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Audi 4M SQ8 Quattro 4.0T Performance Parts & Upgrades

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Rennline 12mm Wheel Spacers - Black (Pair)

ES#4755583 - LS23.12MM - Rennline 12mm Wheel Spacers - Black (Pair) - Improve the look of your vehicle with spacers - Rennline - Audi Porsche

Improve the look of your vehicle with spacers

Brand:
Rennline - Corporate Logo
ES#:
4755583
Mfg#:
LS23.12MM
In Stock
$136.00 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#4813395 - 002411ECS03-HRKT - Wheel Spacer & Bolt Kit - 15mm With Black Ball 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

Brand:
ECS - Corporate Logo
ES#:
4813395
Mfg#:
002411ECS03-HRKT
Ships in 1 Business Day
ON SALE! SAVE 12%
$255.99

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

$225.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M14 Titanium Wheel Stud Kit - Black - Set Of 20

ES#4487742 - TISTUD20145BLK - M14 Titanium Wheel Stud Kit - Black - Set Of 20 - M14x1.5x75mm with conical nuts - Vargas Turbo Technologies - Audi Volkswagen

M14x1.5x75mm with conical nuts 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4487742
Mfg#:
TISTUD20145BLK
Ships in 10 Business Days
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Front Brake Service Kit - 4M Audi SQ7/SQ8 (400x38)

ES#5386489 - 4M0615301BMKT4 - Performance Front Brake Service Kit - 4M Audi SQ7/SQ8 (400x38) - Featuring 034 Motorsports Upgraded 2-Piece Rotors, EBC YellowStuff pads, and wear sensors - Assembled By ECS - Audi

Featuring 034 Motorsports Upgraded 2-Piece Rotors, EBC YellowStuff pads, and wear sensors 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5386489
Mfg#:
4M0615301BMKT4
In Stock
$1838.99

This product was last offered at the strikethrough price on
05-07-2026

$1836.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Disc Brake Anti-Rattle Clip

ES#3457712 - 4M0615269B - Disc Brake Anti-Rattle Clip - Used to provide a smooth channel for disc brake pads to ride in and to reduce vibration and rattling. - Genuine Volkswagen Audi - Audi

Used to provide a smooth channel for disc brake pads to ride in and to reduce vibration and rattling.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3457712
Mfg#:
4M0615269B
In Stock
9% off MSRP

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

$51.67

This product was last offered at the strikethrough price on
09-30-2026

$47.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034 Motorsport 12.5mm Wheel Spacer - Pair

ES#4751517 - 034-604-7021 - 034 Motorsport 12.5mm Wheel Spacer - Pair - 12.5mm Wheel Spacer Pair is designed to fit most Audi & BMW vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi

12.5mm Wheel Spacer Pair is designed to fit most Audi & BMW vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4751517
Mfg#:
034-604-7021
Back Ordered
$106.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Downpipes With High Flow Cats

ES#4419989 - EXH-DP-0048-CAT - Downpipes With High Flow Cats - This is the best bolt-on modification that will increase exhaust flow, improve turbocharger spool time and drastically change the sound of your sport SUV. - CTS - Audi

This is the best bolt-on modification that will increase exhaust flow, improve turbocharger spool time and drastically change the sound of your sport SUV. Requires Stage 2 ECU Remap

Brand:
CTS - Corporate Logo
ES#:
4419989
Mfg#:
EXH-DP-0048-CAT
Special Order: No Guaranteed ETA
ON SALE! SAVE 15%
$1899.99

This product was last offered at the strikethrough price on
09-29-2026

$1614.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 12.5mm With Conical Seat Bolts

ES#2603078 - 002411ECS02AKT4 - Wheel Spacer & Bolt Kit - 12.5mm With 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#:
2603078
Mfg#:
002411ECS02AKT4
In Stock
ON SALE! SAVE 25%
$184.99

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

$138.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TGK Motorsport Lowering Links

ES#4475846 - TGK-SQ5-LOWLNK - TGK Motorsport Lowering Links - Lowers you vehicle up to 2 inches using the factory air suspension! - TGK Motorsport - Audi

Lowers you vehicle up to 2 inches using the factory air suspension! For vehicles with air suspension only

Brand:
TGK Motorsport - Corporate Logo
ES#:
4475846
Mfg#:
TGK-SQ5-LOWLNK
Ships in 2 Business Days
$148.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sound Enhancing Resonator Kit

ES#4136103 - 4M0071904 - Sound Enhancing Resonator Kit - It's the symphony of high-performance Audi vehicles across the globe. - Genuine Volkswagen Audi - Audi

It's the symphony of high-performance Audi vehicles across the globe.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4136103
Mfg#:
4M0071904
In Stock
4% off MSRP

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

$1500.99

This product was last offered at the strikethrough price on
09-30-2026

$1437.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2568311 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 5mm With 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#:
2568311
Mfg#:
6-ECS-015
In Stock
ON SALE! SAVE 25%
$156.99

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

$117.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exact-Fit Stainless Steel Brake Line Set - Front & Rear

ES#4872199 - 045064laKT - Exact-Fit Stainless Steel Brake Line Set - Front & Rear - DOT-compliant set of front and rear stainless steel brake lines for enhanced pedal feel and improved braking performance. - ECS - Audi

DOT-compliant set of front and rear stainless steel brake lines for enhanced pedal feel and improved braking performance. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4872199
Mfg#:
045064LAKT
In Stock
ON SALE! SAVE 10%
$305.99

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

$275.39 USD
Free Shipping

APR ECU Upgrade - 4.0T EA825 V8 (SQ)

ES#4418358 - ECU-40T-EA825-SQ - APR ECU Upgrade - 4.0T EA825 V8 (SQ) - Max gains of +191-268 AWHP and +163-262 AWFT-LBS depending on octane - APR - Audi

Max gains of +191-268 AWHP and +163-262 AWFT-LBS depending on octane Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4418358
Mfg#:
ECU-40T-EA825-SQ
In Stock
ON SALE! SAVE 20%
$1528.99

This product was last offered at the strikethrough price on
09-28-2026

$1223.16 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exact-Fit Stainless Steel Brake Lines - Front

ES#4872198 - 045064LA01 - Exact-Fit Stainless Steel Brake Lines - Front - DOT-compliant set of front stainless steel brake lines for enhanced pedal feel and improved braking performance. - ECS - Audi

DOT-compliant set of front stainless steel brake lines for enhanced pedal feel and improved braking performance. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4872198
Mfg#:
045064LA01
In Stock
ON SALE! SAVE 15%
$172.99

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

$147.04 USD
Free Shipping

Front & Rear YellowStuff Performance Brake Pad Kit

ES#5386487 - dp42279rKT - Front & Rear YellowStuff Performance Brake Pad Kit - Restore your braking power on all four corners with upgraded pads! - EBC - Audi

Restore your braking power on all four corners with upgraded pads! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
5386487
Mfg#:
DP42279RKT
In Stock
$546.99

This product was last offered at the strikethrough price on
05-07-2026

$544.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Rennline 10mm Wheel Spacers - Black (Pair)

ES#4755582 - LS23.10MM - Rennline 10mm Wheel Spacers - Black (Pair) - Improve the look of your vehicle with spacers - Rennline - Audi Porsche

Improve the look of your vehicle with spacers

Brand:
Rennline - Corporate Logo
ES#:
4755582
Mfg#:
LS23.10MM
Ships in 5 Business Days
$136.00 USD
Free Shipping
on orders $49 and up
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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