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Audi S4 Performance Suspension Parts & Upgrades

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KW V3 Series Coilover Kit

ES#2092331 - 35210035 - KW V3 Series Coilover Kit - The ultimate in coilover technology featuring double adjustable dampening - KW Suspension - Audi

The ultimate in coilover technology featuring double adjustable dampening Fits sedan models only. Range of lowering is 0.4-1.5" in the front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2092331
Mfg#:
35210035
Back Ordered
$3394.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

V3 Series Coilover Kit

ES#2092349 - 35210065 - V3 Series Coilover Kit - The ultimate in coilover technology featuring double adjustable dampening - KW Suspension - Audi

The ultimate in coilover technology featuring double adjustable dampening Fits cabriolet and avant models only.
For avant and convertible models only. Range of lowering is 0.4-1.5" in the front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2092349
Mfg#:
35210065
Back Ordered
$3394.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Performance Coilover Kit

ES#628 - 29471-1 - Street Performance Coilover Kit - Unrivaled comfort and performance. Average lowering of 1.6"-2.5"F 1.3"-2.0"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 1.6"-2.5"F 1.3"-2.0"R We Price Match - Give Us A Call or Chat!
Fits Sedan models only

Brand:
H&R - Corporate Logo
ES#:
628
Mfg#:
29471-1
In Stock
10% off MSRP

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

$1880.00

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

$1692.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultra Low Coilover System - Fixed Damping

ES#2718824 - 29019-1 - Ultra Low Coilover System - Fixed Damping - Extreme lowering capabilities - Average lowering of 1.5"-2.7"F 1.4"-2.7"R - H&R - Audi

Extreme lowering capabilities - Average lowering of 1.5"-2.7"F 1.4"-2.7"R We Price Match - Give Us A Call or Chat!
Vehicles equipped with Electronic Damping Control (EDC) will lose shock damping and receive a system error code with coilover systems.

Brand:
H&R - Corporate Logo
ES#:
2718824
Mfg#:
29019-1
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.

$1880.00

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

$1692.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Upper Control Arm Kit - Camber Correcting

ES#3546573 - 034-401-1061 - Density Line Upper Control Arm Kit - Camber Correcting - Adds positive camber to achieve factory alignment specs after lowering, and reduce tire wear! - 034Motorsport - Audi

Adds positive camber to achieve factory alignment specs after lowering, and reduce tire wear! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3546573
Mfg#:
034-401-1061
Ships in 2 Business Days
$663.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Adjustable Upper Control Arm Kit (Track Spec)

ES#3603968 - 034-401-1063 - Density Line Adjustable Upper Control Arm Kit (Track Spec) - Gain additional negative camber for increased cornering grip and improved handling performance - 034Motorsport - Audi Volkswagen

Gain additional negative camber for increased cornering grip and improved handling performance 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3603968
Mfg#:
034-401-1063
Ships in 2 Business Days
$635.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Strut Tower Brace (B9 Chassis)

ES#4899232 - SUS00027 - APR Strut Tower Brace (B9 Chassis) - Direct bolt-on strut brace engineered to enhance chassis rigidity, reduce flex, and improve handling for a more connected driving experience. - APR - Audi

Direct bolt-on strut brace engineered to enhance chassis rigidity, reduce flex, and improve handling for a more connected driving experience. Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4899232
Mfg#:
SUS00027
Ships on Nov 17, 2026
11% off MSRP

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

$393.99

This product was last offered at the strikethrough price on
09-28-2026

$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Tubular Front Subframe

ES#4701693 - WAS-520 - Lightweight Tubular Front Subframe - Increases chassis rigidity for improved handling performance and eliminates subframe shifting - Verkline - Audi

Increases chassis rigidity for improved handling performance and eliminates subframe shifting

Brand:
Verkline - Corporate Logo
ES#:
4701693
Mfg#:
WAS-520
Ships in 4 Business Days
$1569.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 A4/S4 Front Sway Bar & Bushing Kit - 32mm

ES#4608992 - 000601LA01KT - Audi B6/B7 A4/S4 Front Sway Bar & Bushing Kit - 32mm - 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#:
4608992
Mfg#:
000601LA01KT
Ships on Jan 11, 2027
ON SALE! SAVE 10%
$378.99

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

$341.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

V2 Series Coilover Kit - With EDC Deactivation Kit

ES#2619624 - 15210097 - V2 Series Coilover Kit - With EDC Deactivation Kit - Variant 2 coilovers offer sport handling with adjustable rebound dampening - KW Suspension - Audi

Variant 2 coilovers offer sport handling with adjustable rebound dampening Fits sedan models with factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2619624
Mfg#:
15210097
Back Ordered
$3034.00 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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4609000
Mfg#:
000601LA01FRKT
Ships on Jan 11, 2027
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 Lowering Spring Set - B8/B8.5 A4/S4

ES#4686149 - CTS-LS-012 - CTS Lowering Spring Set - B8/B8.5 A4/S4 - Average lowering front: 2.0" rear: 2.0" - CTS - Audi

Average lowering front: 2.0" rear: 2.0"

Brand:
CTS - Corporate Logo
ES#:
4686149
Mfg#:
CTS-LS-012
Ships in 7 Business Days
ON SALE! SAVE 15%
$249.99

This product was last offered at the strikethrough price on
09-29-2026

$212.49 USD
Free Shipping

Sport Upper Control Arm Kit

ES#4830726 - CTS-SUS-3005 - Sport Upper Control Arm Kit - Combine this with our lower control arm kit for a complete rejuvenation of your front suspension components - CTS - Audi

Combine this with our lower control arm kit for a complete rejuvenation of your front suspension components

Brand:
CTS - Corporate Logo
ES#:
4830726
Mfg#:
CTS-SUS-3005
Ships in 7 Business Days
ON SALE! SAVE 15%
$249.99

This product was last offered at the strikethrough price on
09-29-2026

$212.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Front Subframe Bushings

ES#2864606 - 034-601-0000 - Billet Front Subframe Bushings - Hold suspension geometry under severe cornering forces! - 034Motorsport - Audi

Hold suspension geometry under severe cornering forces! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864606
Mfg#:
034-601-0000
In Stock
$219.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Lift Performance 3P Digital Air Management

ES#2966720 - 27680 - Air Lift Performance 3P Digital Air Management - The most advanced pressure based control with 1/4" manifold - Air Lift - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The most advanced pressure based control with 1/4" manifold

Brand:
Air Lift - Corporate Logo
ES#:
2966720
Mfg#:
27680
In Stock at Vendor
$1932.69

This product was last offered at the strikethrough price on
08-02-2026

$1407.50 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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