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 Springs

Sort By
Filter By
Return to Top

Dynamic+ Lowering Springs

ES#3491530 - 034-404-1005 - Dynamic+ Lowering Springs - Engineered to improve handling and deliver superb ride quality! - 034Motorsport - Audi

Engineered to improve handling and deliver superb ride quality! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3491530
Mfg#:
034-404-1005
In Stock
$345.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sport Springs - Set

ES#251841 - 50361 - Sport Springs - Set - Unrivaled comfort and performance. Average lowering of 1.5"F 1.5"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 1.5"F 1.5"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#:
251841
Mfg#:
50361
In Stock
32% off MSRP

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

$439.00

This product was last offered at the strikethrough price on
06-02-2026

$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Super Sport Springs - Set

ES#1303564 - 50361-77 - Super Sport Springs - Set - Aggressive looks and ultimate handling. Average lowering of 2.0"F 2.0"R - H&R - Audi

Aggressive looks and ultimate handling. Average lowering of 2.0"F 2.0"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#:
1303564
Mfg#:
50361-77
In Stock
$257.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sport Springs - Set

ES#3187941 - 50357 - Sport Springs - Set - Finally, A performance lowering spring for your B9 chassis Audi - Offering unrivaled comfort and performance - H&R - Audi

Finally, A performance lowering spring for your B9 chassis Audi - Offering unrivaled comfort and performance 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!
Average lowering of .80" front and rear

Brand:
H&R - Corporate Logo
ES#:
3187941
Mfg#:
50357
In Stock
$286.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 A4 / S4 Lowering Spring Set

ES#4714528 - 051204LA01-A - B9 A4 / S4 Lowering Spring Set - Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. - ECS - Audi

Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4714528
Mfg#:
051204LA01-A
In Stock
ON SALE! SAVE 19%
$308.99

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

$250.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit/Coilover Installation Kit

ES#2762762 - 8K0412377CKT5 - Cup Kit/Coilover Installation Kit - Includes all necessary items for a quick and easy install. - Assembled By ECS - Audi

Includes all necessary items for a quick and easy install. 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#:
2762762
Mfg#:
8K0412377CKT5
Ships on Jul 1, 2026
Auto Notify
ON SALE! SAVE 15%
$381.22

This product was last offered at the strikethrough price on
12-05-2025

$322.62 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8/B8.5 A4/S4 Lowering Spring Set

ES#4620230 - 047330LA01 - B8/B8.5 A4/S4 Lowering Spring Set - Dramatically improve looks and handling with and average lowering up to 1.6" front and rear. - ECS - Audi

Dramatically improve looks and handling with and average lowering up to 1.6" front and rear. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Manufactured 100% in the USA

Brand:
ECS - Corporate Logo
ES#:
4620230
Mfg#:
047330LA01
In Stock
ON SALE!
$285.99

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

$276.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit/Coilover Installation Kit

ES#2581959 - 4F0513353DKT - Cup Kit/Coilover Installation Kit - Includes shock/strut mounts, spring pads, and hardware - Assembled By ECS - Audi

Includes shock/strut mounts, spring pads, and hardware 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#:
2581959
Mfg#:
4F0513353DKT
Ships in 1-2 days
ON SALE! SAVE 10%
$336.99

This product was last offered at the strikethrough price on
04-20-2026

$304.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

OE Sport Springs - Set

ES#1876359 - 50361-55 - OE Sport Springs - Set - Mild lowering for the daily driver. Average lowering of 1.2"F 1.2" R - H&R - Audi

Mild lowering for the daily driver. Average lowering of 1.2"F 1.2" 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#:
1876359
Mfg#:
50361-55
In Stock
$269.99

This product was last offered at the strikethrough price on
02-03-2026

$257.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit/Coilover Installation Kit

ES#3663817 - 8k0412377cktKT6 - Cup Kit/Coilover Installation Kit - Includes 034 Density Line Front Upper Strut Mounts, and all necessary items for a quick and easy install. - Assembled By ECS - Audi

Includes 034 Density Line Front Upper Strut Mounts, and all necessary items for a quick and easy install. 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#:
3663817
Mfg#:
8K0412377CKTKT6
Ships on Jul 1, 2026
Auto Notify
ON SALE! SAVE 14%
$440.44

This product was last offered at the strikethrough price on
12-05-2025

$379.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

H&R VTF Adjustable Lowering Springs

ES#3479162 - 23007-1 - H&R VTF Adjustable Lowering Springs - More lowering, more features, and more personalization! Average Lowering of 0.75 - 1.6" front & rear. - H&R - Audi

More lowering, more features, and more personalization! Average Lowering of 0.75 - 1.6" front & rear. 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! Fits both models with adaptive damping suspension and without - Lowering height will vary between suspension ty

Brand:
H&R - Corporate Logo
ES#:
3479162
Mfg#:
23007-1
Ships in 4 Business Days
22% off MSRP

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

$1150.00

This product was last offered at the strikethrough price on
06-02-2026

$899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Performance Lowering Springs

ES#3247677 - 034-404-1002 - Dynamic+ Performance Lowering Springs - Engineered to improve handling and deliver superb ride quality! - 034Motorsport - Audi

Engineered to improve handling and deliver superb ride quality! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3247677
Mfg#:
034-404-1002
In Stock
$339.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Rubber Rear Shock Mount Kit With Installation Hardware

ES#4821196 - 049313LA01KT - Heavy Duty Rubber Rear Shock Mount Kit With Installation Hardware - Enhance longevity and improve your Audi's handling with our in-house designed HD rubber shock mount kit! - ECS - Audi

Enhance longevity and improve your Audi's handling with our in-house designed HD rubber shock mount kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4821196
Mfg#:
049313LA01KT
In Stock
ON SALE!
$178.28

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

$177.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

H.A.S. - Adjustable Coilover Spring System

ES#2619512 - 25310075 - H.A.S. - Adjustable Coilover Spring System - Retains the use of your factory shocks while providing the ability to adjust ride ride height from 0.6" to 1.8" Front 0.6" to 1.6" Rear - KW Suspension - Audi

Retains the use of your factory shocks while providing the ability to adjust ride ride height from 0.6" to 1.8" Front 0.6" to 1.6" Rear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
KW Suspension - Corporate Logo
ES#:
2619512
Mfg#:
25310075
Ships in 10 Business Days
$1144.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Suspension Install Kit

ES#2762760 - 8K0513353EKT1 - Rear Suspension Install Kit - All hardware and mounts necessary to install new suspension - Assembled By ECS - Audi

All hardware and mounts necessary to install new suspension 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#:
2762760
Mfg#:
8K0513353EKT1
Ships on Jul 1, 2026
Auto Notify
ON SALE! SAVE 19%
$315.20

This product was last offered at the strikethrough price on
12-05-2025

$256.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Suspension Installation Kit

ES#4475958 - 8K0412377C71KT - Front Suspension Installation Kit - Assembled By ECS - Audi

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#:
4475958
Mfg#:
8K0412377C71KT
Ships in 2 Business Days
ON SALE!
$248.88

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

$237.77 USD
Free Shipping
on orders $49 and up
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