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Audi S4 Performance Rear Sway Bars

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Dynamic+ Adjustable Rear Sway Bar

ES#3241098 - 034-402-1010 - Dynamic+ Adjustable Rear Sway Bar - Designed to combat understeer while reducing body roll under hard cornering! - 034Motorsport - Audi

Designed to combat understeer while reducing body roll under hard cornering!

Brand:
034Motorsport - Corporate Logo
ES#:
3241098
Mfg#:
034-402-1010
In Stock
$354.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solid Rear Sway Bar - 25.4mm

ES#2996586 - 034-402-1005 - Solid Rear Sway Bar - 25.4mm - Substantially reduce understeer and body roll - 034Motorsport - Audi

Substantially reduce understeer and body roll

Brand:
034Motorsport - Corporate Logo
ES#:
2996586
Mfg#:
034-402-1005
In Stock
$355.00 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

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

Solid Rear Sway Bar - 25.4mm

ES#2864584 - 034-402-1001 - Solid Rear Sway Bar - 25.4mm - Substantially reduce understeer and body roll - 034Motorsport - Audi

Substantially reduce understeer and body roll Billet Aluminum Rear Subframe Reinforcement kit is recommended

Brand:
034Motorsport - Corporate Logo
ES#:
2864584
Mfg#:
034-402-1001
In Stock
$361.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 A4/S4 Rear Sway Bar & Bushing Kit - 25mm

ES#4460442 - 000601LA02 - Audi B6/B7 A4/S4 Rear Sway Bar & Bushing Kit - 25mm - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4460442
Mfg#:
000601LA02
In Stock
ON SALE! SAVE 17%
$288.99

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

$239.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 A4/S4 Front 32mm & Rear 25mm Sway Bar Kit

ES#4609000 - 000601LA01FRKT - Audi B6/B7 A4/S4 Front 32mm & Rear 25mm Sway Bar Kit - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4609000
Mfg#:
000601LA01FRKT
Ships on Sep 23, 2026
Auto Notify
ON SALE! SAVE 10%
$672.99

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

$605.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Rear Sway Bar Upgrade

ES#5435522 - SUS-0010R - CTS Turbo Rear Sway Bar Upgrade - Eliminate body roll and unlock razor-sharp handling for your B8/B8.5 Audi with CTS Turbo's solid, two-way adjustable 25.4mm rear sway bar. - CTS - Audi

Eliminate body roll and unlock razor-sharp handling for your B8/B8.5 Audi with CTS Turbo's solid, two-way adjustable 25.4mm rear sway bar.

Brand:
CTS - Corporate Logo
ES#:
5435522
Mfg#:
SUS-0010R
Ships in 7 Business Days
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar - 24mm

ES#1876408 - 71361 - Rear Sway Bar - 24mm - Non-adjustable - H&R - Audi

Non-adjustable 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
1876408
Mfg#:
71361
In Stock
Limited Qty Sale
$300.00

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

$274.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar - 25.4mm

ES#3183689 - MRS-AU-1991 - Rear Sway Bar - 25.4mm - Reduce body roll and increase handling! - Megan Racing - Audi

Reduce body roll and increase handling!

Brand:
Megan Racing - Corporate Logo
ES#:
3183689
Mfg#:
MRS-AU-1991
Ships on Oct 27, 2026
Auto Notify
$168.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 A4 and S4 Rear Adjustable Sway Bar

ES#4027350 - 022845ecs01KT - Audi B8/B8.5 A4 and S4 Rear Adjustable Sway Bar - Reduce body roll and increase cornering speed - ECS - Audi

Reduce body roll and increase cornering speed 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4027350
Mfg#:
022845ECS01KT
In Stock
ON SALE! SAVE 10%
$346.99

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

$312.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Rear Sway Bar Upgrade

ES#5375236 - IESSCK1 - IE Rear Sway Bar Upgrade - Direct bolt-in replacement with adjustable stiffness for reduced body roll and increased grip! - Integrated Engineering - Audi

Direct bolt-in replacement with adjustable stiffness for reduced body roll and increased grip! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375236
Mfg#:
IESSCK1
Ships in 1 Business Day
$429.99 USD
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Handling Packages

ES#4877160 - 034-4ZZ-0020 - 034Motorsport Handling Packages - Staged handling upgrades to best optimize the handling performance of the Audi S4 or S5! - 034Motorsport - Audi

Staged handling upgrades to best optimize the handling performance of the Audi S4 or S5!

Brand:
034Motorsport - Corporate Logo
ES#:
4877160
Mfg#:
034-4ZZ-0020
Ships in 2 Business Days
Starting at $952.00 USD
Customize
Free Shipping
on orders $49 and up

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 7 Business Days
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar - 24mm

ES#2738790 - 71257-2kt - Rear Sway Bar - 24mm - H&R 24mm sway bar with brackets - Assembled By ECS - Audi

H&R 24mm sway bar with brackets 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2738790
Mfg#:
71257-2KT
Ships in 7 Business Days
$502.99

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

$457.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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