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Audi RS3 8V (2018+) 2.5T Performance Engine Parts

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ES#3536888 - SSXAU741 - Cat-Back Exhaust System - Non-Resonated - 3.00" Stainless Steel with dual Polished oval tips - Retains valves from OE system - Milltek Sport - Audi

3.00" Stainless Steel with dual Polished oval tips - Retains valves from OE system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3536888
Mfg#:
SSXAU741
Ships in 3 Business Days
$2655.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3504935 - SSXAU588 - Midpipes for 2.5TFSI EVO - Replaces the restrictive secondary midpipe - Fits both OE and Milltek Sport systems - Milltek Sport - Audi

Replaces the restrictive secondary midpipe - Fits both OE and Milltek Sport systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*** Not all vehicles come equipped with secondary cats, visual check recommended before ordering ***

Brand:
Milltek Sport - Corporate Logo
ES#:
3504935
Mfg#:
SSXAU588
Back Ordered
$330.99 USD
Free Shipping
ES#4140261 - 034-504-Z007 - Audi 8V.5 RS3 DSG Catch Can Kit - CNC milled 6061-T6 billet aluminum catch can replaces the tiny OE plastic vent and prevents transmission fluid from being forced out and splashing around the engine bay. - 034Motorsport - Audi

CNC milled 6061-T6 billet aluminum catch can replaces the tiny OE plastic vent and prevents transmission fluid from being forced out and splashing around the engine bay. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4140261
Mfg#:
034-504-Z007
In Stock
$320.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4158529 - IEEXCQ4 - RS3 Ultra-Performance Valved Catback Exhaust System - Satin Black Tips - The IE 304L Stainless system features a massive 3.5" straight-through center pipe that splits to dual 3" pipes out the back with the valves open - This is enough flow to power even the largest turbo setups! - Integrated Engineering - Audi

The IE 304L Stainless system features a massive 3.5" straight-through center pipe that splits to dual 3" pipes out the back with the valves open - This is enough flow to power even the largest turbo setups! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
*To be used with IE downpipe IEEXCQO1 / ES3677700 (Does not include Y-pipe adapter to mate with factory downpipe)

Brand:
Integrated Engineering - Corporate Logo
ES#:
4158529
Mfg#:
IEEXCQ4
Back Ordered
$2549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4144932 - SN0-310-BRD - Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4144932
Mfg#:
SN0-310-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3969446 - SAUX079 - Scorpion Downpipe With High Flow Sports Cat - 4.00" 304 stainless performance downpipe system with a high flow sports catalyst - Scorpion - Audi

4.00" 304 stainless performance downpipe system with a high flow sports catalyst affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scorpion - Corporate Logo
ES#:
3969446
Mfg#:
SAUX079
Ships in 2 Business Days
$1248.99 USD
Free Shipping
ES#4668540 - VWR140011 - VWR Turbo Boost Pipe Upgrade Kit - Replaces the original plastic charge pipes with a larger 70mm diameter aluminum boost pipe and beautiful smooth-flowing silicone replacement hoses - Racingline - Audi

Replaces the original plastic charge pipes with a larger 70mm diameter aluminum boost pipe and beautiful smooth-flowing silicone replacement hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4668540
Mfg#:
VWR140011
Ships in 1 Business Day
$413.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2764288 - MM0CU - Universal Oil Cooler - 10 Row - Upgrading cooling for your engine oil - Mishimoto - Audi BMW Volkswagen MINI

Upgrading cooling for your engine oil affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764288
Mfg#:
MM0CU
In Stock
$410.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4500516 - 30-3326 - AEM Water/Methanol Injection System - High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out - AEM Electronics  - Audi BMW Volkswagen MINI Porsche

High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AEM Electronics  - Corporate Logo
ES#:
4500516
Mfg#:
30-3326
In Stock
$124.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4143550 - RF100016 - Oiled Air Filter - Replacement filter for CI100038-A - APR - Audi

Replacement filter for CI100038-A Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4143550
Mfg#:
RF100016
In Stock
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$125.99

This product was last offered at the strikethrough price on
06-04-2026

$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4135253 - GRT-TBO-K51 - Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger - Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). - ATP - Audi Volkswagen

Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
ATP - Corporate Logo
ES#:
4135253
Mfg#:
GRT-TBO-K51
Ships in 6 Business Days
$2265.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4505757 - 034-106-Z056 - High Pressure Fuel Pump Tool - Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! - 034Motorsport - Audi

Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4505757
Mfg#:
034-106-Z056
In Stock
$28.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4872556 - UH051-INA - Unitronic 4" Turbo Inlet Elbow - 28% increase in flow over stock - Designed for the popular IMS750HS turbocharger upgrade - Unitronic - Audi

28% increase in flow over stock - Designed for the popular IMS750HS turbocharger upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only for use with the IMS750HS turbocharger upgrade.

Brand:
Unitronic - Corporate Logo
ES#:
4872556
Mfg#:
UH051-INA
In Stock
ON SALE! SAVE 15%
$499.99

This product was last offered at the strikethrough price on
05-21-2026

$424.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4905485 - CTS-IT-963 - CTS Turbo Audi 8V/8Y RS3 5" Intake System - Take your Audi 8V/8Y RS3 to the next level with the CTS Turbo 5 Intake System  a meticulously engineered solution for performance enthusiasts looking to maximize airflow, power, and sound. - CTS - Audi

Take your Audi 8V/8Y RS3 to the next level with the CTS Turbo 5″ Intake System – a meticulously engineered solution for performance enthusiasts looking to maximize airflow, power, and sound. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4905485
Mfg#:
CTS-IT-963
Ships in 7 Business Days
$499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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