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

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ES#4043333 - 2660-15050 - 4.5" S-FLO Closed Carbon Intake System - The largest constant diameter intake system available for the Audi 8V/8Y RS 3 and Mk3 TT RS on the planet - AWE - Audi

The largest constant diameter intake system available for the Audi 8V/8Y RS 3 and Mk3 TT RS on the planet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

2019+ models require the AWE DV Adapter Kit for proper fitment. (ES4883105)

Brand:
AWE - Corporate Logo
ES#:
4043333
Mfg#:
2660-15050
In Stock at Vendor
$1515.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4362393 - UH033-EXA - Unitronic Downpipe w/ Midpipes for 2.5TFSI EVO - Featuring 400 cell high flow catalytic converter - Unitronic - Audi

Featuring 400 cell high flow catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4362393
Mfg#:
UH033-EXA
Ships in 2 Business Days
$2269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4659031
Mfg#:
CBK0041
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.

$2536.99

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

$2254.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4920253 - BIG-380 - BigPack Performance Intercooler Kit - Audi RS3 8V 8Y - Unlock the full performance potential of your Audi RS3 8V with the do88 BigPack. - DO88 - Audi

Unlock the full performance potential of your Audi RS3 8V with the do88 BigPack. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DO88 - Corporate Logo
ES#:
4920253
Mfg#:
BIG-380
Ships on Jun 24, 2026
$2570.99

This product was last offered at the strikethrough price on
04-18-2026

$2254.99 USD
ES#4057094 - MS100195 - APR 980cc MPI Injector Kit - Includes an upgraded high-flow multi-port injection (MPI) injector and harness necessary to satisfy high horsepower build - APR - Audi Volkswagen

Includes an upgraded high-flow multi-port injection (MPI) injector and harness necessary to satisfy high horsepower build 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!
*This injector upgrade is only compatible with matching ECU software*

Brand:
APR - Corporate Logo
ES#:
4057094
Mfg#:
MS100195
Ships in 3 Business Days
12% off MSRP

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

$138.99

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

$122.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4630045 - SW10032.1 - TTE700 EVO Turbo Upgrade - 8V RS3 & 8S TTRS 2.5T - Designed to handle up to 750HP! - The Turbo Engineers - Audi

Designed to handle up to 750HP! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4630045
Mfg#:
SW10032.1
Back Ordered
$4299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4643523 - ts-0553-1002 - Turbosmart WG45 Gen V Hyper-Gate 45 - More features, options and performance than any other gate. - TurboSmart - Audi BMW Volkswagen

More features, options and performance than any other gate. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TurboSmart - Corporate Logo
ES#:
4643523
Mfg#:
TS-0553-1002
In Stock
10% off MSRP

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

$518.99

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

$467.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#514125 - 0580254044 - Bosch 044 High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - Bosch - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
514125
Mfg#:
0580254044
In Stock
$230.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3509543 - SSXAU726 - 3.0" Large Bore Downpipe - Featuring Milltek Sport High-Flow sports cat, fits with OE and Milltek cat-back systems. - Milltek Sport - Audi

Featuring Milltek Sport High-Flow sports cat, fits with OE and Milltek cat-back systems. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3509543
Mfg#:
SSXAU726
Ships in 3 Business Days
$1955.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4044669 - PC 09 - Pedal Commander - Throttle Response Controller With Bluetooth - Unleash the hidden power in your vehicle to get instant feedback & response! - Pedal Commander  - Audi Volkswagen Porsche

Unleash the hidden power in your vehicle to get instant feedback & response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pedal Commander  - Corporate Logo
ES#:
4044669
Mfg#:
PC 09
Ships in 1 Business Day
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4159143 - ieexcq4KT1 - RS3 Ultra-Performance Valved Turbo-Back Exhaust System - Satin Black Tips - The IE 304L Stainless system features the 3.5" IE Performance Downpipe, into 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 the 3.5" IE Performance Downpipe, into 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!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4159143
Mfg#:
IEEXCQ4KT1
Back Ordered
$3849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4350144 - 20010-BRD - Boost Cooler Stage 2 Progressive Water/Methanol Injection Kit - Engine mounted, stainless steel braided line, 4AN fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Engine mounted, stainless steel braided line, 4AN fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4350144
Mfg#:
20010-BRD
In Stock at Vendor
$625.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4727674 - AWE8VRS3 - AWE Exhaust System - Audi 8V RS 3 2.5T - Comprised of handcrafted 3-inch and 2.5-inch U.S.-sourced T304L stainless steel and available as valved SwitchPath™ or more unleashed Track Edition - AWE - Audi

Comprised of handcrafted 3-inch and 2.5-inch U.S.-sourced T304L stainless steel and available as valved SwitchPathâ„¢ or more unleashed Track Edition affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4727674
Mfg#:
AWE8VRS3
Ships on Jun 24, 2026
Starting at $1845.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4629928 - UH011-DRA - Unitronic Dogbone Engine Mount - Race - T7075 Billet Aluminum mount utilizing "Race" polyurethane bushings for a stiffer, more aggressive feel. - Unitronic - Audi

T7075 Billet Aluminum mount utilizing "Race" polyurethane bushings for a stiffer, more aggressive feel. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4629928
Mfg#:
UH011-DRA
Ships in 5 Business Days
ON SALE! SAVE 10%
$579.99

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

$521.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4147674 - SN0-40060 - High Flow Water-Methanol Solenoid Upgrade - Quick-Connect Fittings - Robust protection for your WMI installation to ensure peace of mind - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Robust protection for your WMI installation to ensure peace of mind affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4147674
Mfg#:
SN0-40060
In Stock
$73.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4845952 - SSXAU982 - Race Cat-Back Exhaust System - Non-Resonated - 80mm (3.15") stainless steel with dual Cerakote Black oval tips - Retains valves from OE system - Milltek Sport - Audi

80mm (3.15") stainless steel with dual Cerakote Black oval tips - Retains valves from OE system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4845952
Mfg#:
SSXAU982
In Stock
$3616.99 USD

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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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