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Audi A4 Performance Parts & Upgrades

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ECS Wheel Spacers - 10mm (Pair)

ES#2603071 - 002411ECS02A10KT - ECS Wheel Spacers - 10mm (Pair) - Improve the look of your vehicle with spacers - ECS - Audi BMW Porsche

Improve the look of your vehicle with spacers 10X Entries For Our 25th Anniversary Sweepstakes!
These spacers are measured and designed to fit factory wheels. Not all aftermarket wheels will work with

Brand:
ECS - Corporate Logo
ES#:
2603071
Mfg#:
002411ECS02A10KT
In Stock
ON SALE! SAVE 10%
$106.99

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

$96.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve - Black

ES#3183557 - 034-145-5000-BLK - Billet Diverter Valve - Black - 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!

Brand:
034Motorsport - Corporate Logo
ES#:
3183557
Mfg#:
034-145-5000-BLK
In Stock
$134.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Performance Coilover System - Fixed Damping

ES#4620771 - 29092-2 - Street Performance Coilover System - Fixed Damping - Unrivaled comfort and performance - H&R - Audi

Unrivaled comfort and performance 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For Avant models only. Average lowering of 1.0"-2.2"F 1.0"-2.2"R.

Brand:
H&R - Corporate Logo
ES#:
4620771
Mfg#:
29092-2
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.

$1980.00

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

$1782.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sport Springs Set

ES#837 - 29368 - Sport Springs Set - Unrivaled comfort and performance. Average lowering of 1.7"F 1.6"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 1.7"F 1.6"R 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Sedan & Avant models only

Brand:
H&R - Corporate Logo
ES#:
837
Mfg#:
29368
In Stock
15% off MSRP

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

$399.00

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

$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM 3" Cat-Pipe (High Flow Catalyst)

ES#4046023 - B9A45HFC - JHM 3" Cat-Pipe (High Flow Catalyst) - 3.0" T304 Stainless system produces gains of up to 25hp. - JH Motorsports - Audi

3.0" T304 Stainless system produces gains of up to 25hp. For vehicles up through 2020

Brand:
JH Motorsports - Corporate Logo
ES#:
4046023
Mfg#:
B9A45HFC
Ships in 4 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Short Throw Shifter

ES#2842154 - 004113ECS01A - Adjustable Short Throw Shifter - Find your perfect setting with 4 steps of throw reduction - ECS - Audi

Find your perfect setting with 4 steps of throw reduction 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2842154
Mfg#:
004113ECS01A
In Stock
ON SALE!
$471.99

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

$439.17 USD
Free Shipping
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 For Our 25th Anniversary 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
In Stock
ON SALE! SAVE 41%
$875.99

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

$515.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS4 Engine Mount - Priced Each

ES#2816259 - 8D0199379AD - RS4 Engine Mount - Priced Each - Upgrade to more durable mounts with no modifications necessary - Hamburg Tech - Audi Volkswagen

Upgrade to more durable mounts with no modifications necessary We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816259
Mfg#:
8D0199379AD
In Stock
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 Luft-Technik Intake Air Scoop v2

ES#4315808 - 008184LA01 - Audi B8/B8.5 Luft-Technik Intake Air Scoop v2 - Extends farther down behind the grille to direct more air to the intake system - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4315808
Mfg#:
008184LA01
In Stock
ON SALE! SAVE 10%
$141.99

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

$127.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bosch 550cc Fuel Injector - Priced Each

ES#1897179 - INJB550 - Bosch 550cc Fuel Injector - Priced Each - Compatible with BT software applications. Does NOT include injector plug adapters - Bosch - Audi Volkswagen

Compatible with BT software applications. Does NOT include injector plug adapters 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1897179
Mfg#:
INJB550
In Stock
$77.29

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

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Carbon Fiber Cold Air Intake System

ES#2137103 - CI100021 - APR Carbon Fiber Cold Air Intake System - Great performance and looks for your B8 - APR - Audi

Great performance and looks for your B8 Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
2137103
Mfg#:
CI100021
EO#:
d-783-2
Back Ordered
11% off MSRP

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

$806.99

This product was last offered at the strikethrough price on
07-22-2026

$716.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Engine Mount Kit - Audi B6/B7 A4

ES#2586485 - SM100004KT - Performance Engine Mount Kit - Audi B6/B7 A4 - Includes upgraded RS4 motor mounts, ECS polyurethane snub mount and hardware - Assembled By ECS - Audi

Includes upgraded RS4 motor mounts, ECS polyurethane snub mount and hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586485
Mfg#:
SM100004KT
In Stock
ON SALE!
$266.99

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

$259.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mounts - Pair

ES#3612476 - 034-509-0061KT - Street Density Line Motor Mounts - Pair - Now manufactured with 45 durometer rubber, 034Motorsport's Street Density Mounts are the new standard in comfort and performance! - 034Motorsport - Audi

Now manufactured with 45 durometer rubber, 034Motorsport's Street Density Mounts are the new standard in comfort and performance!

Brand:
034Motorsport - Corporate Logo
ES#:
3612476
Mfg#:
034-509-0061KT
In Stock
$528.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump upgraded unit

ES#2794058 - IEFUVC3 - High Pressure Fuel Pump upgraded unit - New fuel pump with IE internal upgrades already installed - Integrated Engineering - Audi Volkswagen

New fuel pump with IE internal upgrades already installed 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794058
Mfg#:
IEFUVC3
In Stock
$1049.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM Solid Short Throw Shifter

ES#4046142 - STS-B8AS4AS5 - JHM Solid Short Throw Shifter - If you desire the ultimate in shifting, the JH Motorsports B8 A4/A5/S4 and S5 Solid Short Throw Shifter is the perfect solution! - JH Motorsports - Audi

If you desire the ultimate in shifting, the JH Motorsports B8 A4/A5/S4 and S5 Solid Short Throw Shifter is the perfect solution!

Brand:
JH Motorsports - Corporate Logo
ES#:
4046142
Mfg#:
STS-B8AS4AS5
In Stock
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit

ES#3521686 - S-02-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving For sedan models only

Brand:
BC Racing - Corporate Logo
ES#:
3521686
Mfg#:
S-02-BR
In Stock
$1195.00 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.

Let us help you find the parts that fit your Audi

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