detailed warranty and customer reviews, making quality assessment difficult. Its compatibility with multiple part numbers and models, combined with Amazon’s return guarantee, enhances confidence for those verifying fitment. However, the listing omits warranty specifics and has no customer feedback, which raises questions about longevity and reliability. This pick is best for budget-conscious buyers prioritizing compatibility over performance.
Pros:- Compatible with multiple part numbers and popular Audi/VW models
- Seller offers fitment verification assistance
- Backed by Amazon’s 30-day return guarantee
Cons:- No customer reviews or ratings to validate quality
- Fitment must be carefully verified, as incorrect part numbers won’t fit
- Warranty details not clearly stated
Best for: Owners of Audi S3 or VW Arteon looking for an inexpensive, direct-fit turbo replacement.
Not ideal for: Performance enthusiasts seeking upgraded turbos with proven durability and extensive reviews.
- Manufacturer:Tenlioshun
- Compatible Vehicles:Audi S3 2.0L (2015-2020), VW Arteon 2.0L (2019-2020)
- Part Numbers:06K145874F, 06K145874G
- Package Contents:1 x Turbocharger
- Warranty:Not specified
- Fitment Assistance:Available from seller
Our verdict“Best suited for owners needing a reliable, low-cost replacement without performance upgrades or extended warranty concerns.”
RHF4 Turbocharger w/Actuator Fits for Audi A3 L4 1.8L 2015-2016
This RHF4 turbo kit from Yutmatin offers a comprehensive replacement for the Audi A3 1.8L models from 2015-2016, ideal for owners who want a complete turbo assembly with included actuator and gasket. Compared to higher-performance kits like the A-Premium RHF5, this option emphasizes affordability and straightforward installation but is limited to 1.8L models, not suitable for 2.0L engines or higher power demands. Its alloy construction and included heat-dissipating features promote durability, yet the listing reveals a perfect five-star rating based on only one review, raising questions about overall reliability. The 12-month return policy adds some confidence, but lack of extensive feedback makes quality hard to verify. This choice makes the most sense for budget-conscious owners of 1.8L Audis seeking a direct replacement.
Pros:- Complete turbo kit with actuator and gasket included
- High-quality alloy construction for heat dissipation
- Factory tested for direct replacement fitment
Cons:- Limited to 1.8L engines, not suitable for 2.0L models
- Only one customer review, making durability hard to assess
- Warranty period is only 12 months
Best for: Owners of 2015-2016 Audi A3 L4 1.8L seeking an OEM-like turbo replacement with actuator included.
Not ideal for: Owners of higher-performance models or those wanting a turbo upgrade for increased power.
- Compatible Vehicles:Audi A3 L4 1.8L (2015-2016)
- Part Number:847-1626
- Material:Alloy
- Includes:Actuator, Gasket
- Warranty:12 months
- Customer Ratings:5.0 (1 review)
Our verdict“Ideal for budget-minded owners of 1.8L Audis who need a reliable, OEM-style turbo replacement with heat-resistant features.”
A-Premium K03 Turbo Turbocharger Kit with Gasket and Wastegate Actuator
This A-Premium kit covers a broad range of Audi models from A4 to Q5, offering a versatile turbo upgrade with included gasket and wastegate actuator. Compared with the dedicated Audi S3 options like the IS38 or the maXpeedingrods K03, this kit’s wider vehicle compatibility makes it a flexible choice for owners with various 2.0L turbocharged Audis. Its high-grade alloy housing and built-in wastegate promote heat dissipation and boost control, but the listing lacks detailed specifications, customer reviews, or warranty information, which can hinder confidence in long-term reliability. Its broad application makes it ideal for technicians or owners planning multiple upgrades, but not for those seeking a guaranteed performance boost or brand assurance. This kit is best for owners of compatible Audi models who want a cost-effective, multi-application turbo upgrade.
Pros:- Compatible with multiple Audi models including A4, A5, Q5
- Includes gasket and wastegate actuator
- High-grade alloy housing for heat management
Cons:- Lack of specific technical specs or customer reviews
- Warranty information is not provided
- Compatibility may require precise vehicle verification
Best for: DIY owners or garages servicing various 2.0L Audi models needing a universal turbo kit.
Not ideal for: Owners of the Audi S3 or those requiring specifically tested performance upgrades with extensive warranty coverage.
