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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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Audi TTRS/RS3 2.5L Gen3 Flex Fuel Kit - Bluetooth & 0-5V Analyzer

ES#4024158 - Audi25G3FFKIT05V - Audi TTRS/RS3 2.5L Gen3 Flex Fuel Kit - Bluetooth & 0-5V Analyzer - Complete plug and play kit to install a Bluetooth ethanol sensor in your Audi 2.5T - Includes Fuel lines with ethanol sensor and Bluetooth & 0-5V Analyzer - Fuel-It! - Audi

Complete plug and play kit to install a Bluetooth ethanol sensor in your Audi 2.5T - Includes Fuel lines with ethanol sensor and Bluetooth & 0-5V Analyzer

Brand:
Fuel-It! - Corporate Logo
ES#:
4024158
Mfg#:
AUDI25G3FFKIT05V
Ships on Aug 5, 2026
$469.99 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 5, 2026
$469.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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

APR Turbocharger Inlet System (Cast Inlet Only)

ES#3613171 - CI100038C - APR Turbocharger Inlet System (Cast Inlet Only) - APR's cast inlet pipe is huge and on its own it achieves a staggering 710 CFM with the stock turbocharger adaptor, a 45% improvement over stock! - APR - Audi

APR's cast inlet pipe is huge and on its own it achieves a staggering 710 CFM with the stock turbocharger adaptor, a 45% improvement over stock! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3613171
Mfg#:
CI100038C
Ships in 6 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.

$1012.99

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

$899.99 USD
Free Shipping
on orders $49 and up

Water/Methanol Nozzle - 8GPH

ES#4362075 - SN0-N0800 - Water/Methanol Nozzle - 8GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen MINI

Snow Performance Hyper-Sonic water-methanol injection nozzle

Brand:
SnowPerformance - Corporate Logo
ES#:
4362075
Mfg#:
SN0-N0800
In Stock
$31.99 USD
Free Shipping
on orders $49 and up

BMS Blow Off Valve Spacer

ES#3998874 - MK7-BOV-SPR - BMS Blow Off Valve Spacer - Converts factory diverter valve into a blow-off valve - Burger Motorsports - Audi Volkswagen

Converts factory diverter valve into a blow-off valve

Brand:
Burger Motorsports - Corporate Logo
ES#:
3998874
Mfg#:
MK7-BOV-SPR
Ships in 1 Business Day
$99.00 USD
Free Shipping
on orders $49 and up
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 6 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.

$489.99

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

$434.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Exhaust Wrap - Lava

ES#4028212 - TS-EW-L - Universal Exhaust Wrap - Lava - Increase power by containing exhaust heat - Lava - Torque Solution - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase power by containing exhaust heat - Lava

Brand:
Torque Solution - Corporate Logo
ES#:
4028212
Mfg#:
TS-EW-L
In Stock
Starting at $29.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (Direct Injection) - Braided Line

Brings true 2D mapped water-methanol injection delivery to your DI (direct fuel injected) and forced induction vehicle

Brand:
SnowPerformance - Corporate Logo
ES#:
3557781
Mfg#:
SN0-320-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JB4 OBDII Cable - 2 Position (Cable Only)

ES#4714891 - JB4-OBDII-CA - JB4 OBDII Cable - 2 Position (Cable Only) - Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714891
Mfg#:
JB4-OBDII-CA
In Stock
$25.00 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

Replacement Universal Oil Cooler - 19 Row

ES#2855412 - MM0C-19 - Replacement 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

Brand:
Mishimoto - Corporate Logo
ES#:
2855412
Mfg#:
MM0C-19
In Stock
$218.99

This product was last offered at the strikethrough price on
05-06-2026

$196.99 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

Universal Oil Cooler Black - 10 Row

ES#2764962 - MM0C10BK - Universal Oil Cooler Black - 10 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines

Brand:
Mishimoto - Corporate Logo
ES#:
2764962
Mfg#:
MM0C10BK
In Stock
$126.99 USD
Free Shipping
on orders $49 and up
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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