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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T Performance Parts & Upgrades

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Wheel Spacer & Bolt Kit - 17.5mm With Black Conical Seat Bolts

ES#2748289 - 6-ECS-023 - Wheel Spacer & Bolt Kit - 17.5mm 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#:
2748289
Mfg#:
6-ECS-023
In Stock
$173.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear USR Series Sport Slotted Rotors - Pair (330x22)

ES#2621352 - USR1846 - Rear USR Series Sport Slotted Rotors - Pair (330x22) - Upgrade to a Turbo slotted rotor for improved braking - EBC - Audi

Upgrade to a Turbo slotted rotor for improved braking affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
EBC - Corporate Logo
ES#:
2621352
Mfg#:
USR1846
Ships on Jul 6, 2026
Auto Notify
5% off MSRP

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

$396.99

This product was last offered at the strikethrough price on
06-12-2026

$376.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Street Shield Skid Plate Hardware Kit

ES#3493177 - 003251ECS02KT - Engine Street Shield Skid Plate Hardware Kit - Replacement hardware kit for your ECS Engine Street Shield - ECS - Audi

Replacement hardware kit for your ECS Engine Street Shield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3493177
Mfg#:
003251ECS02KT
In Stock
$140.53 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Aluminum Flywheel (23lbs)

ES#2830906 - FW060AL - Lightweight Aluminum Flywheel (23lbs) - Unleash hidden power by reducing rotating mass - Clutch Masters - Audi

Unleash hidden power by reducing rotating mass affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Clutch Masters - Corporate Logo
ES#:
2830906
Mfg#:
FW060AL
Ships in 7 Business Days
15% off MSRP

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

$1534.99

This product was last offered at the strikethrough price on
06-12-2026

$1304.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front EP24 "Enthusiast Performance" Brake Pad Set (With Sensor)

ES#4739071 - EP24-1322 - Front EP24 "Enthusiast Performance" Brake Pad Set (With Sensor) - This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. - ECS - Audi

This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4739071
Mfg#:
EP24-1322
In Stock
$184.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Integrated Engineering 3.0T Dual Pulley Power Kit

ES#4351841 - ieppcgj1 - Integrated Engineering 3.0T Dual Pulley Power Kit - Turn your Audi B8 S4 or S5 into an all-out street monster with IE's complete Dual Pulley kit! Includes ECU & TCU software plus Dual Pulley setup - Integrated Engineering - Audi

Turn your Audi B8 S4 or S5 into an all-out street monster with IE's complete Dual Pulley kit! Includes ECU & TCU software plus Dual Pulley setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Fits vehicles with DSG transmissions only

Brand:
Integrated Engineering - Corporate Logo
ES#:
4351841
Mfg#:
IEPPCGJ1
In Stock
$2579.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

7.5mm Wheel Spacers - Black (Pair)

ES#3476425 - 021460TMS02-06 - 7.5mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW Mercedes Benz MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476425
Mfg#:
021460TMS02-06
In Stock
ON SALE! SAVE 25%
$131.99

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

$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.5" Cone Style Air Filter

ES#4304100 - CTS-AF-250 - 3.5" Cone Style Air Filter - Replacement filter for CTS-IT-300R and CTS-IT-938 - CTS - Audi

Replacement filter for CTS-IT-300R and CTS-IT-938 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4304100
Mfg#:
CTS-AF-250
Back Ordered
Auto Notify
ON SALE! SAVE 20%
$99.99

This product was last offered at the strikethrough price on
06-08-2026

$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.5" Performance Downpipe Set

ES#3557460 - CTSEXHDP0017 - 2.5" Performance Downpipe Set - For substantial power gains, improved exhaust flow and a more throaty sound! - CTS - Audi

For substantial power gains, improved exhaust flow and a more throaty sound! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
3557460
Mfg#:
CTSEXHDP0017
Ships in 7 Business Days
ON SALE! SAVE 15%
$599.99

This product was last offered at the strikethrough price on
06-08-2026

$509.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Damping Performance Coilover System - Audi B8/B8.5 & Thrust Arm Monoball Upgrade (M12 Ball Joints)

ES#4750975 - 025412ECS01EBKT - Adjustable Damping Performance Coilover System - Audi B8/B8.5 & Thrust Arm Monoball Upgrade (M12 Ball Joints) - Take control of your ride while going low with our sport-tuned coilover system! - Enthusiast Bundles - Audi

Take control of your ride while going low with our sport-tuned coilover system! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4750975
Mfg#:
025412ECS01EBKT
In Stock
ON SALE! SAVE 33%
$1872.98

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

$1249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Linkage Stabilizer Rod Upgrade

ES#4840220 - B8033A0 - Billet Linkage Stabilizer Rod Upgrade - Replaces failure-prone stock anchor rod - JXB Performance - Audi

Replaces failure-prone stock anchor rod affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JXB Performance - Corporate Logo
ES#:
4840220
Mfg#:
B8033A0
In Stock at Vendor
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

V1 Series Coilover Kit - With EDC Deactivation Kit

ES#2619582 - 10210097 - V1 Series Coilover Kit - With EDC Deactivation Kit - Variant 1 coilovers offer the best balance between sporty driving and comfort - For models with Electronic Dampening Control - KW Suspension - Audi

Variant 1 coilovers offer the best balance between sporty driving and comfort - For models with Electronic Dampening Control affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits sedan models with factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2619582
Mfg#:
10210097
Ships in 5 Business Days
$2494.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

V1 Series Coilover Kit - With EDC Deactivation Kit

ES#2619578 - 10210099 - V1 Series Coilover Kit - With EDC Deactivation Kit - Variant 1 coilovers offer the best balance between sporty driving and comfort - KW Suspension - Audi

Variant 1 coilovers offer the best balance between sporty driving and comfort affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits avant models with factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2619578
Mfg#:
10210099
Ships in 5 Business Days
$2494.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW Street Comfort Coilover Kit

Street Comfort coilovers offer sport handling with adjustable ride height affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without electronic damping.

Brand:
KW Suspension - Corporate Logo
ES#:
2951371
Mfg#:
18010075KT
Ships in 8 Business Days
$2494.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Line Relocation Kit

ES#3102572 - 000931ECS07 - Fuel Line Relocation Kit - Re-routes the fuel line underneath the intake tube for a cleaner look! - ECS - Audi

Re-routes the fuel line underneath the intake tube for a cleaner look! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3102572
Mfg#:
000931ECS07
In Stock
$62.99 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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