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Audi S4 Performance Suspension Parts & Upgrades

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Special Active Front And Rear Struts

ES#4698700 - 82451406KT - Special Active Front And Rear Struts - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality Vehicle will lose Adaptive Dampening Control

Brand:
Koni - Corporate Logo
ES#:
4698700
Mfg#:
82451406KT
Back Ordered
ON SALE! SAVE 20%
$732.99

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

$586.34 USD
Free Shipping
on orders $49 and up

Rear Upper Control Arm Bushing Set - Outer - Race

ES#2650519 - PFR3-208Bx2 - Rear Upper Control Arm Bushing Set - Outer - Race - Improves handling and control - Upgrade to a more engaging driving experience - Powerflex Black Series - Audi

Improves handling and control - Upgrade to a more engaging driving experience

Brand:
Powerflex Black Series - Corporate Logo
ES#:
2650519
Mfg#:
PFR3-208BX2
Ships in 2 Business Days
$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar (32mm)

If understeer is an issue, increasing or adding a sway bar in the front can help.

Brand:
Megan Racing - Corporate Logo
ES#:
4833874
Mfg#:
MRS-AU-2090
Ships in 5 Business Days
$279.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Rear Subframe Bushing Kit

ES#2864607 - 034-601-0005 - Billet Rear Subframe Bushing Kit - Maintain proper suspension geometry when cornering and reduce rear subframe movement - 034Motorsport - Audi

Maintain proper suspension geometry when cornering and reduce rear subframe movement 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864607
Mfg#:
034-601-0005
Ships in 3 Business Days
$274.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

X-Brace Stretch Bolt Subframe Hardware

ES#4020195 - 034-603-Z005 - X-Brace Stretch Bolt Subframe Hardware - We recommend using these new factory stretch bolts to install the 034Motorsport Billet Aluminum X-Brace Chassis Reinforcement Upgrade. - 034Motorsport - Audi

We recommend using these new factory stretch bolts to install the 034Motorsport Billet Aluminum X-Brace Chassis Reinforcement Upgrade. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4020195
Mfg#:
034-603-Z005
In Stock
$42.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/C7 Spherical Outer Tie Rod Kit

10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4620241
Mfg#:
4616139PDKUMJA8D
In Stock
ON SALE! SAVE 11%
$302.99

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

$270.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm Kit

ES#3183691 - mrs-au-1911-1912 - Front Lower Control Arm Kit - Includes upgraded lower straight and curved control arms - Megan Racing - Audi

Includes upgraded lower straight and curved control arms

Brand:
Megan Racing - Corporate Logo
ES#:
3183691
Mfg#:
MRS-AU-1911-1912
Back Ordered
$524.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Control Arm Bushings - Camber Adjustable

ES#4305154 - PFF3-1203G - Front Upper Control Arm Bushings - Camber Adjustable - Improves handling and control - upgrade to a more engaging driving experience - Powerflex - Audi

Improves handling and control - upgrade to a more engaging driving experience

Brand:
Powerflex - Corporate Logo
ES#:
4305154
Mfg#:
PFF3-1203G
Ships in 2 Business Days
$261.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Special Active Shock Absorber Kit

ES#4430378 - 80451265KT - Rear Special Active Shock Absorber Kit - 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#:
4430378
Mfg#:
80451265KT
In Stock
ON SALE! SAVE 20%
$322.99

This product was last offered at the strikethrough price on
08-26-2026

$257.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sway Bar Teflon Bushing Rebuild & Upgrade Kit - 25.4mm Pair

ES#4905885 - 034-402-Z062 - Sway Bar Teflon Bushing Rebuild & Upgrade Kit - 25.4mm Pair - Replacement Bushing Set for 034-402-1003, 034-402-1005, 034-402-1007, 034-402-1008 and, 034-402-1035. Rear Position. - 034Motorsport - Audi

Replacement Bushing Set for 034-402-1003, 034-402-1005, 034-402-1007, 034-402-1008 and, 034-402-1035. Rear Position. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4905885
Mfg#:
034-402-Z062
In Stock
$32.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 Stage 1 Suspension Package

Start off your suspension upgrades on the right foot with the EMD Auto stage 1 suspension package!

Brand:
Emmanuele Design - Corporate Logo
ES#:
4430332
Mfg#:
EMD-B9Q-STG1
Ships in 2 Business Days
$510.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar End Links - Pair

ES#4701565 - ELA-012 - Rear Sway Bar End Links - Pair - Eliminate rubber to improve handling and response - Verkline - Audi Volkswagen

Eliminate rubber to improve handling and response

Brand:
Verkline - Corporate Logo
ES#:
4701565
Mfg#:
ELA-012
Ships in 2 Business Days
$250.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Rear Sway Bar Upgrade

ES#5435526 - SUS-0011R - CTS Turbo Rear Sway Bar Upgrade - Transform your B9/B9.5 Audi's handling and crush body roll with CTS Turbo's solid 22.5mm rear sway bar, featuring two-way adjustability up to 214% stiffer than stock. - CTS - Audi

Transform your B9/B9.5 Audi's handling and crush body roll with CTS Turbo's solid 22.5mm rear sway bar, featuring two-way adjustability up to 214% stiffer than stock.

Brand:
CTS - Corporate Logo
ES#:
5435526
Mfg#:
SUS-0011R
Ships in 8 Business Days
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Adjustable Rear Sway End Links

ES#5375238 - IESSCK5 - IE Adjustable Rear Sway End Links - Provides tight, responsive handling for any ride height from stock to slammed - Integrated Engineering - Audi

Provides tight, responsive handling for any ride height from stock to slammed

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375238
Mfg#:
IESSCK5
Ships in 5 Business Days
$249.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Front Sway Bar Kit

ES#2708113 - 70477KT - Performance Front Sway Bar Kit - Includes H&R's 32mm sway bar with installation hardware - H&R - Audi

Includes H&R's 32mm sway bar with installation hardware We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2708113
Mfg#:
70477KT
Ships in 4 Business Days
$533.99

This product was last offered at the strikethrough price on
07-01-2026

$484.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Suspension Parts & Upgrades

Your car's performance and ride quality are effectively determined by your suspension. Find all the replacement and upgrade solutions for your dampers, springs, control arms, and more in our suspension catalog.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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