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Audi A4 Performance Parts & Upgrades

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Front Strut Tower Cover Kit - Left

ES#4783266 - 8w0806583cKT - Front Strut Tower Cover Kit - Left - Keep your engine bay clean and looking good! - Genuine Volkswagen Audi - Audi

Keep your engine bay clean and looking good!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4783266
Mfg#:
8W0806583CKT
Ships in 2 Business Days
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Spacer Kit

This spacer will allow you to upgrade the driveline of your automatic/tiptronic transmission. For automatic transmission models

Brand:
JH Motorsports - Corporate Logo
ES#:
4430198
Mfg#:
JHM-ATMSKT
Ships in 10 Business Days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve - 1.8T/2.7T - Priced Each

ES#3647468 - ST-AIVN-1106S - Supertech Stainless Intake Valve - 1.8T/2.7T - Priced Each - +1mm oversized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

+1mm oversized valve head diameter, single groove keeper setup for high RPM use *Valves priced individually - For 1.8T - qty 12 needed / For 2.7T - qty 18 needed - Please see long description for additional valve seal/keeper informa

Brand:
Supertech - Corporate Logo
ES#:
3647468
Mfg#:
ST-AIVN-1106S
Back Ordered
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Kohlefaser Luft-Technik Intake System Reflect-A-Gold Kit

ES#3221001 - 020870ecs01KT - Kohlefaser Luft-Technik Intake System Reflect-A-Gold Kit - Pre-cut DEI Reflect-a-Gold to apply directly to your new Kohlefaser Luft-Technik Intake System - ECS - Audi

Pre-cut DEI Reflect-a-Gold to apply directly to your new Kohlefaser Luft-Technik Intake System 10X Entries For Our 25th Anniversary Sweepstakes!

For use with the B9 ECS Tuning Kohlefaser Luft-Technik Intake System only

Brand:
ECS - Corporate Logo
ES#:
3221001
Mfg#:
020870ECS01KT
Ships on Sep 25, 2026
ON SALE! SAVE 25%
$46.99

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

$35.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED puddle Lighting Kit

ES#2215333 - RS4DOORWA - LED puddle Lighting Kit - Better illumination when opening your vehicle's doors - ZiZa - Audi

Better illumination when opening your vehicle's doors 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
2215333
Mfg#:
RS4DOORWA
In Stock
ON SALE! SAVE 10%
$37.99

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

$34.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED Footwell Lighting Kit

ES#2215395 - B6A4FOTWELL - LED Footwell Lighting Kit - Illuminate the footwell of your vehicle with these new LEDs - ZiZa - Audi

Illuminate the footwell of your vehicle with these new LEDs 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
2215395
Mfg#:
B6A4FOTWELL
In Stock
ON SALE! SAVE 10%
$37.99

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

$34.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED Footwell Lighting Kit

ES#2215334 - RS4FOOTWELL - LED Footwell Lighting Kit - Complete your LED lighting transformation in your footwells - ZiZa - Audi

Complete your LED lighting transformation in your footwells 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
2215334
Mfg#:
RS4FOOTWELL
In Stock
ON SALE! SAVE 10%
$37.99

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

$34.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED Footwell Lighting Kit - Red

ES#3137977 - 019396ECS04KT4 - LED Footwell Lighting Kit - Red - Illuminate the footwell of your vehicle with these new LEDs - ZiZa - Audi

Illuminate the footwell of your vehicle with these new LEDs 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
3137977
Mfg#:
019396ECS04KT4
In Stock
ON SALE! SAVE 10%
$37.99

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

$34.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED Door Puddle Lighting Kit - Red

ES#3137497 - 019396ECS01KT5 - LED Door Puddle Lighting Kit - Red - Transform you door puddle lighting with new LED bulbs from Ziza - ZiZa - Audi

Transform you door puddle lighting with new LED bulbs from Ziza 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
3137497
Mfg#:
019396ECS01KT5
In Stock
ON SALE! SAVE 10%
$37.99

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

$34.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Blow Off Valve - Atmospheric Service Kit

ES#3241238 - FMDVSK-WO34 - Blow Off Valve - Atmospheric Service Kit - Full replacement kit for es1832445 - Forge - Audi Volkswagen

Full replacement kit for es1832445

Brand:
Forge - Corporate Logo
ES#:
3241238
Mfg#:
FMDVSK-WO34
Ships in 3 Business Days
$17.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tow Hook Cover

ES#2778061 - 8E0807241CGRU - Tow Hook Cover - Ready to be paint matched and installed on your vehicle - Bremmen Parts - Audi

Ready to be paint matched and installed on your vehicle 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
2778061
Mfg#:
8E0807241CGRU
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$39.99

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

$31.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Sway Bar Rebuild Kit

ES#4147668 - 034-402-Z015 - Adjustable Rear Sway Bar Rebuild Kit - 034Motorsport is proud to offer a rebuild kit for their 25.4mm Diameter Adjustable Solid Rear Sway Bars for B4 through B7 Audi models! - 034Motorsport - Audi

034Motorsport is proud to offer a rebuild kit for their 25.4mm Diameter Adjustable Solid Rear Sway Bars for B4 through B7 Audi models! *To be used with sway bar kits: 034-402-1000, 034-402-1001

Brand:
034Motorsport - Corporate Logo
ES#:
4147668
Mfg#:
034-402-Z015
Ships in 2 Business Days
$31.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

LED Trunk Lighting Kit

ES#2215336 - RS4TRUNKLIGHT - LED Trunk Lighting Kit - Illuminate the lighting in your trunk or hatch with new LED bulbs from Ziza - ZiZa - Audi

Illuminate the lighting in your trunk or hatch with new LED bulbs from Ziza 10X Entries For Our 25th Anniversary Sweepstakes!
Sedan models only

Brand:
ZiZa - Corporate Logo
ES#:
2215336
Mfg#:
RS4TRUNKLIGHT
In Stock
ON SALE! SAVE 10%
$15.99

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

$14.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED Trunk Lighting Kit - Red

ES#3137498 - 019396ECS01KT6 - LED Trunk Lighting Kit - Red - Illuminate the lighting in your trunk or hatch with new LED bulbs from Ziza - ZiZa - Audi

Illuminate the lighting in your trunk or hatch with new LED bulbs from Ziza 10X Entries For Our 25th Anniversary Sweepstakes!
Sedan models only

Brand:
ZiZa - Corporate Logo
ES#:
3137498
Mfg#:
019396ECS01KT6
In Stock
ON SALE! SAVE 10%
$15.99

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

$14.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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