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Audi A4 Performance Parts & Upgrades

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Audi B8 A4 Pre Facelift Non S-Line Rear Diffuser - Single Outlet - Matte Black

ES#4445777 - 039684LA01-02 - Audi B8 A4 Pre Facelift Non S-Line Rear Diffuser - Single Outlet - Matte Black - Add some aggressive styling to your Audi! - ECS - Audi

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

Brand:
ECS - Corporate Logo
ES#:
4445777
Mfg#:
039684LA01-02
In Stock
ON SALE! SAVE 20%
$386.99

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

$309.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Endurance Clutch Kit

ES#3098856 - 205hdofedmKT - Stage 2 Endurance Clutch Kit - Designed for track use while still streetable. Conservatively rated at 325ft/lbs. - South Bend Clutch - Audi Volkswagen

Designed for track use while still streetable. Conservatively rated at 325ft/lbs. Works with stock dual mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3098856
Mfg#:
205HDOFEDMKT
Ships in 1 Business Day
$618.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Snub Mount With Bracket - Street

ES#3178071 - 034-509-2007 - Performance Snub Mount With Bracket - Street - Greatly reduces unwanted engine movement, without excess vibration - 034Motorsport - Audi

Greatly reduces unwanted engine movement, without excess vibration 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3178071
Mfg#:
034-509-2007
In Stock
$119.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EMD Auto 20mm Wheel Spacers - Pair (With Bolts)

ES#4042999 - EMDSPACER20665B - EMD Auto 20mm Wheel Spacers - Pair (With Bolts) - Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore - Emmanuele Design - Audi

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore

Brand:
Emmanuele Design - Corporate Logo
ES#:
4042999
Mfg#:
EMDSPACER20665B
In Stock
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Golf R OEM Fuel Injectors - Set Of Four

ES#2497386 - 06F998036F - Golf R OEM Fuel Injectors - Set Of Four - Upgraded fuel injectors for FSI engines - Made for VW/Audi by Bosch - Genuine Volkswagen Audi - Audi Volkswagen

Upgraded fuel injectors for FSI engines - Made for VW/Audi by Bosch For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2497386
Mfg#:
06F998036F
Ships in 4 Business Days
$1539.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 A4/S4 Front Sway Bar & Bushing Kit - 32mm

ES#4608992 - 000601LA01KT - Audi B6/B7 A4/S4 Front Sway Bar & Bushing Kit - 32mm - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4608992
Mfg#:
000601LA01KT
Ships on Oct 13, 2026
ON SALE! SAVE 10%
$378.99

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

$341.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit - H&R Sport Springs With Bilstein Sport Shocks

ES#2739504 - 50361KT - Cup Kit - H&R Sport Springs With Bilstein Sport Shocks - Perfect combination of handling & ride quality - Assembled By ECS - Audi

Perfect combination of handling & ride quality 10X Entries Into Our F80 M3 Sweepstakes
Fits Sedan models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739504
Mfg#:
50361KT
Ships in 2 Business Days
$1527.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2649762 - 00240302A10KT2 - ECS Wheel Spacer & Bolt Kit - 10mm With Ball 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#:
2649762
Mfg#:
00240302A10KT2
In Stock
ON SALE! SAVE 25%
$144.99

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

$108.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

ES#2827420 - SSXAU296 - Cat-Back Exhaust System - Resonated - 2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips - Milltek Sport - Audi

2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827420
Mfg#:
SSXAU296
Ships on Oct 21, 2026
ON SALE! SAVE 10%
$1685.99

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

$1516.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Limited Slip Differential

ES#2836967 - 18309170WK - Front Limited Slip Differential - Put all your power to the ground! - Wavetrac - Audi

Put all your power to the ground! For models with 01E 6-Speed manual transmission only

Brand:
Wavetrac - Corporate Logo
ES#:
2836967
Mfg#:
18309170WK
Ships in 2 Business Days
$1515.99 USD
Free Shipping

Blow-Off Valve - Black

ES#2748995 - FMFSITATBL - Blow-Off Valve - Black - Stop boost leaking from your diverter valve once and for all! - Forge - Audi Volkswagen

Stop boost leaking from your diverter valve once and for all!

Brand:
Forge - Corporate Logo
ES#:
2748995
Mfg#:
FMFSITATBL
In Stock
ON SALE! SAVE 10%
$373.99

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

$336.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

V2 Series Coilover Kit - With EDC Deactivation Kit

ES#2619624 - 15210097 - V2 Series Coilover Kit - With EDC Deactivation Kit - Variant 2 coilovers offer sport handling with adjustable rebound dampening - KW Suspension - Audi

Variant 2 coilovers offer sport handling with adjustable rebound dampening Fits sedan models with factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2619624
Mfg#:
15210097
Back Ordered
$3024.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer - 12.5mm (Pair)

ES#2863228 - 002403ecs02a13KT - ECS Wheel Spacer - 12.5mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2863228
Mfg#:
002403ECS02A13KT
In Stock
ON SALE! SAVE 25%
$143.99

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

$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Intake Tract Set

ES#3149380 - 018325ecs01KT - Silicone Intake Tract Set - Includes oversized silicone pipes from the turbo inlet to the throttle body - ECS - Audi

Includes oversized silicone pipes from the turbo inlet to the throttle body 10X Entries Into Our F80 M3 Sweepstakes
For use with the OEM intercooler

Brand:
ECS - Corporate Logo
ES#:
3149380
Mfg#:
018325ECS01KT
In Stock
ON SALE! SAVE 15%
$322.99

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

$274.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 17.5mm With Ball Seat Bolts

ES#2177175 - 6-ECS-023 - Wheel Spacer & Bolt Kit - 17.5mm With Ball Seat Bolts - Add some style to your Audi with these wheel spacers - ECS - Audi

Add some style to your Audi with these wheel spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2177175
Mfg#:
6-ECS-023
In Stock
ON SALE! SAVE 25%
$173.99

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

$130.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Wheel Spacer Pair - 20mm

ES#3546625 - 034-604-7007 - 034Motorsport Wheel Spacer Pair - 20mm - Increase track width to improve handling, allow for more brake clearance, and help achieve a flush wheel/tire fitment - 034Motorsport - Audi

Increase track width to improve handling, allow for more brake clearance, and help achieve a flush wheel/tire fitment 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3546625
Mfg#:
034-604-7007
In Stock
$125.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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