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Audi S4 Performance Suspension Parts & Upgrades

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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! 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
ES#5477704 - TGK-0412-04 - TGK Motorsport Front And Rear Sway Bar Kit - Includes 28MM Front and 22MM Rear Sway Bar. - TGK Motorsport - Audi

Includes 28MM Front and 22MM Rear Sway Bar.

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477704
Mfg#:
TGK-0412-04
Ships in 5 Business Days
$629.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5477665 - TGK-0404-08 - TGK Motorsport Complete Billet Rear Subframe Insert Kit - Precision-machined billet aluminum rear subframe inserts that eliminate unwanted chassis flex and sharpen the handling of your B9 Audi. - TGK Motorsport - Audi

Precision-machined billet aluminum rear subframe inserts that eliminate unwanted chassis flex and sharpen the handling of your B9 Audi.

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477665
Mfg#:
TGK-0404-08
Ships in 5 Business Days
$329.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5477685 - TGK-0408-02 - Adjustable Spherical Rear Swaybar Endlink Set - Address clearance issues that may arise from lowering your car - TGK Motorsport - Audi Porsche

Address clearance issues that may arise from lowering your car

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477685
Mfg#:
TGK-0408-02
Ships in 5 Business Days
$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unrivaled comfort and performance. Average lowering of 1.3"-2.3"F 1.2"-2.0"R We Price Match - Give Us A Call or Chat!
Cabriolet models only

Brand:
H&R - Corporate Logo
ES#:
2807045
Mfg#:
29310-1
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.

$1580.00

This product was last offered at the strikethrough price on
10-01-2026

$1422.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

The ultimate in coilover technology, featuring double adjustable damping For sedan models without Electronic Damping Control and a 48.5mm front strut body. Range of lowering is 0.4-1.4" front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
4056870
Mfg#:
352100BM
Ships in 4 Business Days
$3494.00 USD
Free Shipping

Brand:
KW Suspension - Corporate Logo
ES#:
4883948
Mfg#:
65A50026
Ships in 4 Business Days
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4876603 - 051204LA01EBKT - Thrust Arm Monoball Upgrade Kit - Front Lower, Inner & B9 A4 / S4 Lowering Spring Set - Eliminate deflection caused by stock rubber bushings and Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. - Enthusiast Bundles - Audi

Eliminate deflection caused by stock rubber bushings and Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876603
Mfg#:
051204LA01EBKT
Ships in 1-3 days
ON SALE!
$652.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

***Please see photos and description prior to ordering, all sales final.*** The ultimate in coilover technology featuring double adjustable dampening ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5527414
Mfg#:
35210075SD
Ships in 1 Business Day
Limited Qty Sale
$3393.99

This product was last offered at the strikethrough price on
10-23-2026

$2679.99 USD
Free Shipping
ES#4753402 - N91222501KT - Lowering Spring Install Kit - All the required hardware to install your lowering springs - Genuine Volkswagen Audi - Audi

All the required hardware to install your lowering springs For vehicles with production date up to 02/24/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4753402
Mfg#:
N91222501KT
Ships in 2 Business Days
$207.99

This product was last offered at the strikethrough price on
10-26-2026

$206.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4753415 - N906484022KT - Lowering Spring Install Kit - All the required hardware to install your lowering springs - Genuine Volkswagen Audi - Audi

All the required hardware to install your lowering springs For vehicles with production date from 02/24/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4753415
Mfg#:
N906484022KT
Ships in 2 Business Days
$151.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4753422 - N912225012KT - Lowering Spring Install Kit - All the required hardware to install your lowering springs - Genuine Volkswagen Audi - Audi

All the required hardware to install your lowering springs For vehicles with production date up to 02/24/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4753422
Mfg#:
N912225012KT
Ships in 2 Business Days
$203.99

This product was last offered at the strikethrough price on
08-31-2026

$202.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replace your bent or damage part

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2523243
Mfg#:
8K0805629D
Ships in 7 Business Days
13% off MSRP

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

$99.99

This product was last offered at the strikethrough price on
08-31-2026

$86.99 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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