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Audi A4 Performance Parts & Upgrades

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ECS Wheel Spacer And Bolt Kit - 8mm With Black Ball Seat Bolts

ES#2748189 - ECS10612KTWB1 - ECS Wheel Spacer And Bolt Kit - 8mm With Black Ball Seat Bolts - Comes with everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Comes with everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2748189
Mfg#:
ECS10612KTWB1
In Stock
ON SALE! SAVE 25%
$134.99

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

$101.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo B8/B8.5 2.0T BOSS 600 Turbo Kit

ES#4017688 - CTS-B8A4-BOSS600 - CTS Turbo B8/B8.5 2.0T BOSS 600 Turbo Kit - A big turbo kit that is truly bolt-on! - This kit replaces the factory turbo and is made to work with most of your installed parts - CTS - Audi

A big turbo kit that is truly bolt-on! - This kit replaces the factory turbo and is made to work with most of your installed parts *Does not include fueling, charge pipe setup, or tuning - Proper software is required*

Brand:
CTS - Corporate Logo
ES#:
4017688
Mfg#:
CTS-B8A4-BOSS600
Ships in 7 Business Days
$2899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B7 A4 2.0T Cat-Back Exhaust System - Resonated

ES#2917843 - SSXAU517 - B7 A4 2.0T Cat-Back Exhaust System - Resonated - 2.5" stainless steel with dual GT 100mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual GT 100mm polished tips Automatic transmission only

Brand:
Milltek Sport - Corporate Logo
ES#:
2917843
Mfg#:
SSXAU517
Ships in 5 Business Days
ON SALE! SAVE 10%
$1606.99

This product was last offered at the strikethrough price on
09-18-2026

$1445.46 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Resonator Delete Kit

ES#4830681 - CTS-EXH-TP-0011 - Resonator Delete Kit - Installing this part allows for a subtle exhaust sound increase on your factory exhaust - CTS - Audi

Installing this part allows for a subtle exhaust sound increase on your factory exhaust

Brand:
CTS - Corporate Logo
ES#:
4830681
Mfg#:
CTS-EXH-TP-0011
Back Ordered
$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 S4 Pre-facelift Rear Diffuser & Trunk Spoiler

ES#4751215 - 026861ECS01EB2KT - Audi B8 S4 Pre-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 pre-facelift B8 S-Line models with quad tips only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751215
Mfg#:
026861ECS01EB2KT
In Stock
ON SALE! SAVE 35%
$733.99

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

$478.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Motorsport Street Density Motor Mount Kit

ES#2864596 - 034-509-0005 - Motorsport Street Density Motor Mount Kit - The ultimate in performance and durability - 034Motorsport - Audi Volkswagen

The ultimate in performance and durability 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864596
Mfg#:
034-509-0005
In Stock
$359.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 A4/A5 4" Direct-Fit Exhaust Tips - Chrome - Pair

ES#3476950 - 019490ecs02KT - B9 A4/A5 4" Direct-Fit Exhaust Tips - Chrome - Pair - A pair of direct-fit exhaust tips for the B9 A4/A5. No modifications necessary - ECS - Audi

A pair of direct-fit exhaust tips for the B9 A4/A5. No modifications necessary 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3476950
Mfg#:
019490ECS02KT
In Stock
ON SALE!
$147.98

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

$143.54 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 Into Our F80 M3 Sweepstakes

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

Brand:
ECS - Corporate Logo
ES#:
2807488
Mfg#:
003485ECS01AKT6
Ships on Nov 13, 2026
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

2.0T Coil Pack Conversion Kit - Stage 1

ES#2713399 - 002598ECS09KT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes anodized black conversion plate -w- red 2.0T coils - ECS - Audi Volkswagen

Includes anodized black conversion plate -w- red 2.0T coils 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713399
Mfg#:
002598ECS09KT
In Stock
ON SALE!
$292.99

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

$284.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2863234 - 002403ECS02AKT4 - Wheel Spacer & Bolt Kit - 12.5mm - With Dust Cap - with Black Conical 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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2863234
Mfg#:
002403ECS02AKT4
In Stock
ON SALE! SAVE 15%
$156.99

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

$133.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

X-Clear Driveshaft Tunnel Brace

ES#4381925 - 034-603-0030 - X-Clear Driveshaft Tunnel Brace - Allows for a larger diameter exhaust to be installed without causing excessive rattling or vibration. - 034Motorsport - Audi

Allows for a larger diameter exhaust to be installed without causing excessive rattling or vibration. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4381925
Mfg#:
034-603-0030
In Stock
$140.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Intercooler Hose Kit

ES#4877094 - B820TICHOSEKIT - Silicone Intercooler Hose Kit - Eliminate expansion and deformation even under high boost conditions - JH Motorsports - Audi

Eliminate expansion and deformation even under high boost conditions

Brand:
JH Motorsports - Corporate Logo
ES#:
4877094
Mfg#:
B820TICHOSEKIT
In Stock
$175.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front BBK (Big Brake Kit) JHM 330mm Cayenne (Brembo 6-piston)

Finally a low cost front Big Brake kit solution that uses the popular Porsche Cayenne caliper (6-piston Brembo).

Brand:
JH Motorsports - Corporate Logo
ES#:
4046028
Mfg#:
BBK-1019X330X32
Ships in 10 Business Days
$2799.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ST XA Coilover Kit - Adjustable Dampening

ES#4389619 - 182100BH - ST XA Coilover Kit - Adjustable Dampening - ST XTA coilovers offer high performance handling with adjustable rebound dampening. - Suspension Techniques - Audi

ST XTA coilovers offer high performance handling with adjustable rebound dampening. For models with build date up to 7/11/16, w/ 53mm front strut body

Brand:
Suspension Techniques - Corporate Logo
ES#:
4389619
Mfg#:
182100BH
Ships in 4 Business Days
$1399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Carbon Fiber Exterior Package

ES#3236268 - 019196ecs01KT - Complete Carbon Fiber Exterior Package - Revamp your B9 A4 S-Line with a complete hand-laid carbon fiber kit - ECS - Audi

Revamp your B9 A4 S-Line with a complete hand-laid carbon fiber kit 10X Entries Into Our F80 M3 Sweepstakes
Save an additional $100 with this exclusive bundle!

Brand:
ECS - Corporate Logo
ES#:
3236268
Mfg#:
019196ECS01KT
Ships on Feb 19, 2027
ON SALE! SAVE 21%
$3520.69

This product was last offered at the strikethrough price on
04-13-2026

$2792.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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