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Audi C8 RS 6 Quattro 4.0T

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Audi C8 RS 6 Quattro 4.0T Performance Engine Parts

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Stage 2.5 Boost-Controlled Water/Meth Injection Kit

ES#2855201 - SN0210 - Stage 2.5 Boost-Controlled Water/Meth Injection Kit - Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. - SnowPerformance - Audi BMW Volkswagen MINI

Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. Gauge Pod controller, for optimum control even from the driver's seat!

Brand:
SnowPerformance - Corporate Logo
ES#:
2855201
Mfg#:
SN0210
In Stock
$583.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

C8 RS6 / RS7 "Kohlefaser Luft-Technik" Intake System

ES#4708514 - 026620la01KT - C8 RS6 / RS7 "Kohlefaser Luft-Technik" Intake System - Featuring dual cone filters, carbon fiber shroud and carbon fiber turbo inlets for superior air flow and aesthetics. - ECS - Audi

Featuring dual cone filters, carbon fiber shroud and carbon fiber turbo inlets for superior air flow and aesthetics. 10X Entries Into Our F80 M3 Sweepstakes
For 2021 & 2022 MY Vehicles Only

Brand:
ECS - Corporate Logo
ES#:
4708514
Mfg#:
026620LA01KT
Back Ordered
Auto Notify
ON SALE! SAVE 25%
$1976.99

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

$1482.74 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

APR Carbon Fiber Intake System

ES#4608728 - CI100050 - APR Carbon Fiber Intake System - +47 AWHP & +38 AWFT-LBS at the wheels measured over stock! - APR - Audi

+47 AWHP & +38 AWFT-LBS at the wheels measured over stock! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4608728
Mfg#:
CI100050
In Stock
11% off MSRP

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

$1968.99

This product was last offered at the strikethrough price on
08-28-2026

$1749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Universal Turner Baffled Oil Catch Can Kit - 10oz

ES#3458268 - 022798tms01-09KT - Complete Universal Turner Baffled Oil Catch Can Kit - 10oz - A 4 chamber, baffled oil catch can complete with a universal mount and drain system! - Turner Motorsport - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

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#:
3458268
Mfg#:
022798TMS01-09KT
In Stock
ON SALE! SAVE 15%
$305.99

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

$260.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

340lph High Flow In-Tank Fuel Pump (e85 Compatible)

ES#3691421 - 50-1200 - 340lph High Flow In-Tank Fuel Pump (e85 Compatible) - AEM?s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels - AEM Electronics - Audi Volkswagen

AEM?s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application

Brand:
AEM Electronics - Corporate Logo
ES#:
3691421
Mfg#:
50-1200
In Stock
11% off MSRP

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

$175.95

This product was last offered at the strikethrough price on
08-28-2026

$155.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Res-X Resonator Delete - C8 RS6/RS7 4.0TT

ES#4674690 - 034-105-7055 - Res-X Resonator Delete - C8 RS6/RS7 4.0TT - Unleash a throaty growl under hard acceleration! - 034Motorsport - Audi

Unleash a throaty growl under hard acceleration! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4674690
Mfg#:
034-105-7055
Ships in 2 Business Days
ON SALE! SAVE 14%
$1379.00

This product was last offered at the strikethrough price on
08-17-2026

$1179.05 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

C8 RS6 / RS7 Race Cat-Back Exhaust System

ES#4841927 - 044165la07KT - C8 RS6 / RS7 Race Cat-Back Exhaust System - Pure sound, unrestricted flow, and maximum performance! The ULTIMATE exhaust upgrade for your 4.0T! - ECS - Audi

Pure sound, unrestricted flow, and maximum performance! The ULTIMATE exhaust upgrade for your 4.0T! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4841927
Mfg#:
044165LA07KT
In Stock
ON SALE! SAVE 10%
$2288.99

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

$2060.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal ECS Tuning Baffled Oil Catch Can Kit (8oz)

ES#4040043 - 003779ecs05-01KT - Universal ECS Tuning Baffled Oil Catch Can Kit (8oz) - Capture harmful oil vapors and keep your intake tract clean. Includes our universal catch can, brackets, fittings and drain kit. Everything you need except plumbing to your engine. - ECS - Audi Volkswagen

Capture harmful oil vapors and keep your intake tract clean. Includes our universal catch can, brackets, fittings and drain kit. Everything you need except plumbing to your engine. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4040043
Mfg#:
003779ECS05-01KT
In Stock
ON SALE! SAVE 15%
$417.99

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

$355.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High-Perfomance Audi RS6/RS7 Intercooler System - Black

ES#4619752 - 8194B - High-Perfomance Audi RS6/RS7 Intercooler System - Black - Eliminates Heat Soak and Lowers Intake Air Temperatures (IATs) for Maximum Performance in High-Performance and Race Conditions. - CSF - Audi

Eliminates Heat Soak and Lowers Intake Air Temperatures (IATs) for Maximum Performance in High-Performance and Race Conditions. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
4619752
Mfg#:
8194B
Ships on Sep 28, 2026
$4195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Intake System - Matte

ES#4491503 - EVE-C8RS6-CFM - Carbon Fiber Intake System - Matte - Increased flow rate with smooth airflow - Eventuri - Audi

Increased flow rate with smooth airflow

Brand:
Eventuri - Corporate Logo
ES#:
4491503
Mfg#:
EVE-C8RS6-CFM
Ships in 2 Business Days
$2995.00 USD
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

Carbon Fiber Intake System - Gloss

ES#4389544 - EVE-C8RS6-CF-INT - Carbon Fiber Intake System - Gloss - Increased flow rate with smooth airflow - Eventuri - Audi

Increased flow rate with smooth airflow

Brand:
Eventuri - Corporate Logo
ES#:
4389544
Mfg#:
EVE-C8RS6-CF-INT
Ships in 3 Business Days
$2995.00 USD
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

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

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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