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Audi A4 Performance Parts & Upgrades

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ES#3432374 - 034-145-Z012 - CNC-Machined Billet Aluminum Boost Tap - Installs between the intake manifold and PCV breather hose for a solid boost reference point - 034Motorsport - Audi Volkswagen

Installs between the intake manifold and PCV breather hose for a solid boost reference point 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with plastic intake manifolds

Brand:
034Motorsport - Corporate Logo
ES#:
3432374
Mfg#:
034-145-Z012
Ships in 3 Business Days
$63.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5490 - B6A4RA4S3-STEEL -  RA4 240mm Clutch Conversion Kit - Stage 3 - The Ultimate - Lightweight flywheel with the RS4 Stage 3 pressure plate and disc - ECS - Audi

The Ultimate - Lightweight flywheel with the RS4 Stage 3 pressure plate and disc 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5490
Mfg#:
B6A4RA4S3-STEEL
Ships in 10 Business Days
$1442.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3468833 - 034-402-4024 - Adjustable Rear Sway Bar End Links - Adjust preload on the sway bar, as well as alleviate any sway bar
clearance issues caused by lowering your car - 034Motorsport - Audi

Adjust preload on the sway bar, as well as alleviate any sway bar clearance issues caused by lowering your car 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3468833
Mfg#:
034-402-4024
Ships in 3 Business Days
$288.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3478040 - 008050ecs01KT - Rear Lower Control Arm Brace - Audi B8 A4/A5/S4/S5 - Provides additional support to the rear lower control arms for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the rear lower control arms for flex reduction to enhance your driving experience 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
3478040
Mfg#:
008050ECS01KT
In Stock
$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4017056 - B8A4PWRPK - Build Your Own Power Package - Audi B8 A4 2.0T - Go from mild to wild! Select the options you want for your build. - Assembled By ECS - Audi

Go from mild to wild! Select the options you want for your build. 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017056
Mfg#:
B8A4PWRPK
In Stock
Starting at $0.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3132752 - 018327ECS01 -  Rear Differential Carrier Mount Bushing Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi

Decrease differential slop for better drivetrain response! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3132752
Mfg#:
018327ECS01
In Stock
$113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3175271 - 251127 - Performance Stainless 2.5" Downpipe  - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust Fits automatic transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175271
Mfg#:
251127
Ships in 10 Business Days
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2210294 - B8LPLED - LED License Plate Light Assemblies - Keep your plate illuminated brilliantly with new plate light LED's - ZiZa - Audi

Keep your plate illuminated brilliantly with new plate light LED's 10X Entries Into Our F80 M3 Sweepstakes
Does not fit vehicles with factory LED license plate lights

Brand:
ZiZa - Corporate Logo
ES#:
2210294
Mfg#:
B8LPLED
In Stock
$71.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2603078 - 002411ECS02AKT4 -  Wheel Spacer & Bolt Kit - 12.5mm With Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels 10X Entries Into Our F80 M3 Sweepstakes
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2603078
Mfg#:
002411ECS02AKT4
In Stock
$184.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4840190 - CC31044 - VADpro VAD28 Versatile Automotive Display - One device for performance metrics, diagnostics, data logging, and more! - VADpro - Audi

One device for performance metrics, diagnostics, data logging, and more!

Brand:
VADpro - Corporate Logo
ES#:
4840190
Mfg#:
CC31044
In Stock
$710.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3137465 - 019396ECS01KT - Audi B8 A4/S4 Master LED Interior Lighting Kit - Red - Transform your complete interior in minutes with new LED interior bulbs from Ziza - ZiZa - Audi

Transform your complete interior in minutes with new LED interior bulbs from Ziza 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ZiZa - Corporate Logo
ES#:
3137465
Mfg#:
019396ECS01KT
In Stock
$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2202566 - B7LEDKIT - B7 A4/S4/RS4 Master LED Interior Lighting Kit - Transform your complete interior in minutes with new LED interior bulbs from Ziza - ZiZa - Audi

Transform your complete interior in minutes with new LED interior bulbs from Ziza 10X Entries Into Our F80 M3 Sweepstakes
Sedan models only

Brand:
ZiZa - Corporate Logo
ES#:
2202566
Mfg#:
B7LEDKIT
In Stock
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3086222 - SP3080P - SP Series Cold Air Intake - Polished - Better airflow for more power - Injen - Audi

Better airflow for more power CARB certified for sale in all 50 states

Brand:
Injen - Corporate Logo
ES#:
3086222
Mfg#:
SP3080P
EO#:
D-476-8
In Stock at Vendor
$471.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2731271 - 3055571SW - DR Series Wheel Spacers (Black) - 15mm (1 Pair) - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731271
Mfg#:
3055571SW
Ships in 4 Business Days
10% off MSRP

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

$119.99

This product was last offered at the strikethrough price on
10-01-2026

$107.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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