Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi C8 RS 6 Quattro 4.0T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi C8 RS 6 Quattro 4.0T
Your Vehicle Audi C8 RS 6 Quattro 4.0T
Change Clear

Audi C8 RS 6 Quattro 4.0T Performance Parts & Upgrades

Sort By
Filter By
Return to Top

Wheel Spacer & Bolt Kit - 15mm With Black Ball Seat Bolts

ES#2748286 - 002411ECS03AKT3 - Wheel Spacer & Bolt Kit - 15mm With Black Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748286
Mfg#:
002411ECS03AKT3
In Stock
ON SALE! SAVE 25%
$172.99

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

$129.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 12.5mm With Black Ball Seat Bolts

ES#2748284 - 002411ECS02AKT6 - Wheel Spacer & Bolt Kit - 12.5mm With Black Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748284
Mfg#:
002411ECS02AKT6
In Stock
ON SALE! SAVE 25%
$224.99

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

$168.70 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
08-29-2026

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

Billet Aluminum Transmission Mount Insert

ES#3176060 - 034-509-4053 - Billet Aluminum Transmission Mount Insert - This billet aluminum insert is designed to fill the large void in the factory transmission mount - 034Motorsport - Audi

This billet aluminum insert is designed to fill the large void in the factory transmission mount 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3176060
Mfg#:
034-509-4053
In Stock
ON SALE! SAVE 14%
$91.00

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

$77.81 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 10mm With Black Ball Seat Bolts

ES#2748282 - 002411ECS02AKT5 - Wheel Spacer & Bolt Kit - 10mm With Black Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts
Recommended only for use on rear wheels due to front hub clearance

Brand:
ECS - Corporate Logo
ES#:
2748282
Mfg#:
002411ECS02AKT5
In Stock
ON SALE! SAVE 15%
$173.99

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

$147.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Adjustable Lowering Link Kit

ES#4505268 - 034-401-Z072 - Billet Aluminum Adjustable Lowering Link Kit - Lowers up to 50MM Front and Rear - 034Motorsport - Audi

Lowers up to 50MM Front and Rear 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with air suspension

Brand:
034Motorsport - Corporate Logo
ES#:
4505268
Mfg#:
034-401-Z072
In Stock
ON SALE! SAVE 10%
$145.00

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

$130.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 15mm With Black Conical Seat Bolts

ES#2748287 - 002411ECS03AKT1 - Wheel Spacer & Bolt Kit - 15mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels 10X Entries Into Our F80 M3 Sweepstakes
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748287
Mfg#:
002411ECS03AKT1
In Stock
ON SALE! SAVE 25%
$167.99

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

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 12.5mm (Pair)

ES#2603074 - 002411ECS02A13KT - ECS Wheel Spacers - 12.5mm (Pair) - Improve the look of your vehicle with spacers - ECS - Audi BMW Porsche

Improve the look of your vehicle with spacers 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2603074
Mfg#:
002411ECS02A13KT
In Stock
ON SALE! SAVE 25%
$131.99

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

$98.99 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

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

Density Line Front Sway Bar End Links - Pair

ES#4841517 - 034-402-4039 - Density Line Front Sway Bar End Links - Pair - Replace your flimsy, imprecise OEM sway bar end links with these performance-engineered units! - 034Motorsport - Audi Porsche

Replace your flimsy, imprecise OEM sway bar end links with these performance-engineered units! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4841517
Mfg#:
034-402-4039
In Stock
ON SALE! SAVE 14%
$112.00

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

$95.76 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

ECS Wheel Spacers - 15mm (Pair)

ES#2603079 - 002411ECS03A15KT - ECS Wheel Spacers - 15mm (Pair) - Improve the look of your vehicle with spacers - ECS - Audi BMW Porsche

Improve the look of your vehicle with spacers 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2603079
Mfg#:
002411ECS03A15KT
In Stock
ON SALE! SAVE 25%
$136.99

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

$102.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings