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Audi A4 Performance Parts & Upgrades

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High Pressure Fuel Pump Piston Upgrade Kit

ES#4499603 - 034-106-6051 - High Pressure Fuel Pump Piston Upgrade Kit - Unlock up to 50% more flow over the factory high pressure fuel pump - 034Motorsport - Audi Volkswagen

Unlock up to 50% more flow over the factory high pressure fuel pump 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4499603
Mfg#:
034-106-6051
In Stock
$337.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS K04-X Hybrid Turbo Upgrade

ES#4365313 - CTS-TR-1070X - CTS K04-X Hybrid Turbo Upgrade - This turbo will support 400HP With proper tuning and supporting mods! - CTS - Audi

This turbo will support 400HP With proper tuning and supporting mods!

Brand:
CTS - Corporate Logo
ES#:
4365313
Mfg#:
CTS-TR-1070X
Ships in 7 Business Days
$1999.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B5 A4 / S4 Quattro Adjustable Damping Coilovers

ES#4474069 - 000703LA01 - B5 A4 / S4 Quattro Adjustable Damping Coilovers - Features 32 way adjustable damping, variable length and zinc-coated shock bodies - ECS - Audi

Features 32 way adjustable damping, variable length and zinc-coated shock bodies 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4474069
Mfg#:
000703LA01
In Stock
ON SALE! SAVE 24%
$1049.99

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

$799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hi-Volume Fuel Pump Upgrade Kit

ES#2226090 - 10-127-100K - Hi-Volume Fuel Pump Upgrade Kit - Flow Rates up to 50% higher on 2.0T FSI engines, easily installed during a cam follower service! - Autotech - Audi Volkswagen

Flow Rates up to 50% higher on 2.0T FSI engines, easily installed during a cam follower service!

Brand:
Autotech - Corporate Logo
ES#:
2226090
Mfg#:
10-127-100K
In Stock
$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FDS Front-Mount Intercooler Kit - Silver

ES#3470702 - IETPCK1 - FDS Front-Mount Intercooler Kit - Silver - Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3470702
Mfg#:
IETPCK1
Ships in 1 Business Day
$1034.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Shocks & Struts Set - Sport B8

ES#2724033 - 8T0413031AFKT - Shocks & Struts Set - Sport B8 - Recommended for vehicles with lowering springs - Bilstein - Audi

Recommended for vehicles with lowering springs 10X Entries Into Our F80 M3 Sweepstakes

Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code

Brand:
Bilstein - Corporate Logo
ES#:
2724033
Mfg#:
8T0413031AFKT
Ships in 2 Business Days
$1154.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Facelift Front Lip - Splitter Style - Gloss Black

ES#4158342 - 025864ecs01aKT - Audi B8.5 S4 / A4 S-Line Facelift Front Lip - Splitter Style - Gloss Black - Upgrade your exterior styling! - ECS - Audi

Upgrade your exterior styling! 10X Entries Into Our F80 M3 Sweepstakes

For S-Line models from the 2013 model year (Facelift)

Brand:
ECS - Corporate Logo
ES#:
4158342
Mfg#:
025864ECS01AKT
In Stock
ON SALE! SAVE 25%
$359.99

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

$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate High Pressure Fuel Pump Upgrade Kit

ES#2873046 - 012570ecs01KT - Ultimate High Pressure Fuel Pump Upgrade Kit - Common fix for P2294 CEL code. New OE fuel pump with Autotech internal upgrades pre-installed and includes new cam follower with replacement hardware - Assembled By ECS - Audi Volkswagen

Common fix for P2294 CEL code. New OE fuel pump with Autotech internal upgrades pre-installed and includes new cam follower with replacement hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2873046
Mfg#:
012570ECS01KT
In Stock
$841.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.5" High Flow Catalytic Converter

ES#2960018 - 034-105-4023 - 3.5" High Flow Catalytic Converter - Complete drop-in upgrade will bolt up to stock/Stock Fit Turbo - 034Motorsport - Audi

Complete drop-in upgrade will bolt up to stock/Stock Fit Turbo 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2960018
Mfg#:
034-105-4023
Back Ordered
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Rear Differential Mount Insert Kit

ES#2992521 - 008288ecs01KT - Complete Rear Differential Mount Insert Kit - Increase drivetrain rigidity and response! - ECS - Audi Porsche

Increase drivetrain rigidity and response! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2992521
Mfg#:
008288ECS01KT
In Stock
ON SALE! SAVE 25%
$196.99

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

$147.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 15mm With Black Ball Seat Bolts

ES#2748193 - ECS10157KTWB1 - ECS Wheel Spacer & Bolt Kit - 15mm With Black 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
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748193
Mfg#:
ECS10157KTWB1
In Stock
ON SALE! SAVE 20%
$174.99

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

$139.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Aluminum Charge Pipe Kit - Audi B8 A4/A5 2.0T

ES#2785242 - 002894ECS01KT - High Flow Aluminum Charge Pipe Kit - Audi B8 A4/A5 2.0T - Increase intake air flow with aluminum charge pipes for your OEM intercooler! - ECS - Audi

Increase intake air flow with aluminum charge pipes for your OEM intercooler! 10X Entries Into Our F80 M3 Sweepstakes
For direct-fit use with factory turbocharger - Modifications may be necessary if paired with aftermarket turbocharger

Brand:
ECS - Corporate Logo
ES#:
2785242
Mfg#:
002894ECS01KT
In Stock
ON SALE! SAVE 25%
$623.99

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

$467.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2748282 - 002411ECS02AKT5 - Wheel Spacer & Bolt Kit - 10mm With Black Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install 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#:
2748282
Mfg#:
002411ECS02AKT5
In Stock
ON SALE! SAVE 15%
$173.99

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

$147.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 A4 2.0T Cat Back Exhaust System - Manual Transmission

ES#4487916 - 010076ECS - Audi B7 A4 2.0T Cat Back Exhaust System - Manual Transmission - ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience - ECS - Audi

ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience 10X Entries Into Our F80 M3 Sweepstakes
Fits vehicles with manual transmission only

Brand:
ECS - Corporate Logo
ES#:
4487916
Mfg#:
010076ECS
In Stock
ON SALE!
Starting at $884.84 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/A4 Trunk Spoiler - Gloss Black

ES#3981207 - 028801ECS01 - Audi B9 S4/A4 Trunk Spoiler - Gloss 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#:
3981207
Mfg#:
028801ECS01
In Stock
ON SALE! SAVE 25%
$289.99

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

$217.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 20mm With Black Ball Seat Bolts

ES#2748291 - 6-ECS-024 - Wheel Spacer & Bolt Kit - 20mm With Black 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#:
2748291
Mfg#:
6-ECS-024
Ships in 3 Business Days
ON SALE! SAVE 20%
$187.99

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

$149.99 USD
Free Shipping
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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