- Application:Audi A4, A5, Q5, TT, Atlas
- Material:Alloy
- Includes:Gasket, Wastegate Actuator
- Part Number:Multiple
- Warranty:Not specified
- Fitment Assistance:Recommended for vehicle verification
Our verdict“Best for versatile application across various Audi models where cost savings and broad compatibility are priorities.”
A-Premium RHF5 Complete Turbocharger Turbo Kit with Gasket
This A-Premium kit is designed for multiple Audi and VW models from 2015-2022, emphasizing durability with high-temp resistant turbine housing and forged aluminum compressor wheel. Compared with the smaller, more specific kits like the maXpeedingrods K03, this turbo offers a broader application with included gaskets, making it suitable for owners seeking a factory-like fit and performance. Its high-quality materials and comprehensive kit make it ideal for DIY enthusiasts or professional installers looking for a reliable OE-style upgrade, but the lack of detailed warranty or customer feedback could be a concern for long-term reliability. Its broad model coverage makes it a good value for multiple vehicle owners, but it may be overkill for those wanting a performance boost beyond factory specs. This kit is best for owners seeking a durable, OEM-replacement turbo across multiple models.
Pros:- Compatible with multiple Audi and VW models
- Includes gaskets for sealing and performance
- High-temp resistant alloy construction
Cons:- No customer reviews or detailed warranty info
- Potentially over-spec for standard replacement needs
- Installation may require technical skill
Best for: Owners of various Audi and VW models wanting a reliable, OEM-style turbo upgrade with included gaskets.
Not ideal for: Performance-focused users seeking high-horsepower upgrades or specific tuning options.
- Application:Audi A3, A4, A5, Q3, Q5, TT, VW Atlas, GTI
- Material:Alloy
- Includes:Gasket
- Part Number:Multiple
- Warranty:Not specified
- Fitment Assistance:Recommended for vehicle verification
Our verdict“Ideal for owners wanting a durable, factory-matching turbo replacement for a range of compatible models.”
maXpeedingrods K03 Turbocharger Kit for Audi A4 2.0T
The maXpeedingrods K03 turbo kit offers a direct OEM replacement for Audi A4 2.0T models from 2004-2008, focusing on restoring factory efficiency rather than enhancing performance. Compared with the more modern, high-performance options like the IS38 or the A-Premium kits, this turbo is designed primarily for durability and OEM compatibility, with high-temperature resistant turbine and forged aluminum compressor wheel that improve airflow and boost response. Its application is limited to older models, and installation may require familiarity with turbo systems, but its focus on factory-style operation and straightforward fit makes it a popular choice for owners restoring original performance. The lack of advanced features or warranty details suggests it’s best for maintenance rather than upgrades. This turbo kit is best suited for owners of older A4 2.0T models seeking reliable OEM replacement.
Pros:- Direct OEM replacement for older models
- High-temperature resistant turbine housing
- Forged aluminum compressor wheel for airflow
Cons:- Limited to specific older models
- No performance upgrade features
- Warranty details are not specified
Best for: Owners of 2004-2008 Audi A4 2.0T needing a factory-style turbo replacement for restoration.
Not ideal for: Owners seeking significant power upgrades or modern tuning features.
- Application:Audi A4 2.0T (2004-2008)
- Housing Material:Ductile iron
- Compressor Wheel:Forged aluminum alloy
- Maximum Temperature:1292°F
- Includes:Turbocharger
- Warranty:Not specified
Our verdict“Best for owners of pre-2008 Audi A4 2.0T seeking a dependable, factory-style turbo replacement.”
IS38 Turbocharger 06K145722H for Audi S3 TTS (MK3) 2014+ VW Golf VII GTI R 2.0T 1984ccm Replaces OE 06K145874G 06K145874F 06K145702J 06K145702M
The IS38 turbocharger stands out for its ability to significantly boost power for Audi S3 and similar models, making it a favorite for enthusiasts seeking maximum performance. Unlike the stock turbo, it uses high-strength aluminum and cast iron housings for durability under high temperatures, which translates into better longevity and consistent boost. Compared with the A-Premium kits, the IS38 offers more high-end power potential, but it involves a more complex install and higher cost. Tradeoffs include a need for precise fitment verification and potential tuning requirements. This turbo is ideal for those looking for a reliable, high-performance upgrade with proven durability, provided they are comfortable with installation complexity.
