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Audi A4 Performance Parts & Upgrades

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Wheel Spacer & Bolt Kit - 10mm With Black Conical Seat Bolts

ES#2748283 - 002411ECS02AKT1 - Wheel Spacer & Bolt Kit - 10mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels 10X Entries Into Our F80 M3 Sweepstakes
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748283
Mfg#:
002411ECS02AKT1
In Stock
ON SALE! SAVE 10%
$152.99

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

$137.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Kohlefaser Luft-Technik intake System - Audi B8 A4/A5 2.0T

ES#2785229 - 000928ECS01 - Kohlefaser Luft-Technik intake System - Audi B8 A4/A5 2.0T - Engineered for dyno proven performance and show quality looks! - ECS - Audi

Engineered for dyno proven performance and show quality looks! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2785229
Mfg#:
000928ECS01
In Stock
ON SALE! SAVE 20%
$719.99

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

$575.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 12.5mm With Black Conical Seat Bolts

ES#2748285 - 002411ECS02AKT7 - Wheel Spacer & Bolt Kit - 12.5mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels 10X Entries Into Our F80 M3 Sweepstakes
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748285
Mfg#:
002411ECS02AKT7
In Stock
ON SALE! SAVE 30%
$209.99

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

$146.92 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM Front Mount Intercooler Kit

ES#4045994 - JHM-B820TFMIC - JHM Front Mount Intercooler Kit - Featuring a robust 3" thick core, ensuring the best cooling performance possible - Requires no trimming or cutting of the bumper! - JH Motorsports - Audi

Featuring a robust 3" thick core, ensuring the best cooling performance possible - Requires no trimming or cutting of the bumper!

Brand:
JH Motorsports - Corporate Logo
ES#:
4045994
Mfg#:
JHM-B820TFMIC
In Stock
$499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B16 DampTronic Suspension System

ES#4390702 - 49-290868 - Bilstein B16 DampTronic Suspension System - Features ride height adjustability with dampers compatible with OE electronic damping systems. - Bilstein - Audi

Features ride height adjustability with dampers compatible with OE electronic damping systems. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date from 7/12/2016 with 53mm front strut body

Brand:
Bilstein - Corporate Logo
ES#:
4390702
Mfg#:
49-290868
Back Ordered
31% off MSRP

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

$3611.00

This product was last offered at the strikethrough price on
11-04-2026

$2499.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 A4 Pre Facelift Non S-Line Rear Diffuser - Dual Outlet - Gloss Black

ES#4424440 - 012452LA01 - Audi B8 A4 Pre Facelift Non S-Line Rear Diffuser - Dual Outlet - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4424440
Mfg#:
012452LA01
In Stock
ON SALE! SAVE 20%
$420.99

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

$336.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Res-X Resonator Delete

ES#3426672 - 034-105-7044 - 034Motorsport Res-X Resonator Delete - Unleashes a throaty growl and exotic tone that exudes the sound of performance - Deletes front-most resonator - 034Motorsport - Audi

Unleashes a throaty growl and exotic tone that exudes the sound of performance - Deletes front-most resonator 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3426672
Mfg#:
034-105-7044
Back Ordered
$222.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 20mm With Black Ball Seat Bolts

ES#2748197 - ECS10159KTWB1 - ECS Wheel Spacer & Bolt Kit - 20mm With Black Ball Seat Bolts - Exclusively built for your 57.1mm centerbore VW/Audi & Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi & Includes everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748197
Mfg#:
ECS10159KTWB1
In Stock
ON SALE! SAVE 10%
$183.99

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

$165.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Sway Bar Kit

ES#3468733 - 034-402-1012 - Dynamic+ Sway Bar Kit - Features perfectly matched front & rear sway bars to further reduce body roll and enhance steering feel - 034Motorsport - Audi

Features perfectly matched front & rear sway bars to further reduce body roll and enhance steering feel 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3468733
Mfg#:
034-402-1012
In Stock
$711.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 15mm (Pair)

ES#2603079 - 002411ECS03A15KT - ECS Wheel Spacers - 15mm (Pair) - Improve the look of your vehicle with spacers - ECS - Audi BMW Porsche

Improve the look of your vehicle with spacers 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2603079
Mfg#:
002411ECS03A15KT
In Stock
ON SALE! SAVE 30%
$136.99

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

$95.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler - Audi B8.5 A4/S4

ES#3046047 - 013875ECS01A - Carbon Fiber Front Lip Spoiler - Audi B8.5 A4/S4 - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling 10X Entries Into Our F80 M3 Sweepstakes

For S-Line models from the 2013 model year (Facelift)

Brand:
ECS - Corporate Logo
ES#:
3046047
Mfg#:
013875ECS01A
In Stock
ON SALE! SAVE 20%
$999.99

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

$799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear HPS 5.0 Performance Brake Pad Set

ES#4000469 - HB866B.652 - Rear HPS 5.0 Performance Brake Pad Set - Next generation high performance street brake pad offering greater stopping power and pedal feel, with very low dust. - Hawk - Audi

Next generation high performance street brake pad offering greater stopping power and pedal feel, with very low dust.

Brand:
Hawk - Corporate Logo
ES#:
4000469
Mfg#:
HB866B.652
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.

$219.99

This product was last offered at the strikethrough price on
11-04-2026

$197.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Sport Lower Control Arm Kit CTS Turbo

ES#4743108 - CTS-SUS-3006 - CTS Turbo Sport Lower Control Arm Kit CTS Turbo - Features sturdier durometer bushings, providing increased confidence and stability during cornering. - CTS - Audi

Features sturdier durometer bushings, providing increased confidence and stability during cornering. Fits models from production date 11/3/2009 (M14 Ball Joints)

Brand:
CTS - Corporate Logo
ES#:
4743108
Mfg#:
CTS-SUS-3006
Ships in 7 Business Days
ON SALE! SAVE 15%
$479.99

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

$407.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Bushing Insert Kit

ES#3170153 - 019209ECS01 - Transmission Mount Bushing Insert Kit - Decrease transmission mount slop for better drivetrain response! - ECS - Audi

Decrease transmission mount slop for better drivetrain response! 10X Entries Into Our F80 M3 Sweepstakes

Does not fit manual transmission models

Brand:
ECS - Corporate Logo
ES#:
3170153
Mfg#:
019209ECS01
In Stock
ON SALE! SAVE 20%
$93.99

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

$75.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Front Strut Brace - Audi B9 A4/A5/S4/S5/RS5

ES#3188267 - 019218ECS01 - Billet Aluminum Front Strut Brace - Audi B9 A4/A5/S4/S5/RS5 - Provides additional support to the strut towers for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the strut towers for flex reduction to enhance your driving experience 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3188267
Mfg#:
019218ECS01
In Stock
ON SALE!
$306.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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