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 Clear

Audi B9 S4 Quattro 3.0T

    • 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 Audi B9 S4 Quattro 3.0T
Your Vehicle Audi B9 S4 Quattro 3.0T
Change Clear

Audi B9 S4 Quattro 3.0T Performance Sway Bars

Sort By
Filter By
Return to Top

Front Sway Bar End Link Kit

ES#2779621 - 8k0411317dkt - Front Sway Bar End Link Kit - Includes both end links with securing hardware - Genuine Volkswagen Audi - Audi

Includes both end links with securing hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2779621
Mfg#:
8K0411317DKT
Ships in 1 day
$269.99 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 1 Business Day
$510.00 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 7 Business Days
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rebuild Kit For Dynamic+ Billet Adjustable Front Sway Bar End Links

ES#4770470 - 034-402-Z050 - Rebuild Kit For Dynamic+ Billet Adjustable Front Sway Bar End Links - Rebuild kit for 034-402-4033 - 034Motorsport - Audi

Rebuild kit for 034-402-4033

Brand:
034Motorsport - Corporate Logo
ES#:
4770470
Mfg#:
034-402-Z050
Ships in 2 Business Days
ON SALE! SAVE 10%
$85.00

This product was last offered at the strikethrough price on
08-17-2026

$76.50 USD
Free Shipping

Rear Sway Bar Kit

New sway bars from H&R for unrivaled performance and fitment 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
4430813
Mfg#:
71056
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.

$459.00

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

$413.99 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! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4027362
Mfg#:
022848ECS01KT
Ships on Nov 11, 2026
Auto Notify
ON SALE!
$380.99

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

$361.94 USD
Free Shipping
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 For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4027361
Mfg#:
022847ECS01KT
Ships on Dec 31, 2026
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

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

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

Rear Sway Bar (25.4mm)

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

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

Front Sway Bar End Link - Priced Each

ES#2795517 - 8K0411317D - Front Sway Bar End Link - Priced Each - Fits the left and right side - Vaico - Audi

Fits the left and right side We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2795517
Mfg#:
8K0411317D
In Stock at Vendor
$43.99

This product was last offered at the strikethrough price on
05-07-2026

$42.99 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! *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
Ships in 2 Business Days
ON SALE! SAVE 10%
$29.00

This product was last offered at the strikethrough price on
08-17-2026

$26.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Front Sway Bar End Link Rebuild Kit

ES#4147672 - 034-402-Z020 - Adjustable Front Sway Bar End Link Rebuild Kit - 034Motorsport is proud to offer a rebuild kit for their MkV/MkVI/MkVII Volkswagen & 8J/8P/8V/8S, B8/B8.5/B9 Audi Adjustable Sway Bar End Links! - 034Motorsport - Audi

034Motorsport is proud to offer a rebuild kit for their MkV/MkVI/MkVII Volkswagen & 8J/8P/8V/8S, B8/B8.5/B9 Audi Adjustable Sway Bar End Links! *To be used with adjustable end link kits: 034-402-4006, 034-402-4025, & 034-402-4002

Brand:
034Motorsport - Corporate Logo
ES#:
4147672
Mfg#:
034-402-Z020
Ships in 2 Business Days
ON SALE! SAVE 10%
$106.00

This product was last offered at the strikethrough price on
08-17-2026

$95.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar Bushing Kit

ES#3603475 - 034-402-Z018 - Front Sway Bar Bushing Kit - Rebuild kit for the 034Motorsport adjustable front sway bar - 034Motorsport - Audi

Rebuild kit for the 034Motorsport adjustable front sway bar

Brand:
034Motorsport - Corporate Logo
ES#:
3603475
Mfg#:
034-402-Z018
In Stock
ON SALE! SAVE 10%
$29.00

This product was last offered at the strikethrough price on
08-17-2026

$26.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rebuild Kit For Dynamic+ Billet Adjustable Rear Sway Bar End Links - Audi B9/B9.5, C8, 4M, 4M8 Chassis

ES#4880874 - 034-402-Z049 - Rebuild Kit For Dynamic+ Billet Adjustable Rear Sway Bar End Links - Audi B9/B9.5, C8, 4M, 4M8 Chassis - This rebuild kit contains new Dynamic+ Rod Ends, Jamb Nuts, Anti-Seize, and accompanying nuts and washers. - 034Motorsport - Audi

This rebuild kit contains new Dynamic+ Rod Ends, Jamb Nuts, Anti-Seize, and accompanying nuts and washers.

Brand:
034Motorsport - Corporate Logo
ES#:
4880874
Mfg#:
034-402-Z049
Ships in 2 Business Days
ON SALE! SAVE 10%
$45.00

This product was last offered at the strikethrough price on
08-17-2026

$40.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar Bushing Kit

ES#3603476 - 034-402-Z019 - Rear Sway Bar Bushing Kit - Rebuild kit for the 034Motorsport adjustable rear sway bar - 034Motorsport - Audi

Rebuild kit for the 034Motorsport adjustable rear sway bar

Brand:
034Motorsport - Corporate Logo
ES#:
3603476
Mfg#:
034-402-Z019
Ships in 2 Business Days
ON SALE! SAVE 10%
$29.00

This product was last offered at the strikethrough price on
08-17-2026

$26.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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! 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

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