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Audi A4 Performance Suspension Parts & Upgrades

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KW H.A.S. - Height Adjustable Spring Kit

ES#3427369 - 253100BH - KW H.A.S. - Height Adjustable Spring Kit - Retains the use of your factory shocks while providing the ability to adjust ride height from 0.6" to 1.6" Front 1.0" to 1.8" Rear - KW Suspension - Audi

Retains the use of your factory shocks while providing the ability to adjust ride height from 0.6" to 1.6" Front 1.0" to 1.8" Rear For models without factory Electronic Damping Control - For models

Brand:
KW Suspension - Corporate Logo
ES#:
3427369
Mfg#:
253100BH
Ships in 4 Business Days
$1284.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW H.A.S. - Height Adjustable Spring Kit

ES#3427370 - 253100BM - KW H.A.S. - Height Adjustable Spring Kit - Retains the use of your factory shocks while providing the ability to adjust ride height from 0.6" to 1.6" Front 1.0" to 1.8" Rear - KW Suspension - Audi

Retains the use of your factory shocks while providing the ability to adjust ride height from 0.6" to 1.6" Front 1.0" to 1.8" Rear For models without factory Electronic Damping Control - For models

Brand:
KW Suspension - Corporate Logo
ES#:
3427370
Mfg#:
253100BM
Ships in 4 Business Days
$1284.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit - H&R Super Sport Springs With Bilstein Sport Shocks

ES#2739505 - 50361-77KT - Cup Kit - H&R Super Sport Springs With Bilstein Sport Shocks - Aggressive looks with ultimate handling - Assembled By ECS - Audi

Aggressive looks with ultimate handling 10X Entries Into Our F80 M3 Sweepstakes
Fits Sedan models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739505
Mfg#:
50361-77KT
Ships in 1-3 days
$1527.99

This product was last offered at the strikethrough price on
08-27-2026

$1273.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit - H&R OE Sport Springs With Bilstein Sport Shocks

ES#3010022 - 50361-55kt - Cup Kit - H&R OE Sport Springs With Bilstein Sport Shocks - Perfect combination of handling & ride quality - Assembled By ECS - Audi

Perfect combination of handling & ride quality 10X Entries Into Our F80 M3 Sweepstakes
Fits Sedan models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
3010022
Mfg#:
50361-55KT
Ships in 1-3 days
$1527.99

This product was last offered at the strikethrough price on
08-27-2026

$1273.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Adjustable Sway Bar (32mm)

ES#2028 - 70368 - Front Adjustable Sway Bar (32mm) - Upgrade your suspension - H&R - Audi

Upgrade your suspension We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2028
Mfg#:
70368
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.

$469.00

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

$422.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spherical Adjustable Front Upper Control Arm Kit

ES#3183545 - 034-401-1006 - Spherical Adjustable Front Upper Control Arm Kit - Zero deflection and slop, uncompromized suspension geometry - Track Spec - 034Motorsport - Audi

Zero deflection and slop, uncompromized suspension geometry - Track Spec 2X Entries Into Our F80 M3 Sweepstakes
Small diameter, non-feminine racing springs are required, stock diameter springs will hit the links

Brand:
034Motorsport - Corporate Logo
ES#:
3183545
Mfg#:
034-401-1006
Back Ordered
$627.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B12 Pro-Kit Suspension System

ES#4390688 - 46-275349 - Bilstein B12 Pro-Kit Suspension System - Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes
2X Entries For Our Spin To Win Sweepstakes!
For vehicles with production date up to 7/11/2016 with 53mm front strut body without factory Electronic Damping Control.

Brand:
Bilstein - Corporate Logo
ES#:
4390688
Mfg#:
46-275349
Ships in 3 Business Days
$1250.00 USD
Free Shipping

Adjustable Damping Performance Coilover System - Audi B8/B8.5 & Thrust Arm Monoball Upgrade (M12 Ball Joints)

ES#4750975 - 025412ECS01EBKT - Adjustable Damping Performance Coilover System - Audi B8/B8.5 & Thrust Arm Monoball Upgrade (M12 Ball Joints) - Take control of your ride while going low with our sport-tuned coilover system! - Enthusiast Bundles - Audi

Take control of your ride while going low with our sport-tuned coilover system! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4750975
Mfg#:
025412ECS01EBKT
In Stock
ON SALE! SAVE 33%
$1872.98

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

$1249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Special Active Front Strut - Priced Each

ES#4698695 - 82451406 - Special Active Front Strut - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality For vehicles without electronic suspension (49mm diameter strut)

Brand:
Koni - Corporate Logo
ES#:
4698695
Mfg#:
82451406
Ships in 6 Business Days
38% off MSRP

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

$336.99

This product was last offered at the strikethrough price on
09-16-2026

$207.99 USD
Free Shipping
on orders $49 and up

BR Series Coilover Suspension Kit

ES#3521684 - S-01-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving

Brand:
BC Racing - Corporate Logo
ES#:
3521684
Mfg#:
S-01-BR
Ships in 5 Business Days
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit - B9 Audi A4/S4

ES#4424819 - S-27-BR - BR Series Coilover Suspension Kit - B9 Audi A4/S4 - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! For vehicles with production date up to 7/11/2016 with 53mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
4424819
Mfg#:
S-27-BR
Back Ordered
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Eibach SportLine Performance Springs

ES#4140197 - E20-15-023-03-22 - Eibach SportLine Performance Springs - High performance handling & aggressive looks - Average lowering of 1.8" front and 1.6" rear - Eibach - Audi

High performance handling & aggressive looks - Average lowering of 1.8" front and 1.6" rear

Brand:
Eibach - Corporate Logo
ES#:
4140197
Mfg#:
E20-15-023-03-22
In Stock at Vendor
10% off MSRP

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

$439.99

This product was last offered at the strikethrough price on
09-16-2026

$395.00 USD
Free Shipping
on orders $49 and up

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
$168.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Special Active Shock Absorber - Priced Each

ES#3560585 - 80451246 - Rear Special Active Shock Absorber - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality

Brand:
Koni - Corporate Logo
ES#:
3560585
Mfg#:
80451246
In Stock
38% off MSRP

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

$237.99

This product was last offered at the strikethrough price on
09-16-2026

$146.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Adjustable Front Sway End Links

ES#5375255 - IESSCK4 - IE Adjustable Front Sway End Links - Easy adjustments perfect any ride height and provide tight, responsive handling - Integrated Engineering - Audi

Easy adjustments perfect any ride height and provide tight, responsive handling Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375255
Mfg#:
IESSCK4
In Stock
$229.99 USD
Free Shipping
on orders $49 and up
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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