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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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BMS Pedal Tuner

ES#3998870 - BPT-VA1 - BMS Pedal Tuner - Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience! - Burger Motorsports - Audi Volkswagen

Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience!

Brand:
Burger Motorsports - Corporate Logo
ES#:
3998870
Mfg#:
BPT-VA1
In Stock
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi Atmospheric Diverter Valve Spacer - Clear

ES#3551290 - 025254ECS01-02 - VW/Audi Atmospheric Diverter Valve Spacer - Clear - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3551290
Mfg#:
025254ECS01-02
In Stock
ON SALE! SAVE 25%
$83.99

This product was last offered at the strikethrough price on
06-13-2026

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - With UniCONNECT+ Cable

ES#4389407 - 25TFSIEVO-UC - Unitronic Performance Software - With UniCONNECT+ Cable - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4389407
Mfg#:
25TFSIEVO-UC
In Stock
ON SALE!
Starting at $914.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic MPI Upgrade Kit 2.5TFSI EVO

ES#4362302 - UH005-FLA - Unitronic MPI Upgrade Kit 2.5TFSI EVO - Gains up to +183 HP / +177 TQ over stock output w/ Unitronic Stage 2 E85 Performance Software - Unitronic - Audi

Gains up to +183 HP / +177 TQ over stock output w/ Unitronic Stage 2 E85 Performance Software

Brand:
Unitronic - Corporate Logo
ES#:
4362302
Mfg#:
UH005-FLA
In Stock
$579.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Turner Baffled Oil Catch Can Kit - 8oz

ES#3458264 - 022798tms01-07KT - Complete Turner Baffled Oil Catch Can Kit - 8oz - A 4 chamber, baffled oil catch can complete with a universal mount and drain system! - Turner Motorsport - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A 4 chamber, baffled oil catch can complete with a universal mount and drain system! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3458264
Mfg#:
022798TMS01-07KT
In Stock
ON SALE! SAVE 15%
$336.99

This product was last offered at the strikethrough price on
06-13-2026

$286.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Walbro Universal 450lph In-Tank Fuel Pump Low Pressure

ES#3241084 - F90000274 - Walbro Universal 450lph In-Tank Fuel Pump Low Pressure - Great for when more fuel is needed in a custom fueling application - Walbro - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application

Brand:
Walbro - Corporate Logo
ES#:
3241084
Mfg#:
F90000274
In Stock
$137.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TTE777 EVO Turbo Upgrade - 8V RS3 & 8S TTRS 2.5T

ES#4629520 - TTE10316.1 - TTE777 EVO Turbo Upgrade - 8V RS3 & 8S TTRS 2.5T - Designed to handle up to 850HP! - The Turbo Engineers - Audi

Designed to handle up to 850HP! Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4629520
Mfg#:
TTE10316.1
Back Ordered
$5580.99

This product was last offered at the strikethrough price on
07-22-2026

$5199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic 4" Turbo Inlet Elbow

ES#4362363 - UH019-INA - Unitronic 4" Turbo Inlet Elbow - 28% increase in flow over stock. - Unitronic - Audi

28% increase in flow over stock.

Brand:
Unitronic - Corporate Logo
ES#:
4362363
Mfg#:
UH019-INA
In Stock
$549.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MQB Billet / Polyurethane Dogbone Mount Bushing Insert

ES#4220513 - 010935ECS07KT2 - MQB Billet / Polyurethane Dogbone Mount Bushing Insert - Decrease subframe bushing slop for better drivetrain response! - ECS - Audi Volkswagen

Decrease subframe bushing slop for better drivetrain response! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4220513
Mfg#:
010935ECS07KT2
In Stock
ON SALE! SAVE 25%
$91.99

This product was last offered at the strikethrough price on
06-13-2026

$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row - Black

ES#2764102 - MM0CULBK - Universal Oil Cooler - 19 Row - Black - 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#:
2764102
Mfg#:
MM0CULBK
In Stock
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi RS3 & TTRS 2.5 TFSI EVO 3.5" Downpipe

ES#3677700 - IEEXCQO1 - Audi RS3 & TTRS 2.5 TFSI EVO 3.5" Downpipe - Deliver up to 577HP with a matching IE Stage 2 Tune and turn your 2.5T into an all-out power monster! - Integrated Engineering - Audi

Deliver up to 577HP with a matching IE Stage 2 Tune and turn your 2.5T into an all-out power monster! *Does not include Y-pipe adapter (IEEXCQ3) - Necessary if mating to stock cat-back system*

Brand:
Integrated Engineering - Corporate Logo
ES#:
3677700
Mfg#:
IEEXCQO1
In Stock
$1299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Throttle Booster

ES#4624165 - EM100050 - APR Throttle Booster - Wireless Controller with Blutooth Mobile connectivity - APR - Audi Volkswagen Porsche

Wireless Controller with Blutooth Mobile connectivity Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4624165
Mfg#:
EM100050
In Stock
ON SALE! SAVE 10%
$299.95

This product was last offered at the strikethrough price on
09-28-2026

$269.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can - 8oz

ES#4369812 - 003779ECS05-02 - ECS Tuning Baffled Oil Catch Can - 8oz - Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! - ECS - Audi BMW Volkswagen MINI

Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! 10X Entries Into Our F80 M3 Sweepstakes
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369812
Mfg#:
003779ECS05-02
In Stock
ON SALE! SAVE 10%
$238.99

This product was last offered at the strikethrough price on
06-13-2026

$215.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BigPack Performance Intercooler Kit - Audi RS3 8V 8Y

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.

Brand:
DO88 - Corporate Logo
ES#:
4920253
Mfg#:
BIG-380
Ships on Oct 22, 2026
$2570.99

This product was last offered at the strikethrough price on
09-23-2026

$2570.00 USD

IE Performance Catback Exhaust - Audi RS3 8V

ES#4674821 - IEEXCQ5 - IE Performance Catback Exhaust - Audi RS3 8V - Let your 2.5L beast roar with the ultimate Audi RS3 exhaust system. - Integrated Engineering - Audi

Let your 2.5L beast roar with the ultimate Audi RS3 exhaust system.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4674821
Mfg#:
IEEXCQ5
Ships in 1 Business Day
$2549.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Billet Spherical Dogbone Mount Performance Pack

ES#4141484 - 034-509-1043 - Billet Spherical Dogbone Mount Performance Pack - Includes all of the 034Motorsport performance products associated with the dogbone mount in one comprehensive and convenient package. - 034Motorsport - Audi

Includes all of the 034Motorsport performance products associated with the dogbone mount in one comprehensive and convenient package. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4141484
Mfg#:
034-509-1043
In Stock
$475.00 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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