Pros:- High-performance boost and power gains
- Durable aluminum and cast iron construction
- Compatible with multiple models and OE replacements
- Includes high-temp resistant housings
Cons:- Higher price point compared to basic replacements
- Installation and tuning can be complex for amateurs
- Requires verification of fitment and possibly ECU tuning
Best for: Performance-focused car enthusiasts who want a direct, high-quality upgrade for their Audi S3 or VW Golf R.
Not ideal for: Casual drivers or those seeking a simple replacement, as the installation is more involved and may require professional tuning.
- Turbo Model:IS38
- Compatible Vehicles:Audi S3 8V, VW Golf VII R, TTS MK3
- Material:Aluminum compressor housing, cast iron turbine housing
- Boost Capacity:High
- Part Number:06K145722H
- Warranty:One year
Our verdict“This turbo makes sense for owners who want maximum performance and are prepared for a more involved upgrade process.”
A-Premium TD025L4BR Complete Turbocharger Kit
The A-Premium TD025L4BR kit offers a comprehensive bundle, including gaskets, for a straightforward replacement on several Audi and VW models, making it an attractive option for budget-conscious owners. It features a robust cast iron turbine housing and alloy compressor wheel, which provide reliable durability and heat resistance. While it won’t deliver the same high-end performance as the IS38, it offers dependable boost and longevity for daily driving. The main tradeoff is that it’s a basic replacement, not a performance upgrade, and verification of fitment is essential since multiple part numbers exist. This kit is ideal for owners seeking a durable, OEM-standard turbo replacement without the need for tuning or performance enhancements.
Pros:- Complete kit with gaskets included
- OE-level durability and heat resistance
- One-year unlimited-mileage warranty
- Easy to install for qualified mechanics
Cons:- Limited performance upgrade potential
- Fitment verification required due to multiple part numbers
- Installation may still need professional help
Best for: Owners needing reliable, OEM-equivalent turbo replacement for daily driving and long-term durability.
Not ideal for: Performance enthusiasts or those wanting significant power gains, since this kit is optimized for reliability rather than high output.
- Turbo Model:TD025L4BR
- Compatible Vehicles:Audi A3 2014-2019, VW Golf, Passat
- Housing Material:Cast iron
- Warranty:One year
- Includes:Gaskets
- Part Numbers:04E145715D, 04E145721P
Our verdict“This kit is a smart choice for owners seeking a dependable, factory-standard turbo replacement for everyday use.”
A-Premium Complete Turbocharger Kit with Gasket
The A-Premium turbo kit is designed for a broad range of 2.0L L4 engines across various Audi and VW models, including Jetta and Beetle, making it ideal for owners with multiple vehicles or those wanting a versatile replacement. It features high-grade alloy components for improved heat dissipation, along with a wastegate actuator and gasket for easier installation. Compared with the IS38, this kit doesn’t aim for high performance but provides a reliable boost for daily driving. The main tradeoff is its limited target vehicle range and the need for technical installation skills. Owners should verify compatibility before purchase. This kit suits owners who prioritize reliability and broad compatibility over maximum power gains.
Pros:- Compatible with many popular models
- Includes wastegate actuator and gasket
- High-grade alloy for heat management
- One-year unlimited mileage guarantee
Cons:- Limited to specific engine types
- Requires technical skill for installation
- No performance boost focus
Best for: Owners needing a dependable turbo kit across multiple models with minimal fuss.
Not ideal for: Performance seekers or owners with high horsepower ambitions, as this is tailored more for stock or mildly tuned setups.
- Vehicle Compatibility:Audi A3 2010-2013, VW Jetta 2009-2014
- Turbo Model:BV43
- Material:Alloy
- Includes:Wastegate actuator, gasket
- Warranty:One year
- Part Numbers:5303-970-0208
Our verdict“A solid choice for owners looking for versatile, reliable turbo replacements for stock setups.”
A-Premium Complete Turbo Turbocharger with Gasket Kit Compatible with Audi
This A-Premium turbo kit covers a wide range of 2.0L engines across Audi and VW, making it suitable for owners with multiple vehicles or those seeking a universal replacement. Its high-grade alloy components ensure good heat dissipation and durability, and it includes essential parts like wastegate and gasket for ease of installation. When compared to the IS38, it’s less about high power and more about dependable stock performance. The main tradeoff is that it’s limited to specific engine models and requires technical expertise for installation. It’s best suited for owners who want a broad, reliable turbo replacement without performance upgrades.
