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Audi A4 Performance Parts & Upgrades

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ES#2792697 - 002948ECS01KT3 -  RA4 Conversion Clutch Kit - Stage 2 - ECS RA4 Lightweight Flywheel with the Spec Stage II clutch kit rated at 498ft/lbs - ECS - Audi

ECS RA4 Lightweight Flywheel with the Spec Stage II clutch kit rated at 498ft/lbs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2792697
Mfg#:
002948ECS01KT3
Ships in 4 Business Days
ON SALE!
$1838.99

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

$1783.82 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4044452 - 024846ecs01KT1 - Audi B8.5 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 2013+ A4 S-Line and S4 rear bumpers

Brand:
ECS - Corporate Logo
ES#:
4044452
Mfg#:
024846ECS01KT1
In Stock
ON SALE! SAVE 25%
$139.99

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

$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 15%
$91.99

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

$78.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2931544 - 003326ecs01-02KT -  Performance Caliper Guide Bushing Set - Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. - ECS - Audi Volkswagen

Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. 10X Entries Into Our F80 M3 Sweepstakes
Industry leading design for maximum performance with minimal maintenance!

Brand:
ECS - Corporate Logo
ES#:
2931544
Mfg#:
003326ECS01-02KT
In Stock
ON SALE! SAVE 25%
$169.99

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

$127.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1303171 - 29061-2 - OE Sport Springs Set - Unrivaled comfort and performance. Average lowering of 0.9"F 0.8"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 0.9"F 0.8"R We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
1303171
Mfg#:
29061-2
In Stock
15% off MSRP

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

$439.00

This product was last offered at the strikethrough price on
10-01-2026

$373.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2804052 - 001467ECS01KT1 - Ball Seat Stud Conversion Kit - Make wheel changes faster and easier - ECS - Audi Volkswagen

Make wheel changes faster and easier 10X Entries Into Our F80 M3 Sweepstakes
For use with ball seat wheels and up to 20mm spacers only

Brand:
ECS - Corporate Logo
ES#:
2804052
Mfg#:
001467ECS01KT1
In Stock
ON SALE! SAVE 11%
$201.99

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

$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2864552 - 034-105-4021 - 3" High Flow Catalytic Converter - complete drop-in upgrade will bolt up to stock/Stock Fit Turbo - 034Motorsport - Audi

complete drop-in upgrade will bolt up to stock/Stock Fit Turbo 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864552
Mfg#:
034-105-4021
In Stock
$474.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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
ES#2586485 - SM100004KT -  Performance Engine Mount Kit - Audi B6/B7 A4 - Includes upgraded RS4 motor mounts, ECS polyurethane snub mount and hardware - Assembled By ECS - Audi

Includes upgraded RS4 motor mounts, ECS polyurethane snub mount and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586485
Mfg#:
SM100004KT
In Stock
ON SALE!
$265.99

This product was last offered at the strikethrough price on
06-16-2026

$245.91 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5336660 - 056059la09-4KT - ECS Performance Ignition Coils - Set Of Four - Increased energy output over OE coils for a stronger, more consistent spark! - ECS - Audi Volkswagen

Increased energy output over OE coils for a stronger, more consistent spark! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5336660
Mfg#:
056059LA09-4KT
In Stock
ON SALE! SAVE 20%
$143.99

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

$115.17 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3479162 - 23007-1 - H&R VTF Adjustable Lowering Springs - More lowering, more features, and more personalization! Average Lowering of 0.75 - 1.6" front & rear. - H&R - Audi

More lowering, more features, and more personalization! Average Lowering of 0.75 - 1.6" front & rear. We Price Match - Give Us A Call or Chat! Fits both models with adaptive damping suspension and without - Lowering height will vary between suspension ty

Brand:
H&R - Corporate Logo
ES#:
3479162
Mfg#:
23007-1
Ships in 4 Business Days
10% off MSRP

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

$1150.00

This product was last offered at the strikethrough price on
10-01-2026

$1035.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2848072 - CTSCCB8.5TFSi - Billet Catch Can Kit - Reduce oil deposits that lower performance - CTS - Audi

Reduce oil deposits that lower performance From the 2013 model year

Brand:
CTS - Corporate Logo
ES#:
2848072
Mfg#:
CTSCCB8.5TFSI
In Stock
ON SALE! SAVE 15%
$499.99

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

$424.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5338625 - 056059la08-4KT - ECS Performance Ignition Coils - Set Of Four - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - ECS - Audi Volkswagen

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! 10X Entries Into Our F80 M3 Sweepstakes
For Vehicles with Engine Codes ATW and AEB (Bolt-In Style Ignition Coils)

Brand:
ECS - Corporate Logo
ES#:
5338625
Mfg#:
056059LA08-4KT
In Stock
ON SALE! SAVE 20%
$143.99

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

$115.17 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2864589 - 034-402-4004 - Adjustable rear Sway Bar End Links - Pair - Replace your flimsy, sloppy OEM sway bar end links with these performance engineered adjustable spherical endlinks - 034Motorsport - Audi

Replace your flimsy, sloppy OEM sway bar end links with these performance engineered adjustable spherical endlinks 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864589
Mfg#:
034-402-4004
In Stock
$240.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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