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Audi C8 RS 6 Quattro 4.0T

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Audi C8 RS 6 Quattro 4.0T Performance Parts & Upgrades

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C8 RS6 / RS7 Carbon Fiber Engine Cover

ES#4845291 - 056445LA01 - C8 RS6 / RS7 Carbon Fiber Engine Cover - Add a flash of style and elegance under your hood! - ECS - Audi

Add a flash of style and elegance under your hood! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4845291
Mfg#:
056445LA01
In Stock
ON SALE! SAVE 20%
$604.99

This product was last offered at the strikethrough price on
05-02-2026

$483.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 5mm (Pair)

ES#2167469 - 002411ECS01A05Kt - ECS Wheel Spacers - 5mm (Pair) - Get the right size wheel spacer for your vehicle - ECS - Audi BMW Porsche

Get the right size wheel spacer for your vehicle 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2167469
Mfg#:
002411ECS01A05KT
In Stock
ON SALE! SAVE 25%
$137.99

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

$103.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Wheel Spacer Pair - 15mm

ES#3618566 - 034-604-7005 - 034Motorsport Wheel Spacer Pair - 15mm - Designed to fit most Audi & Volkswagen vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi

Designed to fit most Audi & Volkswagen vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3618566
Mfg#:
034-604-7005
In Stock
ON SALE! SAVE 14%
$115.00

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

$98.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 20mm (Pair)

ES#2167462 - 002411ECS03A20KT - ECS Wheel Spacers - 20mm (Pair) - Add some style with these wheel spacers - ECS - Audi BMW Porsche

Add some style with these wheel spacers 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2167462
Mfg#:
002411ECS03A20KT
In Stock
ON SALE! SAVE 15%
$140.99

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

$119.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2603081 - 002411ECS03AKT2 - Wheel Spacer & Bolt Kit - 15mm With 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#:
2603081
Mfg#:
002411ECS03AKT2
In Stock
ON SALE! SAVE 25%
$171.99

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

$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Intercooler Upgrade - Black Thermal Dispersion

ES#4615846 - UH025-ICA - Unitronic Intercooler Upgrade - Black Thermal Dispersion - The most efficient fin in the high-performance industry, with performance similar to PWRs Formula-1 grade race intercooler cores. - Unitronic - Audi

The most efficient fin in the high-performance industry, with performance similar to PWR’s Formula-1 grade race intercooler cores.

Brand:
Unitronic - Corporate Logo
ES#:
4615846
Mfg#:
UH025-ICA
Ships in 5 Business Days
$4195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Audi 4L V8 TFSI BOV Kompact Dual Port VR30

Plug and play diverter valve upgrade with dual port design

Brand:
TurboSmart - Corporate Logo
ES#:
5341446
Mfg#:
TS-0223-1064
Ships in 1 Business Day
10% off MSRP

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

$659.99

This product was last offered at the strikethrough price on
08-29-2026

$593.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Plus ECU Upgrade - 4.0T EA825 V8 (RS)

ES#4405006 - ECU40TEA825RSAPR - APR Plus ECU Upgrade - 4.0T EA825 V8 (RS) - Max gains of +112 AWHP and +145 AWFT-LBS and a Limited Powertrain Warranty - APR - Audi

Max gains of +112 AWHP and +145 AWFT-LBS and a Limited Powertrain Warranty Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For vehicles up through the 2023 model year only.

Brand:
APR - Corporate Logo
ES#:
4405006
Mfg#:
ECU40TEA825RSAPR
In Stock
$3999.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Yellowstuff Brake Pads

ES#4871800 - DP42516R - Rear Yellowstuff Brake Pads - EBC's premium sport street pad that offers high friction levels and heat fade resistance - EBC - Audi

EBC's premium sport street pad that offers high friction levels and heat fade resistance 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
4871800
Mfg#:
DP42516R
In Stock
5% off MSRP

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

$261.99

This product was last offered at the strikethrough price on
08-29-2026

$248.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Locking Wheel Bolt Kit

ES#2795753 - 003901ECS45BB - Ball Seat Locking Wheel Bolt Kit - Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x45mm - ECS - Audi Volkswagen

Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x45mm 10X Entries Into Our F80 M3 Sweepstakes
For use with 15-17.5mm spacers

Brand:
ECS - Corporate Logo
ES#:
2795753
Mfg#:
003901ECS45BB
In Stock
ON SALE! SAVE 25%
$82.99

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

$62.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Locking Wheel Bolt Kit

ES#4745663 - 003901ECS40BB - Ball Seat Locking Wheel Bolt Kit - Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x40mm - ECS - Audi Volkswagen

Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x40mm 10X Entries Into Our F80 M3 Sweepstakes
For use with 10-12.5mm spacers

Brand:
ECS - Corporate Logo
ES#:
4745663
Mfg#:
003901ECS40BB
In Stock
ON SALE! SAVE 25%
$72.99

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

$54.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Lowering Link Kit

ES#4659664 - IESUCY1 - IE Lowering Link Kit - Fine-tune ride height without removing them between adjustments - Integrated Engineering - Audi

Fine-tune ride height without removing them between adjustments

Brand:
Integrated Engineering - Corporate Logo
ES#:
4659664
Mfg#:
IESUCY1
In Stock
$229.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

15mm Wheel Spacers - Black (Pair)

ES#3476433 - 021460TMS03-04 - 15mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476433
Mfg#:
021460TMS03-04
In Stock
ON SALE! SAVE 15%
$151.99

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

$129.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#4723527 - 002411ECS03AKBKT - 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#:
4723527
Mfg#:
002411ECS03AKBKT
In Stock
ON SALE! SAVE 25%
$190.99

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

$143.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Intake System - Gloss Carbon Fiber

ES#4608985 - UH031-INA-54 - Carbon Fiber Intake System - Gloss Carbon Fiber - Alleviate pre-compressor restrictions with the factory system, netting up to 99.8% more flow than stock. - Unitronic - Audi

Alleviate pre-compressor restrictions with the factory system, netting up to 99.8% more flow than stock. For use with OEM style turbos.

Brand:
Unitronic - Corporate Logo
ES#:
4608985
Mfg#:
UH031-INA-54
Ships in 5 Business Days
$3549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Intake System - Matte Carbon Fiber - OEM Turbos

ES#4608986 - UH032-INA-54 - Carbon Fiber Intake System - Matte Carbon Fiber - OEM Turbos - Alleviate pre-compressor restrictions with the factory system, netting up to 99.8% more flow than stock. - Unitronic - Audi

Alleviate pre-compressor restrictions with the factory system, netting up to 99.8% more flow than stock. For use with OEM style turbos.

Brand:
Unitronic - Corporate Logo
ES#:
4608986
Mfg#:
UH032-INA-54
Ships in 5 Business Days
$3549.99 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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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