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Audi D4 S8 Quattro 4.0T

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Audi D4 S8 Quattro 4.0T Performance Parts & Upgrades

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Air Suspension Lowering Link Kit - Stage 2

ES#4445648 - 012740LA02 - Air Suspension Lowering Link Kit - Stage 2 - Stage 2: 26mm / 1 (drop) - The only parts you need to lower your C7 or D4! - ECS - Audi

Stage 2: 26mm / 1” (drop) - The only parts you need to lower your C7 or D4! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4445648
Mfg#:
012740LA02
In Stock
ON SALE! SAVE 25%
$118.99

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

$89.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Bushing Differential Mount Insert Kit

ES#2992520 - 008288ECS02 - Rear Bushing Differential Mount Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi Porsche

Decrease differential slop for better drivetrain response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992520
Mfg#:
008288ECS02
In Stock
ON SALE! SAVE 25%
$115.99

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

$86.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Motorsport Tracksport Engine Mount Pair

ES#4730379 - 034-509-0083 - Motorsport Tracksport Engine Mount Pair - from billet aluminum and high-durometer Density Line rubber for reduced drivetrain slop decreased engine movement under load - 034Motorsport - Audi

from billet aluminum and high-durometer Density Line rubber for reduced drivetrain slop decreased engine movement under load affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4730379
Mfg#:
034-509-0083
Ships in 2 Business Days
$611.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Stud Conversion Kit

ES#2804052 - 001467ECS01KT1 - Ball Seat Stud Conversion Kit - Make wheel changes faster and easier - ECS - Audi Volkswagen

Make wheel changes faster and easier affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with ball seat wheels and up to 20mm spacers only

Brand:
ECS - Corporate Logo
ES#:
2804052
Mfg#:
001467ECS01KT1
In Stock
ON SALE!
$201.99

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

$191.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

4.0T Stage 1 Turbocharger Upgrade

ES#4685288 - CTS-TR-0410 - 4.0T Stage 1 Turbocharger Upgrade - Features a larger compressor wheel for a power capability of 780+ hp! - CTS - Audi

Features a larger compressor wheel for a power capability of 780+ hp! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required after install

Brand:
CTS - Corporate Logo
ES#:
4685288
Mfg#:
CTS-TR-0410
Ships in 8 Business Days
$1799.99 USD
Free Shipping

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

ES#2603073 - 002411ECS02AKT2 - Wheel Spacer & Bolt Kit - 10mm 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OE wheels, or wheels that use OE ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2603073
Mfg#:
002411ECS02AKT2
Back Ordered
Auto Notify
ON SALE!
$140.99

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

$133.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Super Core RS7 Turbo Set

ES#4316817 - CTS-RS7-SUPERCOR - Super Core RS7 Turbo Set - Upgrade your 4.0T turbos! - CTS - Audi

Upgrade your 4.0T turbos! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required after install

Brand:
CTS - Corporate Logo
ES#:
4316817
Mfg#:
CTS-RS7-SUPERCOR
Back Ordered
$1399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 5mm With Black Ball Seat Bolts

ES#2748278 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 5mm With Black Ball Seat Bolts - Get the right size wheel spacer for your Audi - ECS - Audi

Get the right size wheel spacer for your Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748278
Mfg#:
6-ECS-015
Ships in 10 Business Days
Auto Notify
ON SALE! SAVE 25%
$140.99

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

$105.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TTE840 C7 4.0TFSI Upgraded Turbochargers

ES#4630705 - TTE10044 - TTE840 C7 4.0TFSI Upgraded Turbochargers - Designed to put out over 750HP! - The Turbo Engineers - Audi

Designed to put out over 750HP! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required after install

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4630705
Mfg#:
TTE10044
Ships on Jul 13, 2026
$6399.99 USD
This product is lifetime replacement eligible Lifetime Replacement

EMD Auto 15mm Wheel Spacers - Pair (With Bolts)

ES#4042997 - EMD-SPACER15665B - EMD Auto 15mm Wheel Spacers - Pair (With Bolts) - Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore - Emmanuele Design - Audi

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4042997
Mfg#:
EMD-SPACER15665B
Ships on Aug 19, 2026
Auto Notify
$110.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Conical Seat Stud Conversion Kit

ES#2804053 - 001467ECS01KT2 - Conical Seat Stud Conversion Kit - Make wheel changes faster and easier - ECS - Audi Volkswagen

Make wheel changes faster and easier affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with conical seat wheels and up to 20mm spacers only

Brand:
ECS - Corporate Logo
ES#:
2804053
Mfg#:
001467ECS01KT2
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$201.99

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

$181.79 USD
Free Shipping
This product is lifetime replacement eligible Partial 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3618566
Mfg#:
034-604-7005
In Stock
$115.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TTE RS C7 4.0TFSI Race Upgraded Turbochargers

ES#4630657 - TTE10359 - TTE RS C7 4.0TFSI Race Upgraded Turbochargers - Designed to put out over 700HP! - The Turbo Engineers - Audi

Designed to put out over 700HP! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required after install

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4630657
Mfg#:
TTE10359
Ships on Jul 13, 2026
$5599.00 USD
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Wheel Spacer Pair - 10mm

ES#4020172 - 034-604-7006 - 034Motorsport Wheel Spacer Pair - 10mm - Designed to fit most Audi & Volkswagen vehicles with a 66.5mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi

Designed to fit most Audi & Volkswagen vehicles with a 66.5mm center bore and 5x112mm wheel bolt patterns. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4020172
Mfg#:
034-604-7006
In Stock
$98.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M14 Wheel Stud Kit - Black - Set Of 20

ES#4487785 - VAG-STUD-KIT-20 - M14 Wheel Stud Kit - Black - Set Of 20 - M14x1.5x75mm with conical nuts - Vargas Turbo Technologies - Audi Volkswagen

M14x1.5x75mm with conical nuts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4487785
Mfg#:
VAG-STUD-KIT-20
Ships in 1-2 days
$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 5mm With Black Conical Seat Bolts

ES#2748279 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 5mm 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748279
Mfg#:
6-ECS-015
Ships in 10 Business Days
Auto Notify
ON SALE! SAVE 25%
$140.99

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

$105.74 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.

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