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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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Audi B8 Billet Aluminum Front Strut Tower / Chassis Brace

ES#4137422 - 028501ecs01KT - Audi B8 Billet Aluminum Front Strut Tower / Chassis Brace - Provides additional support to the strut towers for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the strut towers for flex reduction to enhance your driving experience 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4137422
Mfg#:
028501ECS01KT
In Stock
ON SALE! SAVE 10%
$171.99

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

$154.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 S4 / S5 3.0T Performance Aluminum Radiator

ES#4566542 - 012620LA02 - B8 S4 / S5 3.0T Performance Aluminum Radiator - Direct-fit upgrade! Featuring a 33% increase in core thickness and durable, all-aluminum construction. - ECS - Audi

Direct-fit upgrade! Featuring a 33% increase in core thickness and durable, all-aluminum construction. 10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!
For Vehicles Equipped with a Manual Transmission

Brand:
ECS - Corporate Logo
ES#:
4566542
Mfg#:
012620LA02
In Stock
ON SALE! SAVE 24%
$326.99

This product was last offered at the strikethrough price on
05-14-2026

$250.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Special Active Front Strut - Priced Each

ES#3560616 - 82451264 - Special Active Front Strut - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality Vehicles equipped with Electronic Damping Control (EDC) will lose factory shock damping and receive a system error code

Brand:
Koni - Corporate Logo
ES#:
3560616
Mfg#:
82451264
In Stock
ON SALE! SAVE 20%
$202.79

This product was last offered at the strikethrough price on
10-31-2026

$162.23 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front V5 Dimpled & Slotted Brake Rotors - Set (345x30)

ES#4668212 - 8K0615301M-XS - Front V5 Dimpled & Slotted Brake Rotors - Set (345x30) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - Audi

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4668212
Mfg#:
8K0615301M-XS
In Stock
ON SALE!
$521.99

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

$486.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi 3.0T Performance Supercharger Pulley - 57.6mm - Press Fit

ES#3551738 - 025509ECS01 - Audi 3.0T Performance Supercharger Pulley - 57.6mm - Press Fit - Easily increase the supercharger rotational speed to create more boost - ECS - Audi Volkswagen Porsche

Easily increase the supercharger rotational speed to create more boost 10X Entries Into Our F80 M3 Sweepstakes
Appropriate stage 2 software is required for use

Brand:
ECS - Corporate Logo
ES#:
3551738
Mfg#:
025509ECS01
In Stock
ON SALE! SAVE 25%
$179.99

This product was last offered at the strikethrough price on
10-15-2026

$134.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Engine Mount Kit - Audi B8 A4/S4/Q5, C7 A6

ES#4315393 - 002734ECS01 - ECS Performance Engine Mount Kit - Audi B8 A4/S4/Q5, C7 A6 - Get rid of the slop with ECS performance polyurethane engine mounts! - ECS - Audi

Get rid of the slop with ECS performance polyurethane engine mounts! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4315393
Mfg#:
002734ECS01
In Stock
ON SALE! SAVE 20%
$703.99

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

$563.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S34 Carbon Fiber Intake

ES#4304717 - 034-108-1027 - S34 Carbon Fiber Intake - Improved power, supercharger sound, and overall performance. - 034Motorsport - Audi

Improved power, supercharger sound, and overall performance. 2X Entries Into Our F80 M3 Sweepstakes
CARB certified for sale in all 50 states

Brand:
034Motorsport - Corporate Logo
ES#:
4304717
Mfg#:
034-108-1027
EO#:
D-850-2
Ships in 3 Business Days
$455.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drivetrain Mounts Insert Package

ES#2975804 - 034-509-6000 - Drivetrain Mounts Insert Package - Complete mount insert set - 034Motorsport - Audi

Complete mount insert set 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2975804
Mfg#:
034-509-6000
In Stock
$294.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heat Exchanger Kit - Bolt-On - Performance Multi-Pass - Silver

ES#4046103 - PMPHX30T40T - Heat Exchanger Kit - Bolt-On - Performance Multi-Pass - Silver - Installation of this kit is now easier than ever, without the need of removing the crash bar to drill holes for bracket mounting. - JH Motorsports - Audi

Installation of this kit is now easier than ever, without the need of removing the crash bar to drill holes for bracket mounting.

Brand:
JH Motorsports - Corporate Logo
ES#:
4046103
Mfg#:
PMPHX30T40T
Ships in 6 Business Days
$669.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 A4/S4 Facelift Carbon Fiber Radiator Support Cover

ES#3435250 - 024714ECS01 - Audi B8 A4/S4 Facelift Carbon Fiber Radiator Support Cover - Carbon fiber, front and center! - ECS - Audi

Carbon fiber, front and center! 10X Entries Into Our F80 M3 Sweepstakes

Fits Facelift models from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3435250
Mfg#:
024714ECS01
In Stock
ON SALE! SAVE 15%
$419.99

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

$356.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Trunk Spoiler - Audi B8 A4/S4

ES#2996602 - 013868ECS01A - Carbon Fiber Trunk Spoiler - Audi B8 A4/S4 - Add a touch of style and real carbon fiber to your Audi - ECS - Audi

Add a touch of style and real carbon fiber to your Audi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2996602
Mfg#:
013868ECS01A
Ships on Nov 18, 2026
ON SALE! SAVE 10%
$638.99

This product was last offered at the strikethrough price on
10-28-2026

$575.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1-Piece Rear Brake Rotor Upgrade Kit - Pair (330mm X 22mm)

ES#5446383 - 034-301-2022 - 1-Piece Rear Brake Rotor Upgrade Kit - Pair (330mm X 22mm) - Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use - 034Motorsport - Audi Porsche

Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5446383
Mfg#:
034-301-2022
In Stock
$382.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser

ES#4490851 - 018359ECS01-02 - Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser - Hand-laid chopped carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid chopped carbon fiber to upgrade your exterior styling 10X Entries Into Our F80 M3 Sweepstakes

From the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
4490851
Mfg#:
018359ECS01-02
In Stock
ON SALE!
$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Special Active Shock Absorber - Priced Each

ES#3560586 - 80451265 - Rear Special Active Shock Absorber - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality Vehicles equipped with Electronic Damping Control (EDC) will lose factory shock damping and receive a system error code

Brand:
Koni - Corporate Logo
ES#:
3560586
Mfg#:
80451265
In Stock
ON SALE! SAVE 21%
$161.99

This product was last offered at the strikethrough price on
08-25-2026

$128.62 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport 3.0T Supercharger Pulley Upgrade

ES#3432403 - 034-145-Z034 - 034Motorsport 3.0T Supercharger Pulley Upgrade - Increased horsepower and torque throughout the powerband when paired with Stage 2 Performance Software. - 034Motorsport - Audi

Increased horsepower and torque throughout the powerband when paired with Stage 2 Performance Software. 2X Entries Into Our F80 M3 Sweepstakes
*3.0 TFSI Performance Software is sold separately and required in order for this pulley to yield a performance benefit.*

Brand:
034Motorsport - Corporate Logo
ES#:
3432403
Mfg#:
034-145-Z034
In Stock
$199.00 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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