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Audi A4 Performance Parts & Upgrades

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Clutch Kit

ES#1327 - RS4CLUTCHKIT - Clutch Kit - Revive the response & feel of your transmission with an RS4 clutch - Assembled By ECS - Audi Volkswagen

Revive the response & feel of your transmission with an RS4 clutch 10X Entries Into Our F80 M3 Sweepstakes
Replacement clutch kit for the RA4 Stage 2 conversion

Brand:
Assembled By ECS - Corporate Logo
ES#:
1327
Mfg#:
RS4CLUTCHKIT
In Stock
ON SALE!
$567.99

This product was last offered at the strikethrough price on
05-20-2026

$527.12 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B6 / B7 Carbon Fiber B-Pillar Trim Set

ES#3662300 - 026331ECS01 - Audi B6 / B7 Carbon Fiber B-Pillar Trim Set - Make your good side great with carbon fiber! - ECS - Audi

Make your good side great with carbon fiber! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3662300
Mfg#:
026331ECS01
In Stock
ON SALE! SAVE 10%
$323.99

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

$291.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Mirror Cap Set - Audi B8 A4/S4 - 8P A3

ES#2816884 - 010257ECS02KT - Carbon Fiber Mirror Cap Set - Audi B8 A4/S4 - 8P A3 - Upgrade your exterior look - ECS - Audi

Upgrade your exterior look 10X Entries Into Our F80 M3 Sweepstakes

For vehicles without lane change assist from the 2010 model year

Brand:
ECS - Corporate Logo
ES#:
2816884
Mfg#:
010257ECS02KT
In Stock
$373.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black

ES#4164511 - 004751la01 - Audi B9 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black - Spice up the exterior of your Audi with gloss black spats! - ECS - Audi

Spice up the exterior of your Audi with gloss black spats! 10X Entries Into Our F80 M3 Sweepstakes

Fits pre-facelift S-Line models up to 2019 model year only

Brand:
ECS - Corporate Logo
ES#:
4164511
Mfg#:
004751LA01
In Stock
ON SALE! SAVE 25%
$133.99

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

$100.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear EP24 "Enthusiast Performance" Brake Pad Set

ES#4739102 - EP24-1898 - Rear EP24 "Enthusiast Performance" Brake Pad Set - This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. - ECS - Audi

This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4739102
Mfg#:
EP24-1898
In Stock
ON SALE! SAVE 26%
$121.99

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

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Exhaust Resonator Delete Section

ES#4848336 - 008553ECS12-01 - ECS Tuning Exhaust Resonator Delete Section - Change out your ECS Tuning B8/8.5 S4/S5 or B9 A4/S4 Valved Exhaust from resonated to non-resonated! - ECS - Audi

Change out your ECS Tuning B8/8.5 S4/S5 or B9 A4/S4 Valved Exhaust from resonated to non-resonated! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4848336
Mfg#:
008553ECS12-01
In Stock
ON SALE! SAVE 10%
$91.99

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

$82.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B14 PSS Suspension System

ES#2984056 - 47-169289 - Bilstein B14 PSS Suspension System - Height adjustable suspension system with performance valving and application specific, progressive rate coil springs. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Height adjustable suspension system with performance valving and application specific, progressive rate coil springs. World-famous Bilstein quality with a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes
Lowers 30-60 mm front, 20-50mm rear

Brand:
Bilstein - Corporate Logo
ES#:
2984056
Mfg#:
47-169289
In Stock
$1299.00 USD
Free Shipping

034Motorsport Wheel Spacer Pair - 15mm

ES#3618566 - 034-604-7005 - 034Motorsport Wheel Spacer Pair - 15mm - Designed to fit most Audi & Volkswagen vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi

Designed to fit most Audi & Volkswagen vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3618566
Mfg#:
034-604-7005
In Stock
$115.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

144mm X 20mm High Performance Basic Connecting Rod 7/16" Bolt (1100HP) - Set Of Four MVLBIL57JG

ES#4781269 - MVLBIL57 - 144mm X 20mm High Performance Basic Connecting Rod 7/16" Bolt (1100HP) - Set Of Four MVLBIL57JG - Designed to withstand up to 1100hp! - SPA Performance - Audi Volkswagen

Designed to withstand up to 1100hp!

Brand:
SPA Performance - Corporate Logo
ES#:
4781269
Mfg#:
MVLBIL57
In Stock
ON SALE!
$319.99

This product was last offered at the strikethrough price on
08-31-2026

$303.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AWE Resonated Performance Downpipe - B8/B8.5 2.0T

ES#4043930 - 3215-11020 - AWE Resonated Performance Downpipe - B8/B8.5 2.0T - Designed using CAD modeling software to produce smooth gradual bends, eliminating flow interference. - AWE - Audi

Designed using CAD modeling software to produce smooth gradual bends, eliminating flow interference. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4043930
Mfg#:
3215-11020
In Stock
5% off MSRP

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

$678.99

This product was last offered at the strikethrough price on
09-20-2026

$645.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Performance Main Bearing Set - Standard

ES#4879763 - 5M5563HX-STD - High Performance Main Bearing Set - Standard - Includes upper and lower bearing shells for a complete main bearing replacement. .001 Oil Clearance. - ACL - Audi Volkswagen

Includes upper and lower bearing shells for a complete main bearing replacement. .001 Oil Clearance.

Brand:
ACL - Corporate Logo
ES#:
4879763
Mfg#:
5M5563HX-STD
In Stock
$149.99

This product was last offered at the strikethrough price on
04-09-2026

$121.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camber Correcting Density Line Control Arm Kit - Front

ES#4159575 - 034-401-1054 - Camber Correcting Density Line Control Arm Kit - Front - Includes lower control arms, upper adjustable control arms, M14 ball joints and all necessary hardware. - 034Motorsport - Audi

Includes lower control arms, upper adjustable control arms, M14 ball joints and all necessary hardware. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with M14 ball joints

Brand:
034Motorsport - Corporate Logo
ES#:
4159575
Mfg#:
034-401-1054
Ships in 2 Business Days
$1276.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 A4 Wheel Spacer Flush Fit Kit - Black Bolts

ES#2951811 - 011326ECS01KT1 - Audi B8 A4 Wheel Spacer Flush Fit Kit - Black Bolts - Includes spacers & Black bolts to obtain a flush look on your OE 18" wheels - ECS - Audi

Includes spacers & Black bolts to obtain a flush look on your OE 18" wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2951811
Mfg#:
011326ECS01KT1
In Stock
ON SALE! SAVE 25%
$304.99

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

$228.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Valvetrain Kit

ES#259702 - SPRK-AUDI18 - Performance Valvetrain Kit - Includes springs, retainers, and spring seats - Supertech - Audi Volkswagen

Includes springs, retainers, and spring seats

Brand:
Supertech - Corporate Logo
ES#:
259702
Mfg#:
SPRK-AUDI18
Back Ordered
20% off MSRP

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

$784.99

This product was last offered at the strikethrough price on
09-20-2026

$628.99 USD
Free Shipping
on orders $49 and up
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.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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