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Audi S4 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4137422
Mfg#:
028501ECS01KT
In Stock
ON SALE! SAVE 10%
$167.99

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

$151.19 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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%
$203.34

This product was last offered at the strikethrough price on
02-27-2026

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

Complete Heavy Duty Front Control Arm Kit

ES#4327287 - 1160500190/HD - Complete Heavy Duty Front Control Arm Kit - Keep your suspension in top shape - Includes all front control arms, ball joints, and hardware - Meyle HD - Audi

Keep your suspension in top shape - Includes all front control arms, ball joints, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits models from production date 6/21/2011 up through 8/15/2011 (M14 Ball Joints) - Please verify existing prior to ordering

Brand:
Meyle HD - Corporate Logo
ES#:
4327287
Mfg#:
1160500190/HD
Ships in 1 day
$1195.42 USD
Free Shipping

P34 Cold Air Intake

ES#4381931 - 034-108-1028 - P34 Cold Air Intake - 034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration - 034Motorsport - Audi

034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4381931
Mfg#:
034-108-1028
In Stock
$556.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Kohlefaser Luft-Technik Intake System - Red Carbon/Kevlar - Audi B8 S4/S5 3.0T

ES#3648559 - 000931ECS0102KT2 - Kohlefaser Luft-Technik Intake System - Red Carbon/Kevlar - Audi B8 S4/S5 3.0T - Engineered for dyno proven performance and show quality looks! - ECS - Audi

Engineered for dyno proven performance and show quality looks! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3648559
Mfg#:
000931ECS0102KT2
Ships on Jul 1, 2026
Auto Notify
ON SALE! SAVE 15%
$813.84

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

$691.76 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet PCV Vent Tube (06E103213)

ES#4932252 - 057381LA01 - Billet PCV Vent Tube (06E103213) - A durable upgrade over the failure-prone plastic OEM tube! - ECS - Audi

A durable upgrade over the failure-prone plastic OEM tube! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4932252
Mfg#:
057381LA01
In Stock
ON SALE! SAVE 21%
$51.99

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

$41.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 S4/S5 Pre-Facelift Luft-Technik Performance Supercharger Intercooler Kit - Without ADS

ES#4305066 - 025496ECS01KT2 - Audi B8 S4/S5 Pre-Facelift Luft-Technik Performance Supercharger Intercooler Kit - Without ADS - Reduce restrictions and increase cooling! Whether you call it an intercooler, a heat exchanger, a radiator, or something else - this is the product for you. - ECS - Audi

Reduce restrictions and increase cooling! Whether you call it an intercooler, a heat exchanger, a radiator, or something else - this is the product for you. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits B8 Pre-Facelift Models Without ADS

Brand:
ECS - Corporate Logo
ES#:
4305066
Mfg#:
025496ECS01KT2
In Stock
ON SALE! SAVE 18%
$919.99

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

$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Motor Mount Kit - Street Density

ES#2893870 - 034-509-0007KT - Density Line Motor Mount Kit - Street Density - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi Volkswagen

Void-free and fluid-free, eliminating the slop associated with the factory mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2893870
Mfg#:
034-509-0007KT
In Stock
$256.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.0 TFSI Supercharger Crank Pulley Upgrade - 190mm

ES#4005438 - 034-145-Z042 - 3.0 TFSI Supercharger Crank Pulley Upgrade - 190mm - Increase supercharger rotational speed to provide more boost to your engine - 034Motorsport - Audi

Increase supercharger rotational speed to provide more boost to your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*To be used with Stage 2 software - Stage 2+ software necessary if used in conjunction with a supercharger pulley upgrade*

Brand:
034Motorsport - Corporate Logo
ES#:
4005438
Mfg#:
034-145-Z042
Back Ordered
Auto Notify
$502.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front 2-Piece Brake Rotors - Pair (350x34)

ES#3493799 - 023938ecs01KT - Front 2-Piece Brake Rotors - Pair (350x34) - Direct bolt-on replacement - 16% less weight! - ECS - Audi

Direct bolt-on replacement - 16% less weight! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3493799
Mfg#:
023938ECS01KT
In Stock
ON SALE!
$1032.99

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

$1001.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solid Rear Sway Bar - 25.4mm

ES#2864583 - 034-402-1000 - Solid Rear Sway Bar - 25.4mm - Substantially reduce understeer and body roll - 034Motorsport - Audi

Substantially reduce understeer and body roll affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864583
Mfg#:
034-402-1000
In Stock
$332.00 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

13lb DSG Lightweight Flywheel - DL501

ES#4504638 - FW-060AM-DSF-13 - 13lb DSG Lightweight Flywheel - DL501 - 11lbs lighter than factory and machined billet instead of cast iron! - Clutch Masters - Audi

11lbs lighter than factory and machined billet instead of cast iron! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Clutch Masters - Corporate Logo
ES#:
4504638
Mfg#:
FW-060AM-DSF-13
In Stock
13% off MSRP

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

$1800.00

This product was last offered at the strikethrough price on
03-27-2026

$1568.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TTE710 Turbo Upgrade - B9 S4/S5/SQ5 3.0T

ES#4493300 - TTE10388 - TTE710 Turbo Upgrade - B9 S4/S5/SQ5 3.0T - Pair this with the Integrated Engineering or 034 Motorsports Stage 3 tune for 600+hp! - The Turbo Engineers - Audi

Pair this with the Integrated Engineering or 034 Motorsports Stage 3 tune for 600+hp! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4493300
Mfg#:
TTE10388
Ships on Jun 23, 2026
$3906.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Front Strut Brace - Audi B9 A4/A5/S4/S5/RS5

ES#3188267 - 019218ECS01 - Billet Aluminum Front Strut Brace - Audi B9 A4/A5/S4/S5/RS5 - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3188267
Mfg#:
019218ECS01
In Stock
ON SALE! SAVE 32%
$383.99

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

$259.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Cross Drilled Brake Rotors - Pair (330x22)

ES#4141822 - 4h0615601hdKT - Rear Cross Drilled Brake Rotors - Pair (330x22) - Features an Anti-Corrosion coating "Anti-Z" - Zimmermann - Audi

Features an Anti-Corrosion coating "Anti-Z" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Zimmermann - Corporate Logo
ES#:
4141822
Mfg#:
4H0615601HDKT
In Stock
$370.99

This product was last offered at the strikethrough price on
03-23-2026

$337.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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