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Audi A4 Performance Parts & Upgrades

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Audi B7/B8/B9/8V Modular No Holes License Plate/Tow Hook/Camera Mount System

ES#3614251 - 001912C0116A - Audi B7/B8/B9/8V Modular No Holes License Plate/Tow Hook/Camera Mount System - Everything a Euro-enthusiast desires from your factory tow hook mount! Modular system with attachments: ultra-strong tow hook, adjustable license plate bracket, dynamic camera mount. - ECS - Audi

Everything a Euro-enthusiast desires from your factory tow hook mount! Modular system with attachments: ultra-strong tow hook, adjustable license plate bracket, dynamic camera mount. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3614251
Mfg#:
001912C0116A
In Stock
ON SALE!
Starting at $46.74 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B9.5 Mid-Facelift S4/A4 S-Line Front Chin Spoilers - Gloss Black

ES#4338535 - 007041la01KT1 - B9.5 Mid-Facelift S4/A4 S-Line Front Chin Spoilers - Gloss Black - Upgrade your exterior styling! - ECS - Audi

Upgrade your exterior styling! 10X Entries For Our 25th Anniversary Sweepstakes!

Fits 2019 Mid-Facelift S-Line Bumpers

Brand:
ECS - Corporate Logo
ES#:
4338535
Mfg#:
007041LA01KT1
In Stock
ON SALE! SAVE 25%
$283.99

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

$212.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 15mm With Ball Seat Bolts

ES#250727 - ECS10157KTWB - ECS Wheel Spacer & Bolt Kit - 15mm With Ball Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
250727
Mfg#:
ECS10157KTWB
In Stock
ON SALE! SAVE 20%
$167.99

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

$134.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 8mm With Black Conical Seat Bolts

ES#2748281 - 6-ECS-018 - Wheel Spacer & Bolt Kit - 8mm 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 For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748281
Mfg#:
6-ECS-018
In Stock
ON SALE!
$134.99

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

$128.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Carbon Fiber Intake System 2.0TSI B9 A4/A5

ES#4362349 - UH016-INA - Unitronic Carbon Fiber Intake System 2.0TSI B9 A4/A5 - Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle. - Unitronic - Audi

Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle.

Brand:
Unitronic - Corporate Logo
ES#:
4362349
Mfg#:
UH016-INA
Ships in 6 Business Days
$1469.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#850 - 29368BSC - Sport Cup Kit - H&R Springs With Bilstein Shocks & Struts - Average lowering of 1.7"F 1.6"R - Assembled By ECS - Audi

Average lowering of 1.7"F 1.6"R 10X Entries For Our 25th Anniversary Sweepstakes!
Sedan & Avant models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
850
Mfg#:
29368BSC
In Stock
$1035.00

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

$975.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 17.5mm With Ball Seat Bolts

ES#2177175 - 6-ECS-023 - Wheel Spacer & Bolt Kit - 17.5mm With Ball Seat Bolts - Add some style to your Audi with these wheel spacers - ECS - Audi

Add some style to your Audi with these wheel spacers 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2177175
Mfg#:
6-ECS-023
In Stock
ON SALE! SAVE 25%
$173.99

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

$130.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing Kit - Polished

ES#2723775 - 003602ECS01A03A - Billet Aluminum Oil Filter Housing Kit - Polished - Aluminum oil filter housing replacement for plastic OE housing - ECS - Audi Volkswagen

Aluminum oil filter housing replacement for plastic OE housing 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2723775
Mfg#:
003602ECS01A03A
Ships on Sep 23, 2026
Auto Notify
ON SALE! SAVE 10%
$144.99

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

$130.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cold Air Intake Stage 1

ES#2192982 - CI100023 - Cold Air Intake Stage 1 - Looks as great as it performs - APR - Audi

Looks as great as it performs Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
2192982
Mfg#:
CI100023
EO#:
d-783-2
Back Ordered
11% off MSRP

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

$806.99

This product was last offered at the strikethrough price on
07-26-2026

$716.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175269 - 251126 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust Fits manual transmission models only - To be used with 2.5" aftermarket exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175269
Mfg#:
251126
Ships in 9 Business Days
Auto Notify
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

performance Lightweight Flywheel Kit - Stage 2 Endurance

ES#2807488 - 003485ECS01AKT6 - performance Lightweight Flywheel Kit - Stage 2 Endurance - ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 440ft/lbs - ECS - Audi

ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 440ft/lbs 10X Entries For Our 25th Anniversary Sweepstakes!

Up to VIN 8K-9-066499, split is in the 2009 model year

Brand:
ECS - Corporate Logo
ES#:
2807488
Mfg#:
003485ECS01AKT6
Ships on Sep 25, 2026
Auto Notify
ON SALE! SAVE 10%
$3168.99

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

$2852.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Rear Subframe Bushing Kit

ES#3178069 - 034-601-0011 - Billet Rear Subframe Bushing Kit - Maintain proper suspension geometry when cornering and reduce rear subframe movement - 034Motorsport - Audi

Maintain proper suspension geometry when cornering and reduce rear subframe movement

Brand:
034Motorsport - Corporate Logo
ES#:
3178069
Mfg#:
034-601-0011
Ships in 3 Business Days
$285.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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