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Description
Give you Audi S3 8V or S3 8.5V facelift the upgrade he deserves with this Stage 3 Performance KitWith this package you get the most power per euro and turn your S3 into a true performance monster. Instead of squeezing the absolute most out of the original IS38 turbo, you replace it directly with the more powerful Endura IS38 Performance Turbo, designed for maximum flow, reliability and raw power at higher wattages.
The kit addresses all the restrictions: intake, exhaust, fuel system, cooling, and ignition. The result? Serious capital gains that you feel with every acceleration, combined with a aggressive sound which fits perfectly with a Stage 3 S3.
The unique thing about this kit is that it fully complete with 12 top upgradesNo separate purchases, no worries about forgetting something – everything you need for a complete Stage 3 build is included.
NB: a professional ECU and TCU tuning is mandatory. Without custom software, you won't be able to fully utilize the hardware and risk engine damage. Need help finding a tuner? Feel free to contact us.
Compatibility
• Audi S3 8V (2012–2016)
• Audi S3 8.5V facelift (2017–2021)
Contents of the package
• Endura IS38 Performance Turbo
• Endura Turbo Muffler Delete
• Endura Turbo Inlet Elbow
• Endura Performance Air Intake 3.5″
• Endura Performance Downpipe 3.5″
• Endura Performance Intercooler
• Endura Performance LPFP Fuel Pump
• Endura HPFP Fuel Pump Upgrade Kit
• Endura Performance Ignition Coils
• NGK R7437-9 Iridium Racing spark plugs
• GFB DV+ T9381 Diverter Valve
• Integrated Engineering 5 Bar MAP Sensor set
Advantages
• Fit guarantee: seamless fit, just like original
• All in one complete Stage 3 kit
• No separate purchases or missing parts
• Turbo upgrade included – up to 550 hp achievable
• Perfectly matched package of air, fuel and cooling upgrades
• Best price-quality ratio on the market
• Ready for heavy tuning and track days
Main components
Endura IS38 Performance Turbo
Reinforced internals with dual ceramic bearings, bolt-on mounting, and a choice of 500 hp or 550 hp versions. Fast spooling and smooth power delivery.
Endura Motorsport Turbo Muffler Delete
Aluminum design for more direct turbo response and better audible turbo sound.
Endura Motorsport Turbo Inlet Elbow
High-flow design increases airflow by 50% for sharper throttle response and up to 7 hp gains.
Endura Motorsport 3.5″ Air Intake
Increased airflow towards the turbo, up to 16 hp gain with Stage 1 tuning.
Endura Motorsport 3.5″ Downpipe
Handcrafted from T304 stainless steel with TIG welding, available with sport cat or decat.
Endura Motorsport Intercooler
101% larger volume than OEM, maximum cooling for 600+ hp setups.
Endura Motorsport LPFP Fuel Pump
Delivers 525 LPH, supports powers above 550 hp and E85 fuel.
Endura Motorsport HPFP Upgrade Kit
Increases flow by 38%, tested up to 300 bar pressure.
NGK R7437-9 Iridium Racing spark plugs
Heat level colder, ideal for Stage 3 setups above 500 hp.
GFB DV+ T9381 Diverter Valve
Faster response and better boost control than OEM, prevents turbo flutter.
Integrated Engineering 5 Bar MAP Sensor Set
Essential for higher turbo pressures on Stage 3 builds.
Frequently Asked Questions
Do I need tuning for this kit?
Yes, ECU and TCU tuning are obliged to use the assets safely.
Does this kit fit all Audi S3 models?
Yes, this kit is suitable for both the S3 8V if the 8.5V facelift.
Item number: ENDURA-ST3-S38V
Additional information
| Brand | Fashion model | Model code | Performance |
|---|---|---|---|
| Brand | Fashion model | Model code | Performance |
| Audi | S3 | 8V / 8.5V - 13-20 | 2.0 TFSI - 300 / 310 |
Guarantee
Endura Motorsport stands behind the quality of all our products and offers a standard 12-month warranty on all our items, unless otherwise stated in the product description. We strive to ensure our customers long-term satisfaction and peace of mind when using our products. To use our warranty service, we ask customers to provide a valid proof of purchase. This invoice serves as proof of purchase and allows us to respond quickly and efficiently to any warranty claims. Please note that the warranty is valid only for the original purchaser and is not transferable to subsequent owners who purchased the product second-hand. We strive to handle every warranty claim with the utmost care and speed, so that our customers can continue to enjoy our products without interruption. Please feel free to contact us if you have any questions about our warranty terms or if you need assistance submitting a warranty claim. Your satisfaction is our top priority at Endura Motorsport.

Pros and cons
- 100% fit guarantee
- Most affordable set on the market!
- More power & torque
- No endless searching, all-in-one purchase
- ECU adjustments necessary
- Bumper disassembly is required
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