Pros:- Compatible with many models including Jetta and Beetle
- Includes wastegate and gasket
- Made with heat-dissipating alloy
- One-year unlimited mileage warranty
Cons:- Limited to specific engine types
- Installation requires skill
- Less suited for high-performance builds
Best for: Owners of multiple 2.0L models seeking a versatile, dependable turbo solution.
Not ideal for: Those aiming for high performance or significant tuning, as this is primarily a stock replacement.
- Vehicle Compatibility:Audi A3 2008-2013, VW Jetta, Beetle 2012-2013
- Turbo Model:Unknown
- Material:Alloy
- Includes:Gasket, wastegate
- Warranty:One year
- Part Numbers:06J145701N
Our verdict“This kit provides a reliable, wide-ranging turbo replacement for owners prioritizing dependability over power gains.”
maXpeedingrods K03 Turbo Turbocharger Kit for Audi A4 A5 A6
The maXpeedingrods K03 turbo kit is engineered as an OEM replacement, targeting owners who want to restore factory efficiency and reliability for their A4, A5, or A6. With high-quality forged aluminum compressor wheels and ductile iron turbine housings, it offers excellent heat resistance and durability. Compared with the more performance-oriented IS38, it’s designed for stable boost and long-term daily use. Tradeoffs include less aggressive power gains and the need for precise installation. It’s best for owners who want a seamless, OEM-standard replacement that maintains reliable operation without tuning or high output ambitions.
Pros:- OEM-grade quality and fitment
- Durable forged aluminum and ductile iron housing
- Restores factory boost and efficiency
- No modifications required for installation
Cons:- Limited performance increase
- Installation should be done by professionals
- Less suitable for tuned or high-boost setups
Best for: Owners seeking a direct OEM replacement for daily driving and long-term durability.
Not ideal for: Performance-focused drivers or those interested in high horsepower upgrades, since this is tailored for reliability rather than maximum output.
- Turbo Model:K03
- Compatible Vehicles:Audi A4, A5, A6
- Housing Material:Forged aluminum, ductile iron
- Boost Capacity:Factory
- Part Number:06H145702L
- Warranty:Unavailable
Our verdict“This turbo is perfect for owners wanting a reliable, factory-standard replacement for daily use without performance tuning.”
New Stigan K03 Turbo Kit With Turbocharger Gaskets For Audi & Volkswagen VW 2.0T BPY – BuyAutoParts 40-80313S0
This stock replacement K03 turbo stands out for its exact fitment on the BPY engine, making it a reliable choice for those seeking a direct OEM upgrade. Compared with the more complex A-Premium K03 Turbo Turbocharger Kit, this option offers a straightforward installation with all necessary gaskets included. Its unlimited mileage warranty adds peace of mind, emphasizing durability. However, it’s limited to the BPY engine code, so it’s not suitable for other models. This turbo is ideal for enthusiasts who prioritize trouble-free, OEM-like performance and want a proven, hassle-free replacement.
Pros:- Exact OEM fit for BPY engines, ensuring straightforward installation
- Includes all necessary gaskets and o-rings for a complete replacement
- Two-year unlimited-mileage warranty promotes confidence in durability
Cons:- Limited to engine code BPY, so incompatible with other models
- Designed for stock replacement, not performance enhancement
Best for: Owners of Audi or VW vehicles with the BPY engine requiring a reliable OEM turbo replacement.
Not ideal for: Those with different engine codes or seeking a high-performance upgrade beyond stock specifications.
- Turbo Model:K03
- Gasket Included:Yes
- Warranty:2 years unlimited miles
- Fitment:Only for engine code BPY
- Includes:Turbocharger, gaskets, o-rings
- Brand:Stigan
Our verdict“This turbo kit is best suited for S3 owners seeking a dependable OEM replacement with minimal fuss.”
06H145702S Turbocharger W/Gasket Kits Fits for 2009-2017 Audi A4 A5 A6 Quattro Allroad Q5 06H145702G
This high-grade alloy turbocharger is designed for a broad range of Audi and VW models from 2009 to 2017, making it a versatile choice for those with multiple vehicles or a need for a durable, long-lasting part. Compared with the New Stigan K03 Turbo Kit, it offers compatibility across several models, which can be a major advantage for owners with different engines. Its construction from resistant alloys ensures excellent heat dissipation and durability. The inclusion of the wastegate actuator and gasket simplifies installation, but this kit requires a certain level of technical skill and is not a plug-and-play upgrade for the S3 specifically. It is best for owners seeking a long-term, durable replacement for multiple models.
