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Audi RS3 8V (2018+) 2.5T

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

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Injector Dynamics ID1300X Fuel Injector Set - With PNP Harness

ES#4505850 - UH007-FLA - Injector Dynamics ID1300X Fuel Injector Set - With PNP Harness - High flow injector with characteristics specific to the needs of the motorsport tuner. - Unitronic - Audi

High flow injector with characteristics specific to the needs of the motorsport tuner. For models with DAZA engine code.

Brand:
Unitronic - Corporate Logo
ES#:
4505850
Mfg#:
UH007-FLA
Ships on Aug 6, 2026
$1350.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oiled Air Filter

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! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4143550
Mfg#:
RF100016
Ships in 4 Business Days
11% off MSRP

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

$130.99

This product was last offered at the strikethrough price on
07-20-2026

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

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

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

Audi 8V.5 RS3 DSG Catch Can Kit

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.

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

RS3 Ultra-Performance Valved Catback Exhaust System - Satin Black Tips

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! 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

Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line

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 MINI

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle

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

Scorpion Downpipe With High Flow Sports Cat

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

Brand:
Scorpion - Corporate Logo
ES#:
3969446
Mfg#:
SAUX079
Ships in 2 Business Days
$1248.99 USD
Free Shipping

CTS Turbo 4" Turbo Inlet Pipe

ES#4044409 - CTS-HW-360 - CTS Turbo 4" Turbo Inlet Pipe - Larger inlet provides increased flow to the turbo - Results in a 78% increase in volume over the stock turbo inlet! - CTS - Audi

Larger inlet provides increased flow to the turbo - Results in a 78% increase in volume over the stock turbo inlet!

Brand:
CTS - Corporate Logo
ES#:
4044409
Mfg#:
CTS-HW-360
Back Ordered
Auto Notify
ON SALE! SAVE 29%
$299.99

This product was last offered at the strikethrough price on
07-10-2026

$212.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Midpipes for 2.5TFSI EVO

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 *** 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

Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger

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). 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

AEM Water/Methanol Injection System

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

Brand:
AEM Electronics - Corporate Logo
ES#:
4500516
Mfg#:
30-3326
In Stock at Vendor
11% off MSRP

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

$149.99

This product was last offered at the strikethrough price on
07-20-2026

$132.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Cat-Back Exhaust System - 8V RS3

ES#4659031 - CBK0041 - APR Cat-Back Exhaust System - 8V RS3 - T304 stainless-steel construction with dual 2.5" mandrel-bent brushed tubing with quad 2.5" outlets in dual 170x112mm ovalized tips - APR - Audi

T304 stainless-steel construction with dual 2.5" mandrel-bent brushed tubing with quad 2.5" outlets in dual 170x112mm ovalized tips Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4659031
Mfg#:
CBK0041
Ships in 5 Business Days
11% off MSRP

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

$2536.99

This product was last offered at the strikethrough price on
07-20-2026

$2254.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump Tool

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!

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

Universal Oil Cooler - 19 Row

ES#2764082 - MM0CUL - Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764082
Mfg#:
MM0CUL
In Stock at Vendor
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Audi 8V/8Y RS3 5" Intake System

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.

Brand:
CTS - Corporate Logo
ES#:
4905485
Mfg#:
CTS-IT-963
Back Ordered
ON SALE! SAVE 15%
$499.99

This product was last offered at the strikethrough price on
07-10-2026

$424.99 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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