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Audi RS3 8V (2018+) 2.5T

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

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Unitronic DSG Performance Software - Stage 2 - With UniCONNECT+ Cable

ES#4369765 - 25TFSIEVO-DSG-2U - Unitronic DSG Performance Software - Stage 2 - With UniCONNECT+ Cable - Up to 70% quicker shifts, launch control limit removed, increased clamping pressure, and more! - Unitronic - Audi

Up to 70% quicker shifts, launch control limit removed, increased clamping pressure, and more! This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4369765
Mfg#:
25TFSIEVO-DSG-2U
In Stock
$1014.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Mount Insert Kit (1 Insert) - Front Position

ES#3432408 - 019797ecs01-01KT - Rear Differential Mount Insert Kit (1 Insert) - Front Position - Launch harder and improve your 0-60 times with our Rear Diff. Mount Insert Kit - ECS - Audi Volkswagen

Launch harder and improve your 0-60 times with our Rear Diff. Mount Insert Kit 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3432408
Mfg#:
019797ECS01-01KT
In Stock
ON SALE! SAVE 25%
$63.99

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

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR DQ500 DSG / S Tronic Transmission Catch Can And Breather System

ES#4007208 - MS100187 - APR DQ500 DSG / S Tronic Transmission Catch Can And Breather System - Collects the expanded fluids and allows for venting of trapped gases, preventing transmission fluid from spraying all over engine bay - APR - Audi

Collects the expanded fluids and allows for venting of trapped gases, preventing transmission fluid from spraying all over engine bay Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4007208
Mfg#:
MS100187
Ships in 2 Business Days
ON SALE! SAVE 10%
$369.99

This product was last offered at the strikethrough price on
07-31-2026

$332.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Connecting Rod Bearing - Yellow - Priced Each

ES#3231972 - 07K105591JGLB - Lower Connecting Rod Bearing - Yellow - Priced Each - Fits lower portions of the connecting rod with yellow markings - Genuine Volkswagen Audi - Audi

Fits lower portions of the connecting rod with yellow markings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3231972
Mfg#:
07K105591JGLB
Ships in 7 Business Days
7% off MSRP

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

$105.00

This product was last offered at the strikethrough price on
08-06-2026

$97.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi 2.5TFSI EVO 4 Cold Air Intake System

ES#4668834 - RS3I-FL4 - Audi 2.5TFSI EVO 4 Cold Air Intake System - Specially designed air box prevents heat soak, ca be installed enclosed or open. - LEYO - Audi

Specially designed air box prevents heat soak, ca be installed enclosed or open.

Brand:
LEYO - Corporate Logo
ES#:
4668834
Mfg#:
RS3I-FL4
Ships on Aug 24, 2026
$469.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

X34 4" Carbon Fiber Closed Top Cold Air Intake System

ES#4304605 - 034-108-1041 - X34 4" Carbon Fiber Closed Top Cold Air Intake System - Horsepower and torque gains throughout the powerband, with peak gains of up to 21 crank horsepower and 16 ft-lbs of torque on stock turbo tunes with 4 inlets. - 034Motorsport - Audi

Horsepower and torque gains throughout the powerband, with peak gains of up to 21 crank horsepower and 16 ft-lbs of torque on stock turbo tunes with 4” inlets. For 2019+ models you must purchase this adapter kit: ES4146991

Brand:
034Motorsport - Corporate Logo
ES#:
4304605
Mfg#:
034-108-1041
Ships in 2 Business Days
$939.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AP3 OBD2 UNIVERSAL CABLE

ES#4415272 - AP3-OBDII-CABLE- - AP3 OBD2 UNIVERSAL CABLE - Tidy up your cabin with the COBB OBDII Universal Cable! - CobbTuning - Audi BMW Volkswagen Porsche

Tidy up your cabin with the COBB OBDII Universal Cable!

Brand:
CobbTuning - Corporate Logo
ES#:
4415272
Mfg#:
AP3-OBDII-CABLE-
In Stock
$85.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8V Audi RS3 2.5TFSI EVO Dynamic+ Performance Software Package

ES#4424916 - 034-103-281 - 8V Audi RS3 2.5TFSI EVO Dynamic+ Performance Software Package - Unleash up to 585HP/521TQ by transforming your Audi 2.5T DAZA with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Audi

Unleash up to 585HP/521TQ by transforming your Audi 2.5T DAZA with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!