Pros:- Constructed from high-grade, heat-resistant alloys for durability
- Includes wastegate actuator and gasket for easier installation
- Compatible with multiple Audi and VW models from 2009-2017
Cons:- Requires technical expertise for installation
- Not a performance upgrade but a replacement part
Best for: DIY enthusiasts or mechanics needing a durable turbo kit compatible with various Audi and VW models from 2009-2017.
Not ideal for: Owners of the Audi S3 who want a direct, model-specific OEM replacement or performance upgrade.
- Turbo Model:RHF5
- Wastegate Actuator Included:Yes
- Gasket Included:Yes
- Material:Alloy
- Vehicle Fitment:2009-2017 Audi A4, A5, A6, Q5, Allroad
- Replaces OE Number:06H145702L, 06H145702G
Our verdict“This turbo kit offers excellent durability and compatibility for owners of multiple vehicles but isn’t tailored for high-performance tuning of the S3.”
A-Premium K03 Turbocharger Kit with Wastegate Actuator & Gasket
This all-in-one turbocharger kit is tailored for those seeking a high-performance upgrade, featuring a K03 turbo model with included wastegate actuator and gasket. Compared to the stock replacements like the New Stigan K03, it offers enhanced performance potential and is designed for more aggressive driving. Built from high-grade alloy, it promises durability and effective heat dissipation under demanding conditions. The inclusion of all necessary components makes it a comprehensive upgrade, but it also requires a higher level of mechanical skill and precise installation. It’s best suited for enthusiasts aiming for a boost in power rather than a simple OEM replacement.
Pros:- Includes turbo, wastegate actuator, and gasket for a full upgrade
- Constructed from durable high-grade alloy for heat resistance
- Designed for performance enhancement beyond stock specs
Cons:- Requires advanced mechanical skills for installation
- Potentially more expensive than stock replacements
Best for: Performance-focused owners of Audi S3 looking for a complete turbo upgrade capable of supporting higher power levels.
Not ideal for: Owners seeking a straightforward OEM replacement or those with limited mechanical experience.
- Turbo Model:K03
- Wastegate Actuator:Included
- Gasket Included:Yes
- Material:Alloy
- Application:High-performance upgrade for Audi S3
- Includes:Turbo, wastegate, gasket
Our verdict“This premium upgrade makes sense for owners wanting increased power and performance, provided they have the skills for installation.”
How We Picked
Products were selected based on compatibility with the Audi S3, performance potential, build quality, and user feedback. We prioritized turbo kits that offer factory or near-factory fitment to reduce installation complications, while also considering their ability to deliver meaningful power gains. Cost-effectiveness was evaluated alongside durability and included components like gaskets and actuators. The ranking reflects a balance between performance upgrades and reliability, ensuring each kit suits different driver needs—from casual enthusiasts to serious tuners.| turbo kits for Audi S3 | Material | Turbo Model |
|---|---|---|
| Turbocharger 06K145874F 06K145 | — | — |
| RHF4 Turbocharger w/Actuator F | Alloy | — |
| A-Premium K03 Turbo Turbocharg | Alloy | — |
| A-Premium RHF5 Complete Turboc | Alloy | — |
| maXpeedingrods K03 Turbocharge | — | — |
| IS38 Turbocharger 06K145722H f | Aluminum compressor housing, cast iron turbine housing | IS38 |
| A-Premium TD025L4BR Complete T | — | TD025L4BR |
| A-Premium Complete Turbocharge | Alloy | BV43 |
| A-Premium Complete Turbo Turbo | Alloy | Unknown |
| maXpeedingrods K03 Turbo Turbo | — | K03 |
| New Stigan K03 Turbo Kit With | — | K03 |
| 06H145702S Turbocharger W/Gask | Alloy | RHF5 |
| A-Premium K03 Turbocharger Kit | Alloy | K03 |
Factors to Consider When Choosing Best Turbo Kits For Audi S3
When selecting a turbo kit for your Audi S3, understanding key factors can help you make an informed decision that balances performance, reliability, and budget. Turbo upgrades are complex, and choosing the wrong kit can lead to costly repairs or subpar results. Here are some critical considerations to guide your purchase.Compatibility and Fitment
Ensuring the turbo kit is designed specifically for the Audi S3 2.0L model is vital. A perfect fit reduces installation time and prevents potential issues with mounting and piping. Some kits are universal and require modifications, which can be challenging for less experienced DIYers. Always verify the product details and confirm it matches your vehicle’s year and engine type to avoid compatibility surprises.
