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Audi S4 Performance Suspension Parts & Upgrades

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Audi B9 A4/S4 A5/S5 RS5 Rear Adjustable Sway Bar

ES#4027362 - 022848ecs01KT - Audi B9 A4/S4 A5/S5 RS5 Rear Adjustable Sway Bar - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4027362
Mfg#:
022848ECS01KT
Ships on Nov 11, 2026
$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sport Shock - Priced Each

ES#4698693 - 82401319SPORT - Rear Sport Shock - Priced Each - Tighten up your Audi with these Koni shocks - Koni - Audi

Tighten up your Audi with these Koni shocks For vehicles without electronic suspension

Brand:
Koni - Corporate Logo
ES#:
4698693
Mfg#:
82401319SPORT
Ships in 5 Business Days
39% off MSRP

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

$308.99

This product was last offered at the strikethrough price on
09-16-2026

$189.99 USD
Free Shipping
on orders $49 and up

Rear Sway Bar - 24mm

ES#2808721 - 51316 - Rear Sway Bar - 24mm - Reduce body roll and increase traction! - Suspension Techniques - Audi

Reduce body roll and increase traction!

Brand:
Suspension Techniques - Corporate Logo
ES#:
2808721
Mfg#:
51316
In Stock at Vendor
$369.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solo-Werks S1 Coilover Spanner Wrenchs

ES#4055298 - SWspanners - Solo-Werks S1 Coilover Spanner Wrenchs - Replacement spanner wrenches for S1 coilovers systems - Solo-Werks - Audi Volkswagen

Replacement spanner wrenches for S1 coilovers systems

Brand:
Solo-Werks - Corporate Logo
ES#:
4055298
Mfg#:
SWSPANNERS
In Stock
$50.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sport Springs - Set

ES#4875 - 50310 - Sport Springs - Set - Unrivaled comfort and performance. Average lowering of 1.2"F 1.2"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 1.2"F 1.2"R We Price Match - Give Us A Call or Chat!
Fits Cabrio models only

Brand:
H&R - Corporate Logo
ES#:
4875
Mfg#:
50310
Ships in 3 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.

$399.00

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

$339.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Super Sport Springs - Set

ES#2713632 - 50377-77 - Super Sport Springs - Set - Aggressive stance with an average lowering of 2.0"F 1.75"R - H&R - Audi

Aggressive stance with an average lowering of 2.0"F 1.75"R We Price Match - Give Us A Call or Chat!
Fits Sedan models only

Brand:
H&R - Corporate Logo
ES#:
2713632
Mfg#:
50377-77
Ships in 3 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.

$399.00

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

$339.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Racingline Sport Spring Set

ES#3570412 - VWR3141S4 - Racingline Sport Spring Set - Give your B9 S4 the ride height it deserves - The first upgrade to make to your car! - Racingline - Audi

Give your B9 S4 the ride height it deserves - The first upgrade to make to your car!

Brand:
Racingline - Corporate Logo
ES#:
3570412
Mfg#:
VWR3141S4
Ships in 5 Business Days
$338.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 A5/S5 RS5 Front Adjustable Sway Bar

ES#4027361 - 022847ecs01KT - Audi B9 A4/S4 A5/S5 RS5 Front Adjustable Sway Bar - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4027361
Mfg#:
022847ECS01KT
Ships on Jan 27, 2027
ON SALE! SAVE 10%
$374.81

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

$337.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Wheel Bearing Housing Bushing

ES#4315362 - PFR3-714 - Rear Wheel Bearing Housing Bushing - Stiffen up your vehicles suspension - Powerflex - Audi

Stiffen up your vehicles suspension

Brand:
Powerflex - Corporate Logo
ES#:
4315362
Mfg#:
PFR3-714
Ships in 1 Business Day
$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Rear Sway Bar End Links

ES#3183670 - MRS-AU-0130 - Performance Rear Sway Bar End Links - Replace the flimsy stock plastic and rubber units - Megan Racing - Audi

Replace the flimsy stock plastic and rubber units

Brand:
Megan Racing - Corporate Logo
ES#:
3183670
Mfg#:
MRS-AU-0130
Ships in 4 Business Days
$165.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm Bushing Set - Inner - Race

ES#2651754 - PFF3-202Bx2 - Front Lower Control Arm Bushing Set - Inner - Race - Improves handling and control - Upgrade to a more engaging driving experience - Powerflex Black Series - Audi Volkswagen

Improves handling and control - Upgrade to a more engaging driving experience For the curved control arm

Brand:
Powerflex Black Series - Corporate Logo
ES#:
2651754
Mfg#:
PFF3-202BX2
Ships in 1 Business Day
$160.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm Bushing Set - Inner

ES#3175221 - 140916-3H - Front Lower Control Arm Bushing Set - Inner - Upgrade to a more engaging driving experience - 2 axis camber / self-aligning - KMAC - Audi

Upgrade to a more engaging driving experience - 2 axis camber / self-aligning For the straight control arm

Brand:
KMAC - Corporate Logo
ES#:
3175221
Mfg#:
140916-3H
Special Order: No Guaranteed ETA
$320.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar Assembly - 22mm

ES#7418 - 71257 - Rear Sway Bar Assembly - 22mm - Reduce body roll with this new sway bar from H&R - H&R - Audi

Reduce body roll with this new sway bar from H&R We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
7418
Mfg#:
71257
Ships in 3 Business Days
10% off MSRP

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

$349.00

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

$314.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Strut Mount - Pair

The rubber damper replacement is made from high strength 7075 Aluminum and finished with a black anodized coating for corrosion resistance.

Brand:
JXB Performance - Corporate Logo
ES#:
4419878
Mfg#:
B6001A0
Ships in 4 Business Days
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Upper Control Arm Rebuild Kit

ES#4147666 - 034-401-Z055 - Adjustable Upper Control Arm Rebuild Kit - Rebuild kit for 034 Fully Spherical Adjustable Upper Control Arms for Audi B5/B6/B7 Applications! These parts are a direct replacement for the rod ends, hardware, and dust boots. - 034Motorsport - Audi

Rebuild kit for 034 Fully Spherical Adjustable Upper Control Arms for Audi B5/B6/B7 Applications! These parts are a direct replacement for the rod ends, hardware, and dust boots. 2X Entries Into Our F80 M3 Sweepstakes
*For customers with 034Motorsport Spherical Adjustable Upper Control Arm Kit 034-401-1006

Brand:
034Motorsport - Corporate Logo
ES#:
4147666
Mfg#:
034-401-Z055
Back Ordered
$296.00 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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