Brand:
034Motorsport - Corporate Logo
ES#:
4424916
Mfg#:
034-103-281
Ships in 1 Business Day
Starting at $180.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Unitronic Performance Software - Flashed @ ECS

ES#4376645 - 25TFSIEVO - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4376645
Mfg#:
25TFSIEVO
In Stock
Starting at $900.00 USD
Customize
This product is lifetime replacement eligible Lifetime Replacement

Audi RS3 / 8S TTRS 2.5T Silicone 4.0" Turbo Inlet Adapter

ES#4142042 - 006669LA01 - Audi RS3 / 8S TTRS 2.5T Silicone 4.0" Turbo Inlet Adapter - Easily adapt your ECS Tuning Kohlefaser Luft-Technik Intake to 4.0" aftermarket OE location turbo inlet pipes! - ECS - Audi

Easily adapt your ECS Tuning Kohlefaser Luft-Technik Intake to 4.0" aftermarket OE location turbo inlet pipes! 10X Entries For Our 25th Anniversary Sweepstakes!

For use with ECS Tuning Kohlefaser Luft-Technik Intake System

Brand:
ECS - Corporate Logo
ES#:
4142042
Mfg#:
006669LA01
Ships on Sep 29, 2026
Auto Notify
ON SALE! SAVE 25%
$73.99

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

$55.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector - Priced Each

ES#3991785 - 07K133551B - Fuel Injector - Priced Each - Keep your engine running smooth - Includes o-rings - Genuine Volkswagen Audi - Audi

Keep your engine running smooth - Includes o-rings Fits up to production date 8/12/2019

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3991785
Mfg#:
07K133551B
In Stock
Limited Qty Sale
$240.99

This product was last offered at the strikethrough price on
02-26-2026

$214.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic DSG Performance Software - Stage 2

ES#4370417 - 25TFSIEVO-DSG-2 - Unitronic DSG Performance Software - Stage 2 - Up to 70% quicker shifts, launch control limit removed, increased clamping pressure, and more! - Unitronic - Audi

Up to 70% quicker shifts, launch control limit removed, increased clamping pressure, and more! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4370417
Mfg#:
25TFSIEVO-DSG-2
In Stock
$850.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.5T Evo 4 Inch Air Intake Pipe (OEM Airbox Connect)

ES#4419997 - CTS-IT-256 - 2.5T Evo 4 Inch Air Intake Pipe (OEM Airbox Connect) - This 4 inch air inlet pipe will allow you to keep the factory airbox while providing a full 4 inch intake tract. - CTS - Audi

This 4 inch air inlet pipe will allow you to keep the factory airbox while providing a full 4 inch intake tract. For 2018+ models
CTS Turbo 4" Turbo Inlet Pipe Required for install

Brand:
CTS - Corporate Logo
ES#:
4419997
Mfg#:
CTS-IT-256
Ships in 7 Business Days
$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Spherical Pendulum Mount Upgrade

ES#3618817 - MS100181 - APR Spherical Pendulum Mount Upgrade - Stiffens the driveline to improve shift quality and power transition - For your 7-Speed S-Tronic (DQ500) - APR - Audi Volkswagen

Stiffens the driveline to improve shift quality and power transition - For your 7-Speed S-Tronic (DQ500) Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3618817
Mfg#:
MS100181
Ships in 5 Business Days
ON SALE! SAVE 10%
$434.99

This product was last offered at the strikethrough price on
07-31-2026

$391.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Boost Hose Kit - Black Hoses

ES#3603515 - FMKT024 - Silicone Boost Hose Kit - Black Hoses - Set of five boost/intercooler hoses to replace the rubber hoses in the boost system - Forge - Audi

Set of five boost/intercooler hoses to replace the rubber hoses in the boost system

Brand:
Forge - Corporate Logo
ES#:
3603515
Mfg#:
FMKT024
Back Ordered
Auto Notify
$260.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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