Performance Gains vs. Reliability
Higher-performing turbo kits, like the IS38, can significantly boost horsepower but may demand supporting modifications such as upgraded intercoolers or fuel systems. Cheaper kits might deliver modest gains but often lack long-term durability. Striking a balance between increased power and reliability is key, especially if you plan to keep your car as a daily driver. Consider your driving habits and future upgrade plans when choosing a kit.
Build Quality and Included Components
High-quality materials in the turbocharger, gaskets, and actuators influence both performance and lifespan. Kits with ceramic or coated turbines tend to resist heat and wear better. Included components like gaskets and wastegates should be durable and properly rated for high temperatures. Investing in a kit with robust parts reduces the need for early replacements and troubleshooting.
Ease of Installation and Support
Some turbo kits are plug-and-play, ideal for DIY enthusiasts, while others may require professional installation. Look for kits that come with detailed instructions and good customer support. Warranty coverage and manufacturer reputation also matter—kits from established brands tend to offer better assistance if issues arise. Remember, a complicated install can significantly increase total upgrade costs.
Cost and Future Upgrades
Budget constraints influence your choice, but extremely inexpensive kits often sacrifice quality. Consider how the turbo kit fits into your broader upgrade plan—if you aim for substantial horsepower increases, investing in a premium kit now could save money long-term. Also, check if the kit is compatible with future modifications like upgraded intercoolers or exhaust systems to maximize your investment.
Frequently Asked Questions
Will installing a turbo kit void my Audi S3 warranty?
Installing an aftermarket turbo kit can potentially void parts of your vehicle’s warranty, especially if it leads to damage or if the modification is not approved by the manufacturer. However, some manufacturers or dealers may offer partial coverage or warranty extensions for certain upgrades. It’s wise to consult your dealership and review your warranty policy before proceeding, and consider professional installation to avoid warranty issues related to improper setup.
What supporting modifications are necessary after installing a turbo kit?
Upgrading your turbo often requires additional modifications for optimal performance and reliability. Common upgrades include a high-flow intercooler, upgraded fuel injectors, a tuned ECU, and a stronger exhaust system. These components help handle increased boost pressure, improve airflow, and prevent engine damage. Failing to support your turbo upgrade can lead to poor performance or engine issues, so plan your build comprehensively.
How long does it take to install a turbo kit on an Audi S3?
The installation duration varies depending on the kit and your mechanical experience. A straightforward, plug-and-play kit might take 4-6 hours for a professional, but more complex setups requiring custom piping or tuning can extend to a full day or more. If you’re inexperienced, hiring a professional is recommended to ensure proper installation and to avoid costly mistakes.
Are there any risks associated with upgrading to a larger turbo?
Upgrading to a bigger turbo like the IS38 or similar increases power but also raises the risk of engine stress, heat build-up, and potential reliability issues if not paired with supporting mods. Improper tuning or insufficient cooling can lead to engine damage. To mitigate these risks, choose a reputable kit, ensure proper tuning, and consider upgrading other components to handle the increased load.
Is it worth choosing a kit that includes all components like gaskets and actuators?
Yes, opting for a complete kit with high-quality gaskets and actuators simplifies the upgrade process and reduces the chance of compatibility issues. These kits often reduce installation time and help ensure all parts are rated for high-performance operation. While they may cost more upfront, the added reliability and peace of mind can make them a better long-term investment.
Conclusion
For most enthusiasts, the Turbocharger 06K145874F offers the best blend of fitment, performance, and value, making it ideal for daily drivers and casual tuners. Those seeking maximum power should consider the IS38 Turbocharger, though it requires more supporting mods and careful tuning. Budget-conscious buyers can find suitable options among the less expensive kits, but should be aware of potential durability tradeoffs. Beginners or those new to turbo upgrades will benefit from kits with comprehensive support and straightforward installation, such as the A-Premium options. Ultimately, your choice depends on your performance goals, budget, and experience level—select wisely to get the most out of your Audi S3 upgrade.
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