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Audi A4 Performance Parts & Upgrades

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ECS Wheel Spacer & Bolt Kit - 10mm With Black Conical Seat Bolts

ES#2748192 - 00240302A10KT4 - ECS Wheel Spacer & Bolt Kit - 10mm 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#:
2748192
Mfg#:
00240302A10KT4
In Stock
ON SALE! SAVE 25%
$140.99

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

$105.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MQB Magnetic Drain Plug - With 5 Replacement O-Rings

ES#4006896 - 015137ecs02KT - MQB Magnetic Drain Plug - With 5 Replacement O-Rings - Capture harmful particulates from circulating within your oiling system and make services easier with our 13mm hex drive - ECS - Audi Volkswagen Porsche

Capture harmful particulates from circulating within your oiling system and make services easier with our 13mm hex drive 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4006896
Mfg#:
015137ECS02KT
In Stock
ON SALE! SAVE 30%
$50.99

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

$35.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Billet Adjustable Front Sway Bar End Links

ES#4381944 - 034-402-4033 - Dynamic+ Billet Adjustable Front Sway Bar End Links - Replace your flimsy, imprecise OEM sway bar end links with these performance engineered Dynamic+ Billet Adjustable Front Sway Bar End Links from 034Motorsport - 034Motorsport - Audi

Replace your flimsy, imprecise OEM sway bar end links with these performance engineered Dynamic+ Billet Adjustable Front Sway Bar End Links from 034Motorsport 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4381944
Mfg#:
034-402-4033
In Stock
$168.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug

ES#3187653 - 001196ECS01-01 - Magnetic Oil Drain Plug - Capture harmful particles to prevent wear. M14x1.5. Includes washer. - ECS - Audi Volkswagen MINI Porsche

Capture harmful particles to prevent wear. M14x1.5. Includes washer. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3187653
Mfg#:
001196ECS01-01
Ships in 1 Business Day
ON SALE! SAVE 30%
$28.99

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

$20.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve - Polished

ES#3183558 - 034-145-5000-ALU - Billet Diverter Valve - Polished - High-performance spring and piston design is both durable and a performer! - 034Motorsport - Audi Volkswagen

High-performance spring and piston design is both durable and a performer! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3183558
Mfg#:
034-145-5000-ALU
In Stock
$128.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Transmission Street Shield Skid Plate Kit - Audi B8

ES#3411961 - 017881ecs01KT - ECS Tuning Transmission Street Shield Skid Plate Kit - Audi B8 - Protect your vehicle's transmission pan with a 4mm thick aluminum skid plate - ECS - Audi

Protect your vehicle's transmission pan with a 4mm thick aluminum skid plate 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3411961
Mfg#:
017881ECS01KT
In Stock
ON SALE! SAVE 25%
$505.70

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

$380.61 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Adjustable Rear Sway Bar

ES#3241098 - 034-402-1010 - Dynamic+ Adjustable Rear Sway Bar - Designed to combat understeer while reducing body roll under hard cornering! - 034Motorsport - Audi

Designed to combat understeer while reducing body roll under hard cornering! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3241098
Mfg#:
034-402-1010
In Stock
$354.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

550cc Fuel Injectors - Set Of Four

ES#1899400 - injb550 - 550cc Fuel Injectors - Set Of Four - Compatible with BT software applications. Includes injector plug adapters - Bosch - Audi Volkswagen MINI

Compatible with BT software applications. Includes injector plug adapters We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1899400
Mfg#:
INJB550
Ships in 3 Business Days
$437.99

This product was last offered at the strikethrough price on
07-06-2026

$363.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Transmission Mount

ES#3199888 - 0345094025 - Street Density Transmission Mount - Improve the performance of the factory transmission mount - 034Motorsport - Audi

Improve the performance of the factory transmission mount 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3199888
Mfg#:
0345094025
In Stock
$44.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS "Stage 4" Front Big Brake Kit - B5/B6/B7/C5

ES#1896 - B5S4S4BBKRXS - ECS "Stage 4" Front Big Brake Kit - B5/B6/B7/C5 - Enhance braking performance with this plug-and-play upgrade! Featuring massive 6-piston calipers, lightweight 2-piece brake rotors, and all components needed for installation. - ECS - Audi

Enhance braking performance with this plug-and-play upgrade! Featuring massive 6-piston calipers, lightweight 2-piece brake rotors, and all components needed for installation. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
1896
Mfg#:
B5S4S4BBKRXS
In Stock
ON SALE! SAVE 10%
$2039.99

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

$1835.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

VW/Audi Atmospheric Diverter Valve Spacer - Black

ES#3551283 - 021828ECS01-01 - VW/Audi Atmospheric Diverter Valve Spacer - Black - 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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3551283
Mfg#:
021828ECS01-01
In Stock
ON SALE! SAVE 30%
$86.99

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

$60.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler - Audi B9 A4/S4

ES#3146390 - 019196ECS01A - Carbon Fiber Front Lip Spoiler - Audi B9 A4/S4 - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling 10X Entries Into Our F80 M3 Sweepstakes

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

Brand:
ECS - Corporate Logo
ES#:
3146390
Mfg#:
019196ECS01A
Ships in 10 Business Days
ON SALE! SAVE 15%
$892.99

This product was last offered at the strikethrough price on
10-28-2026

$759.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Turbo Muffler Delete With Test Ports

ES#3610622 - 034-145-Z040 - 034Motorsport Turbo Muffler Delete With Test Ports - Lets the driver hear what the turbo has to say - The only turbo muffler delete with built-in test ports! - 034Motorsport - Audi Volkswagen

Lets the driver hear what the turbo has to say - The only turbo muffler delete with built-in test ports! 2X Entries Into Our F80 M3 Sweepstakes
For vehicles pre-facelift models only (through 2020)

Brand:
034Motorsport - Corporate Logo
ES#:
3610622
Mfg#:
034-145-Z040
In Stock
$140.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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