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Audi A4 Performance Parts & Upgrades

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Billet Performance Rear Sway Bar End Links - Audi B8/Porsche Macan

ES#4043135 - 025180ECS02 - Billet Performance Rear Sway Bar End Links - Audi B8/Porsche Macan - Replace the flimsy stock plastic and rubber units - ECS - Audi Porsche

Replace the flimsy stock plastic and rubber units 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4043135
Mfg#:
025180ECS02
In Stock
ON SALE! SAVE 20%
$224.99

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

$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler

ES#4751213 - 026861ECS01EBKT - Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler - Add some aggressive styling to your Audi! - Enthusiast Bundles - Audi

Add some aggressive styling to your Audi! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
Fits facelift B8.5 (2013+) S-Line models with quad tips only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751213
Mfg#:
026861ECS01EBKT
In Stock
ON SALE! SAVE 49%
$785.48

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

$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Transmission Mount

ES#3199888 - 0345094025 - Street Density Transmission Mount - Improve the performance of the factory transmission mount - 034Motorsport - Audi

Improve the performance of the factory transmission mount

Brand:
034Motorsport - Corporate Logo
ES#:
3199888
Mfg#:
0345094025
In Stock
$44.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMS Pedal Tuner

ES#3998870 - BPT-VA1 - BMS Pedal Tuner - Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience! - Burger Motorsports - Audi Volkswagen

Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience!

Brand:
Burger Motorsports - Corporate Logo
ES#:
3998870
Mfg#:
BPT-VA1
Ships in 2 Business Days
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Adjustable Rear Sway Bar

ES#3241098 - 034-402-1010 - Dynamic+ Adjustable Rear Sway Bar - Designed to combat understeer while reducing body roll under hard cornering! - 034Motorsport - Audi

Designed to combat understeer while reducing body roll under hard cornering!

Brand:
034Motorsport - Corporate Logo
ES#:
3241098
Mfg#:
034-402-1010
In Stock
$354.00 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 For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4424440
Mfg#:
012452LA01
In Stock
ON SALE! SAVE 15%
$420.99

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

$357.84 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 For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2603079
Mfg#:
002411ECS03A15KT
In Stock
ON SALE! SAVE 25%
$136.99

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

$102.74 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 For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2785229
Mfg#:
000928ECS01
Ships on Sep 4, 2026
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

ECS "Stage 4" Front Big Brake Kit - B5/B6/B7/C5

ES#1896 - B5S4S4BBKRXS - ECS "Stage 4" Front Big Brake Kit - B5/B6/B7/C5 - Enhance braking performance with this plug-and-play upgrade! Featuring massive 6-piston calipers, lightweight 2-piece brake rotors, and all components needed for installation. - ECS - Audi

Enhance braking performance with this plug-and-play upgrade! Featuring massive 6-piston calipers, lightweight 2-piece brake rotors, and all components needed for installation. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
1896
Mfg#:
B5S4S4BBKRXS
In Stock
ON SALE!
$2039.99

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

$1937.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Dynamic+ Billet Adjustable Front Sway Bar End Links

ES#4381944 - 034-402-4033 - Dynamic+ Billet Adjustable Front Sway Bar End Links - Replace your flimsy, imprecise OEM sway bar end links with these performance engineered Dynamic+ Billet Adjustable Front Sway Bar End Links from 034Motorsport - 034Motorsport - Audi

Replace your flimsy, imprecise OEM sway bar end links with these performance engineered Dynamic+ Billet Adjustable Front Sway Bar End Links from 034Motorsport

Brand:
034Motorsport - Corporate Logo
ES#:
4381944
Mfg#:
034-402-4033
Back Ordered
Auto Notify
$168.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B5/B6/B7 A4/S4 Street Shield Skid Plate Kit

ES#4840231 - 030456la01KT - Audi B5/B6/B7 A4/S4 Street Shield Skid Plate Kit - Protect vital drivetrain and chassis components from costly damage with this durable 7GA aluminum skid plate! - ECS - Audi Volkswagen

Protect vital drivetrain and chassis components from costly damage with this durable 7GA aluminum skid plate! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4840231
Mfg#:
030456LA01KT
Ships in 5 Business Days
ON SALE!
$396.99

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

$385.08 USD
This product is lifetime replacement eligible Lifetime Replacement

P3 Gauge - Audi A4/S4/RS4/A5/S5/RS5 B8

ES#4070773 - L3P3AB8X - P3 Gauge - Audi A4/S4/RS4/A5/S5/RS5 B8 - Powerful plug-and-play multifunction display. - P3 Gauges - Audi

Powerful plug-and-play multifunction display.

Brand:
P3 Gauges - Corporate Logo
ES#:
4070773
Mfg#:
L3P3AB8X
In Stock
$389.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AWE ColdFront Intercooler - Audi B9 S4/S5 3.0T

ES#4044047 - 4510-11060 - AWE ColdFront Intercooler - Audi B9 S4/S5 3.0T - Offers a 130% increase in frontal surface area and a massive 83% increase in volume over the factory B9 intercooler - AWE - Audi

Offers a 130% increase in frontal surface area and a massive 83% increase in volume over the factory B9 intercooler

Brand:
AWE - Corporate Logo
ES#:
4044047
Mfg#:
4510-11060
In Stock
$945.00 USD
This product is lifetime replacement eligible Lifetime Replacement

EA888 1.8T/2.0T Gen3 Aluminum Intake Manifold Kit

ES#4315775 - 024522ECS02 - EA888 1.8T/2.0T Gen3 Aluminum Intake Manifold Kit - Features a +53% increase in plenum volume, +8% CFM airflow, 5-axis billet intake runners, MPI provisions, CNC-machined flanges, and WMI/NOS ports. - ECS - Audi Volkswagen

Features a +53% increase in plenum volume, +8% CFM airflow, 5-axis billet intake runners, MPI provisions, CNC-machined flanges, and WMI/NOS ports. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4315775
Mfg#:
024522ECS02
Ships on Aug 28, 2026
ON SALE!
Starting at $944.88 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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