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Audi S4 Performance Parts & Upgrades

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ES#3199717 - 034-401-1045 - Full Density Line Front Control Arm Kit - Includes new control arms with Density Line control arm bushings, ball joints, and hardware - 034Motorsport - Audi

Includes new control arms with Density Line control arm bushings, ball joints, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models from production date 11/3/2009 (M14 Ball Joints) - Please verify existing prior to ordering

Brand:
034Motorsport - Corporate Logo
ES#:
3199717
Mfg#:
034-401-1045
In Stock
$964.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3478463 - 025412ECS01 - Adjustable Damping Performance Coilover System - Audi B8/B8.5 - Take control of your ride while going low with our sport-tuned coilover system! - ECS - Audi

Take control of your ride while going low with our sport-tuned coilover system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code with coilover systems.

Brand:
ECS - Corporate Logo
ES#:
3478463
Mfg#:
025412ECS01
In Stock
ON SALE! SAVE 41%
$1154.99

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

$679.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4376068 - 012616la01KT - B8 S4/S5/Q5 3.0T Downpipes With Integrated X-Pipe - Change the tone of your 3.0T exhaust with easy-to-install downpipes that mate to your factory cat-back exhaust. - ECS - Audi

Change the tone of your 3.0T exhaust with easy-to-install downpipes that mate to your factory cat-back exhaust. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4376068
Mfg#:
012616LA01KT
In Stock
ON SALE! SAVE 25%
$599.99

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

$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4147363 - 028807ecs01KT - Audi B8.5 S4 / A4 S-Line Rear Diffuser - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits facelift B8.5 (2013+) models only

Brand:
ECS - Corporate Logo
ES#:
4147363
Mfg#:
028807ECS01KT
In Stock
ON SALE! SAVE 25%
$399.99

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

$299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4017702 - CTS-IT-300R -  CTS Turbo Air Intake System - True 3.5" Velocity Stack - NEW UPDATED DESIGN! True 3.5 intake for maximum airflow - 3.5" mandrel bent piping with huge 6 velocity stack air filter! - CTS - Audi

NEW UPDATED DESIGN! True 3.5″ intake for maximum airflow - 3.5" mandrel bent piping with huge 6″ velocity stack air filter! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4017702
Mfg#:
CTS-IT-300R
In Stock
$329.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4733652 - 034-108-5046 - S34 SuperDuper Insuction Bundle - Delivers improved power, sound, and acceleration to Audi B9/B9.5 S4/S5 owners within a clean, cost-effective package. - 034Motorsport - Audi

Delivers improved power, sound, and acceleration to Audi B9/B9.5 S4/S5 owners within a clean, cost-effective package. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4733652
Mfg#:
034-108-5046
In Stock
$613.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4327286 - 1160500189/HD - Complete High Durability Front Control Arm Kit - Keep your suspension in top shape - Includes all front control arms, ball joints, and hardware - Meyle HD - Audi Porsche
ECS Tuning recommends this product.

Keep your suspension in top shape - Includes all front control arms, ball joints, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits models from production date 8/16/2011 (M14 Ball Joints) - Please verify existing prior to ordering

Brand:
Meyle HD - Corporate Logo
ES#:
4327286
Mfg#:
1160500189/HD
In Stock
ON SALE! SAVE 12%
$1140.00

This product was last offered at the strikethrough price on
01-06-2026

$999.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2777320 - s1au006 - Solo-Werks S1 Coilovers  - Set your vehicle low and tight for optimal performance - Solo-Werks - Audi

Set your vehicle low and tight for optimal performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Lowering front: .5" - 2.5", rear: .5" - 2.5"

Brand:
Solo-Werks - Corporate Logo
ES#:
2777320
Mfg#:
S1AU006
In Stock
$599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4726503 - AWEB8S4TK - AWE Track Edition Exhaust System - B8/B8.5 S4 3.0T - Equipped with the same precision-engineering as its Touring Edition counterpart, minus the 180 Technology resonators in the rear. - AWE - Audi

Equipped with the same precision-engineering as its Touring Edition counterpart, minus the 180 Technology® resonators in the rear. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4726503
Mfg#:
AWEB8S4TK
In Stock
Starting at $1345.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3199970 - 034-401-1043 - Density Line Front Lower Control Arm Kit - Includes new lower control arms with Density Line control arm bushings, M14 ball joints, and hardware - 034Motorsport - Audi Porsche

Includes new lower control arms with Density Line control arm bushings, M14 ball joints, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models from production date 11/3/2009 (M14 Ball Joints)

Brand:
034Motorsport - Corporate Logo
ES#:
3199970
Mfg#:
034-401-1043
In Stock
$638.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4164657 - 028806ecs01KT - Audi B8.5 S4 / A4 S-Line Facelift Front Lip - Gloss Black - Upgrade your exterior styling! - ECS - Audi

Upgrade your exterior styling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles from the 2013 model year (Facelift)

Brand:
ECS - Corporate Logo
ES#:
4164657
Mfg#:
028806ECS01KT
In Stock
ON SALE! SAVE 35%
$381.09

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

$249.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4809661 - 048470LA01KT - ECS Tuning B8 3.0T Stage 2 Performance Clutch Kit with Lightweight Flywheel (18.3lbs) - The best value for Heavy Duty OE Replacement and Stage 2 Power Levels! Capable of holding 475 Ft/Lbs of crank torque. - ECS - Audi

The best value for Heavy Duty OE Replacement and Stage 2 Power Levels! Capable of holding 475 Ft/Lbs of crank torque. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4809661
Mfg#:
048470LA01KT
Back Ordered
Auto Notify
ON SALE! SAVE 32%
$2587.49

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

$1749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4474122 - 000745lA01 - B9 A4/A5/S4/S5 Quattro Adjustable Damping Coilovers - Features 32 way adjustable damping, variable length and zinc-coated shock bodies - ECS - Audi

Features 32 way adjustable damping, variable length and zinc-coated shock bodies affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Models with Dynamic Chassis Control (DCC) will require DCC Cancelers

Brand:
ECS - Corporate Logo
ES#:
4474122
Mfg#:
000745LA01
In Stock
ON SALE! SAVE 35%
$1154.99

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

$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4505840 - IETPCK1-BK - FDS Front-Mount Intercooler Kit - Black  - Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4505840
Mfg#:
IETPCK1-BK
Ships in 8 Business Days
$1034.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4056580 - 006077LA01 - Audi B9 S4 Rear Diffuser - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits pre-facelift models (up to 2019) without integrated tips in the rear valance

Brand:
ECS - Corporate Logo
ES#:
4056580
Mfg#:
006077LA01
In Stock
ON SALE! SAVE 27%
$411.99

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

$299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4745528 - 034-401-1074 - Density Line Control Arm Kit - Non-Adjustable - Drop in upgrade for upper and lower control arms - 034Motorsport - Audi

Drop in upgrade for upper and lower control arms affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4745528
Mfg#:
034-401-1074
In Stock
$1026.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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