Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Performance Rear Sway Bars

Sort By
Filter By
Return to Top

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

Brand:
Assembled By ECS - Corporate Logo
ES#:
2738790
Mfg#:
71257-2KT
Ships in 7 Business Days
$403.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

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

Brand:
ECS - Corporate Logo
ES#:
4027362
Mfg#:
022848ECS01KT
Ships on Sep 1, 2026
Auto Notify
ON SALE!
$372.99

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

$354.21 USD
Free Shipping
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
7418
Mfg#:
71257
Ships in 3 Business Days
$286.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar (25.4mm)

If understeer is an issue, increasing or adding a sway bar in the rear can help. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Megan Racing - Corporate Logo
ES#:
4833817
Mfg#:
MRS-AU-2091
Ships in 4 Business Days
$266.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Sway Bar Rebuild Kit

ES#4147667 - 034-402-Z014 - Adjustable Rear Sway Bar Rebuild Kit - 034Motorsport is proud to offer a rebuild kit for their 22.2mm Diameter Adjustable Solid Rear Sway Bars! - 034Motorsport - Audi Volkswagen

034Motorsport is proud to offer a rebuild kit for their 22.2mm Diameter Adjustable Solid Rear Sway Bars! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*To be used with sway bar kits: 034-402-1010, 034-402-1006, & 034-402-1002

Brand:
034Motorsport - Corporate Logo
ES#:
4147667
Mfg#:
034-402-Z014
In Stock
$29.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sway Bar Teflon Bushing Rebuild & Upgrade Kit - Pair 25mm

ES#4905844 - 034-402-Z061 - Sway Bar Teflon Bushing Rebuild & Upgrade Kit - Pair 25mm - Replacement Bushing Set for 034-402-1000 & 034-402-1001 - 034Motorsport - Audi

Replacement Bushing Set for 034-402-1000 & 034-402-1001 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4905844
Mfg#:
034-402-Z061
Ships in 2 Business Days
$42.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

H&R 24mm Rear Sway Bar Replacement Bushings - Priced Each

ES#2497580 - 71361BUSHING - H&R 24mm Rear Sway Bar Replacement Bushings - Priced Each - H&R - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2497580
Mfg#:
71361BUSHING
Ships in 3 Business Days
$29.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Sway Bar Rebuild Kit

ES#4147668 - 034-402-Z015 - Adjustable Rear Sway Bar Rebuild Kit - 034Motorsport is proud to offer a rebuild kit for their 25.4mm Diameter Adjustable Solid Rear Sway Bars for B4 through B7 Audi models! - 034Motorsport - Audi

034Motorsport is proud to offer a rebuild kit for their 25.4mm Diameter Adjustable Solid Rear Sway Bars for B4 through B7 Audi models! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*To be used with sway bar kits: 034-402-1000, 034-402-1001

Brand:
034Motorsport - Corporate Logo
ES#:
4147668
Mfg#:
034-402-Z015
Ships in 2 Business Days
$31.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Handling Packages - Early Models

ES#4877110 - 034-4ZZ-0026E - 034Motorsport Handling Packages - Early Models - Staged handling upgrades to best optimize the handling performance of the Audi S4! - 034Motorsport - Audi

Staged handling upgrades to best optimize the handling performance of the Audi S4! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles built before 11/02/09

Brand:
034Motorsport - Corporate Logo
ES#:
4877110
Mfg#:
034-4ZZ-0026E
Ships in 2 Business Days
Starting at $894.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Handling Packages - Late Models

ES#4877111 - 034-4ZZ-0026L - 034Motorsport Handling Packages - Late Models - Staged handling upgrades to best optimize the handling performance of the Audi S4! - 034Motorsport - Audi

Staged handling upgrades to best optimize the handling performance of the Audi S4! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles built after 11/03/09

Brand:
034Motorsport - Corporate Logo
ES#:
4877111
Mfg#:
034-4ZZ-0026L
Ships in 2 Business Days
Starting at $894.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EMMOTION Rear Sway Bar - 22.2mm

ES#3199952 - EMD-B9Q-RSB - EMMOTION Rear Sway Bar - 22.2mm - Reduce body roll with this new sway bar from Emmanuele Design - Emmanuele Design - Audi

Reduce body roll with this new sway bar from Emmanuele Design affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
3199952
Mfg#:
EMD-B9Q-RSB
Ships in 1 Business Day
$285.00 USD

IE Rear Sway Bar Upgrade

ES#5375239 - IESUCZ3 - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375239
Mfg#:
IESUCZ3
Ships in 4 Business Days
$459.99 USD
This product is lifetime replacement eligible Lifetime Replacement

IE Front Sway Bar Upgrade

ES#5375241 - IESUCZ1 - IE Front 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This front sway bar must be paired with the matching iE SQ5 Rear Sway Bar (IESUCZ3)

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375241
Mfg#:
IESUCZ1
Ships in 4 Business Days
$459.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings