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Audi A4 Performance Parts & Upgrades

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LED Overhead Lighting Kit

ES#2210296 - B8S4OVERHEAD - LED Overhead Lighting Kit - Transform your dome lamp lighting with these new LED bulbs from Ziza - ZiZa - Audi

Transform your dome lamp lighting with these new LED bulbs from Ziza 10X Entries Into Our F80 M3 Sweepstakes
Sedan models only

Brand:
ZiZa - Corporate Logo
ES#:
2210296
Mfg#:
B8S4OVERHEAD
In Stock
ON SALE! SAVE 10%
$62.99

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

$56.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED License Plate Bulb - Pair

ES#259644 - T10W37KT-14 - LED License Plate Bulb - Pair - Featuring built in heat sinks to dissipate heat - ZiZa - Audi

Featuring built in heat sinks to dissipate heat 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ZiZa - Corporate Logo
ES#:
259644
Mfg#:
T10W37KT-14
Ships on Oct 26, 2026
ON SALE! SAVE 10%
$62.99

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

$56.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Titanium Brake Pad Shim Kit For RS+ Big Brake Package

ES#4843177 - 034-3ZZ-0007 - 034Motorsport Titanium Brake Pad Shim Kit For RS+ Big Brake Package - Designed to reduce heat transfer between your brake pads and calipers, preventing brake fluid from overheating and fade during intense use. - 034Motorsport - Audi

Designed to reduce heat transfer between your brake pads and calipers, preventing brake fluid from overheating and fade during intense use. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with 034Motorsport RS+ Big Brake Package only.

Brand:
034Motorsport - Corporate Logo
ES#:
4843177
Mfg#:
034-3ZZ-0007
Ships in 2 Business Days
$141.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 4mm With Conical Seat Bolts

ES#2568226 - ECS10153KTWBC - ECS Wheel Spacer & Bolt Kit - 4mm With 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
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2568226
Mfg#:
ECS10153KTWBC
Ships on Nov 24, 2026
ON SALE! SAVE 25%
$124.99

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

$93.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RaceChip S

ES#4339088 - 906970 - RaceChip S - Get up to +44 hp and +49 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Porsche

Get up to +44 hp and +49 lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339088
Mfg#:
906970
Ships in 5 Business Days
$279.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip S

ES#4339424 - 917780 - RaceChip S - Get up to +43 hp and +43 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +43 hp and +43 lb-ft through a safe and easy to use tuning module from RaceChip For vehicles from the 2014 model year only

Brand:
Race Chip - Corporate Logo
ES#:
4339424
Mfg#:
917780
Ships in 5 Business Days
$279.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Bumper Side Splitters

ES#3981217 - 024846ecs01KT - Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Bumper Side Splitters - Spice up the exterior of your Audi with genuine carbon fiber spats! - ECS - Audi

Spice up the exterior of your Audi with genuine carbon fiber spats! 10X Entries Into Our F80 M3 Sweepstakes
Fits 2013+ A4 S-Line and S4 rear bumpers
Fits 2013+ A4 S-Line and S4 rear bumpers

Brand:
ECS - Corporate Logo
ES#:
3981217
Mfg#:
024846ECS01KT
Ships on Feb 19, 2027
ON SALE! SAVE 10%
$307.99

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

$277.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Front Upper Control Arm Bushings

ES#4305144 - PFF3-1203 - Polyurethane Front Upper Control Arm Bushings - Improves handling and control - upgrade to a more engaging driving experience - Powerflex - Audi

Improves handling and control - upgrade to a more engaging driving experience

Brand:
Powerflex - Corporate Logo
ES#:
4305144
Mfg#:
PFF3-1203
Ships in 1 Business Day
$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3/4 NPTBlock Breather Adapter

ES#4146792 - 034-101-5001 - 3/4 NPTBlock Breather Adapter - Precision CNC machined in-house to ensure unsurpassed quality and perfect fitment. Now available with a 3/4" NPT provision. - 034Motorsport - Audi Volkswagen

Precision CNC machined in-house to ensure unsurpassed quality and perfect fitment. Now available with a 3/4" NPT provision. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4146792
Mfg#:
034-101-5001
Ships in 2 Business Days
$25.00 USD
Free Shipping

Performance Stainless 2.5" Downpipe

High flow, stainless downpipe kit to be used with factory exhaust Fits quattro, automatic transmission models only - To be used with factory 55mm exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175306
Mfg#:
251228R
Ships on Oct 12, 2026
$275.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

57i Performance Air Intake System

ES#3163989 - 57-0515 - 57i Performance Air Intake System - Easy to install with washable, lifetime filter - K&N - Audi

Easy to install with washable, lifetime filter

Brand:
K&N - Corporate Logo
ES#:
3163989
Mfg#:
57-0515
Ships in 4 Business Days
$272.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacer - 20mm (1 Pair) - Silver

ES#5110 - 4055571 - DR Series Wheel Spacer - 20mm (1 Pair) - Silver - 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#:
5110
Mfg#:
4055571
Ships in 3 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.

$149.99

This product was last offered at the strikethrough price on
07-01-2026

$134.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" Wheel Spacer Flush Fit Kit - Black Bolts

ES#4476079 - B9FLUSHKT - 19" Wheel Spacer Flush Fit Kit - Black Bolts - Includes H&R spacers & Black bolts to obtain a flush look on your OE 19" wheels - Assembled By ECS - Audi

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

Brand:
Assembled By ECS - Corporate Logo
ES#:
4476079
Mfg#:
B9FLUSHKT
Ships in 3 Business Days
ON SALE! SAVE 10%
$299.99

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

$269.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RaceChip XLR

Maximum driving pleasure thanks to more direct throttle response.

Brand:
Race Chip - Corporate Logo
ES#:
4557693
Mfg#:
999870
Ships in 5 Business Days
$269.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar (25.4mm)

If understeer is an issue, increasing or adding a sway bar in the rear can help.

Brand:
Megan Racing - Corporate Logo
ES#:
4833817
Mfg#:
MRS-AU-2091
Ships in 4 Business Days
$266.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline Heel/Toe Throttle Extension - Black

ES#2840459 - PE75HBLACK - Rennline Heel/Toe Throttle Extension - Black - Pedal extensions to customize your driving experience - Rennline - Audi Volkswagen

Pedal extensions to customize your driving experience

Brand:
Rennline - Corporate Logo
ES#:
2840459
Mfg#:
PE75HBLACK
Ships in 4 Business Days
$53.00 USD
Free Shipping
on orders $49 and up
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.

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