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Audi A4 Performance Parts & Upgrades

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Luft-Technik B8 A4/A5 2.0T Front Mount Intercooler and Charge Pipe System

ES#3108011 - 002894ECS01KT1 - Luft-Technik B8 A4/A5 2.0T Front Mount Intercooler and Charge Pipe System - Gains of up to 13 WHP and 10 Ft-Lbs of wheel torque over APR Stage 1! - ECS - Audi

Gains of up to 13 WHP and 10 Ft-Lbs of wheel torque over APR Stage 1! 10X Entries For Our 25th Anniversary Sweepstakes!
For direct-fit use with factory turbocharger 3 bolt flange - Modifications may be necessary if paired wit

Brand:
ECS - Corporate Logo
ES#:
3108011
Mfg#:
002894ECS01KT1
In Stock
ON SALE! SAVE 15%
$1008.99

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

$857.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 Front Lip Spoiler - Gloss Black

ES#4147652 - 028802ecs01KT - Audi B9 A4/S4 Front Lip Spoiler - Gloss Black - Upgrade your exterior styling! - ECS - Audi

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

For S-Line models only. Fits up to 2019 model year with *pre-facelift* front bumpers

Brand:
ECS - Corporate Logo
ES#:
4147652
Mfg#:
028802ECS01KT
In Stock
ON SALE! SAVE 25%
$378.99

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

$284.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

60A Solid Rubber OEM+ Engine Mount Kit - Audi B8 A4/S4/A5/S5/Q5/SQ5 C7 A6/A7

ES#4736298 - 039803la01KT - 60A Solid Rubber OEM+ Engine Mount Kit - Audi B8 A4/S4/A5/S5/Q5/SQ5 C7 A6/A7 - 60A Durometer solid rubber that eliminates the soft and leak prone factory engine mounts. - ECS - Audi

60A Durometer solid rubber that eliminates the soft and leak prone factory engine mounts. 10X Entries For Our 25th Anniversary Sweepstakes!

Not for vehicles with 6-speed Tiptronic transmission.

Brand:
ECS - Corporate Logo
ES#:
4736298
Mfg#:
039803LA01KT
In Stock
ON SALE!
$540.99

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

$513.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Damping Performance Coilover System - Audi B6/B7 A4/S4

ES#3624746 - 027966ECS01 - Adjustable Damping Performance Coilover System - Audi B6/B7 A4/S4 - Take control of your ride while going low with our sport-tuned coilover system! - ECS - Audi

Take control of your ride while going low with our sport-tuned coilover system! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3624746
Mfg#:
027966ECS01
In Stock
ON SALE! SAVE 32%
$994.99

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

$679.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Integrated Engineering Cold Air Intake System

ES#3621956 - IEINCG1 - Integrated Engineering Cold Air Intake System - Add horsepower, torque, sound, and throttle response to your B8/B8.5 A4/A5 2.0t! - Integrated Engineering - Audi

Add horsepower, torque, sound, and throttle response to your B8/B8.5 A4/A5 2.0t! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3621956
Mfg#:
IEINCG1
In Stock
$419.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 S4 Trunk Spoiler - Gloss Black

ES#3619834 - 026861ECS01 - Audi B8/B8.5 S4 Trunk Spoiler - 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!

For vehicles with an integrated trunk spoiler

Brand:
ECS - Corporate Logo
ES#:
3619834
Mfg#:
026861ECS01
In Stock
ON SALE! SAVE 25%
$327.99

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

$245.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 T304 Stainless Steel 3.0" Downpipe

ES#3690264 - 021616ecs01KT - B9 T304 Stainless Steel 3.0" Downpipe - Let your engine breathe and growl with our front resonator delete! - ECS - Audi

Let your engine breathe and growl with our front resonator delete! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3690264
Mfg#:
021616ECS01KT
Ships on Aug 17, 2026
Auto Notify
ON SALE! SAVE 25%
$509.99

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

$382.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4 S-Line Pre-Facelift Rear Diffuser - Gloss Black

ES#4265351 - 008480LA01 - Audi B9 A4 S-Line Pre-Facelift Rear Diffuser - 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!
Fits pre-facelift, S-line models (up to 2018), without integrated tips in the rear valance

Brand:
ECS - Corporate Logo
ES#:
4265351
Mfg#:
008480LA01
In Stock
ON SALE! SAVE 20%
$430.99

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

$344.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Ultralink At-Home Tuning Cable (Flashing Device Only - Tuning Not Included)

ES#4759009 - EM100040 - APR Ultralink At-Home Tuning Cable (Flashing Device Only - Tuning Not Included) - Tuning your vehicle with APR Software has never been easier thanks to the APR Ultralink! - APR - Audi Volkswagen Porsche

Tuning your vehicle with APR Software has never been easier thanks to the APR Ultralink! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
Only available for purchase in the United States and Canada.

Brand:
APR - Corporate Logo
ES#:
4759009
Mfg#:
EM100040
In Stock
$139.95 USD
Free Shipping

Billet Aluminum Transmission Mount Insert

ES#3176060 - 034-509-4053 - Billet Aluminum Transmission Mount Insert - This billet aluminum insert is designed to fill the large void in the factory transmission mount - 034Motorsport - Audi

This billet aluminum insert is designed to fill the large void in the factory transmission mount

Brand:
034Motorsport - Corporate Logo
ES#:
3176060
Mfg#:
034-509-4053
In Stock
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi Atmospheric Diverter Valve Spacer - Red

ES#3551285 - 021828ECS01-03 - VW/Audi Atmospheric Diverter Valve Spacer - Red - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3551285
Mfg#:
021828ECS01-03
In Stock
ON SALE! SAVE 25%
$86.99

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

$65.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2748286 - 002411ECS03AKT3 - Wheel Spacer & Bolt Kit - 15mm With Black Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install 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#:
2748286
Mfg#:
002411ECS03AKT3
In Stock
ON SALE! SAVE 25%
$172.99

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

$129.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B16 PSS10 Suspension System

ES#1844169 - 48-147231 - Bilstein B16 PSS10 Suspension System - Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our Spin To Win Sweepstakes!

Brand:
Bilstein - Corporate Logo
ES#:
1844169
Mfg#:
48-147231
In Stock
$2699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 2.0T Center Resonator Delete Pipe

ES#3546964 - 023503ecs01KT - B8 2.0T Center Resonator Delete Pipe - Add an aggressive exhaust sound with this Resonator Delete Pipe Kit! - ECS - Audi

Add an aggressive exhaust sound with this Resonator Delete Pipe Kit! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3546964
Mfg#:
023503ECS01KT
In Stock
ON SALE! SAVE 24%
$330.99

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

$250.54 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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