Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

Audi A4 Performance Parts & Upgrades

Sort By
Filter By
Return to Top
ES#3022058 - PWH1620 - Atmospheric Diverter Valve Spacer - Direct bolt on without worry of a check-engine light - Pwrhaus - Audi Volkswagen

Direct bolt on without worry of a check-engine light

Brand:
Pwrhaus - Corporate Logo
ES#:
3022058
Mfg#:
PWH1620
In Stock
$69.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4039668 - 001215LA01 - Audi B7 A4 S-Line / S4 Trunk Spoiler - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! 10X Entries Into Our F80 M3 Sweepstakes

Fits S-Line Sedan models with integrated trunk spoilers (S4 style trunk lid)

Brand:
ECS - Corporate Logo
ES#:
4039668
Mfg#:
001215LA01
In Stock
ON SALE!
$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4616153 - CI100044 - APR PEX Intake System Audi - B9 A4/A5 2.0T - Flows 46% more than stock, reduces pressure drop, and improves turbocharger efficiency. - APR - Audi

Flows 46% more than stock, reduces pressure drop, and improves turbocharger efficiency. Call In Or Chat For Best Price!

Not for vehicles with MAF sensor

Brand:
APR - Corporate Logo
ES#:
4616153
Mfg#:
CI100044
In Stock
11% off MSRP

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

$528.95

This product was last offered at the strikethrough price on
11-05-2026

$469.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2951988 - 034-509-4006sd - Street Density Line Transmission Mount - Priced Each - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort 2X Entries Into Our F80 M3 Sweepstakes
Automatic transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
2951988
Mfg#:
034-509-4006SD
In Stock
$131.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4920294 - 045960la02KT - 1.8T Billet Aluminum Fuel Injector Cup - Set Of Four - Upgrade to heavy-duty billet aluminum construction for maximum durability! - ECS - Audi Volkswagen

Upgrade to heavy-duty billet aluminum construction for maximum durability! 10X Entries Into Our F80 M3 Sweepstakes
For Vehicles with Engine Codes ATW, and AWM.

Brand:
ECS - Corporate Logo
ES#:
4920294
Mfg#:
045960LA02KT
In Stock
ON SALE! SAVE 21%
$83.99

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

$65.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4349867 - 06e905115fKT7 -  Ignition Service Kit - With Service Tools - Includes four Bosch red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) - Assembled By ECS - Audi Volkswagen

Includes four Bosch red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) 10X Entries Into Our F80 M3 Sweepstakes
Beneficial to cars with basic performance upgrades

Brand:
Assembled By ECS - Corporate Logo
ES#:
4349867
Mfg#:
06E905115FKT7
Ships in 1-2 days
ON SALE!
$239.00

This product was last offered at the strikethrough price on
09-08-2026

$216.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3199971 - 034-401-1044 - Density Line Front Lower Control Arm Kit  - Includes new lower control arms with Density Line control arm bushings, M12 ball joints, and hardware - 034Motorsport - Audi

Includes new lower control arms with Density Line control arm bushings, M12 ball joints, and hardware 2X Entries Into Our F80 M3 Sweepstakes
Fits models up to production date 11/2/2009 (M12 Ball Joints)

Brand:
034Motorsport - Corporate Logo
ES#:
3199971
Mfg#:
034-401-1044
In Stock
$617.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3739793 - 028799ECS01 - Audi B9 A4/A5 ECU Cover - Matte Black - Compliment your engine bay and hide away the exposed ECU - ECS - Audi

Compliment your engine bay and hide away the exposed ECU 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3739793
Mfg#:
028799ECS01
In Stock
ON SALE! SAVE 25%
$103.99

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

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
ES#2966735 - 010371ecs01KT -  Performance Baffled Oil Catch Can System - Audi B7 A4 2.0T - Keep your intake tract clean and carbon free - ECS - Audi

Keep your intake tract clean and carbon free 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2966735
Mfg#:
010371ECS01KT
Ships on Mar 24, 2027
ON SALE!
$576.99

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

$548.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2794433 - IEFUVC1 - High Pressure Fuel Pump Upgrade Kit - Entry-level HPFP kit for builders who prefer to assemble their HPFP themselves. - Integrated Engineering - Audi Volkswagen

Entry-level HPFP kit for builders who prefer to assemble their HPFP themselves.

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794433
Mfg#:
IEFUVC1
In Stock
$419.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3240970 - 023881ecs01KT - 19" Wheel Spacer Flush Fit Kit - Black Bolts - Includes ECS spacers & Black bolts to obtain a flush look on your OE 19" wheels - ECS - Audi

Includes ECS spacers & Black bolts to obtain a flush look on your OE 19" wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3240970
Mfg#:
023881ECS01KT
In Stock
ON SALE!
$271.99

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

$258.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3200644 - 017626ECS01 -  Exact-Fit Stainless Steel Clutch Line - Improve clutch pedal feel with this simple, yet dramatic upgrade - ECS - Audi

Improve clutch pedal feel with this simple, yet dramatic upgrade 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3200644
Mfg#:
017626ECS01
In Stock
ON SALE! SAVE 20%
$89.99

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

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
$121.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2816885 - 010257ECS03KT - Carbon Fiber Mirror Cap Set - Audi B8 A4/A5/S4/S5 - Upgrade your exterior look - ECS - Audi

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

For vehicles with lane change assist from the 2010 model year

Brand:
ECS - Corporate Logo
ES#:
2816885
Mfg#:
010257ECS03KT
In Stock
ON SALE! SAVE 12%
$381.99

This product was last offered at the strikethrough price on
07-15-2026

$334.92 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.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings