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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Performance Parts & Upgrades

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AirGate Carbon Fiber Intake

ES#4043326 - 2660-15028 - AirGate Carbon Fiber Intake - Peak gains of 12 hp and 9 ft-lbs of torque at the wheels for B9 A4/A5 (stock software) - AWE - Audi

Peak gains of 12 hp and 9 ft-lbs of torque at the wheels for B9 A4/A5 (stock software) 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4043326
Mfg#:
2660-15028
Ships in 6 Business Days
$1075.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar End Link - Priced Each

ES#2561116 - 8K0411317D - Front Sway Bar End Link - Priced Each - Fits the left and right side - Lemforder - Audi

Fits the left and right side We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
2561116
Mfg#:
8K0411317D
In Stock
$22.43

This product was last offered at the strikethrough price on
05-26-2026

$18.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Coil Spring Sleeves - Pair

ES#3678259 - 034-404-Z001 - Dynamic+ Coil Spring Sleeves - Pair - These coil spring sleeves are from high-durometer rubber to withstand up to 2,000 pounds of load. - 034Motorsport - Audi Volkswagen

These coil spring sleeves are from high-durometer rubber to withstand up to 2,000 pounds of load. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3678259
Mfg#:
034-404-Z001
In Stock
ON SALE! SAVE 15%
$16.00

This product was last offered at the strikethrough price on
08-17-2026

$13.68 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Street Shield Hardware Kit

ES#3468577 - 019207ECS02KT - Engine Street Shield Hardware Kit - Replacement hardware kit for your front location ECS Street Shield - ECS - Audi

Replacement hardware kit for your front location ECS Street Shield 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3468577
Mfg#:
019207ECS02KT
In Stock
ON SALE! SAVE 10%
$90.99

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

$81.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 5mm With Conical Seat Bolts

ES#2568311 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 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#:
2568311
Mfg#:
6-ECS-015
In Stock
ON SALE! SAVE 25%
$156.99

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

$117.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Front Lower Control Arm Bushing Set

ES#4045819 - PFF3-701 - Performance Front Lower Control Arm Bushing Set - Improves handling and control - upgrade to a more engaging driving experience - Powerflex - Audi

Improves handling and control - upgrade to a more engaging driving experience For the straight control arm
For the straight control arm

Brand:
Powerflex - Corporate Logo
ES#:
4045819
Mfg#:
PFF3-701
In Stock
$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 15mm (1 Pair)

ES#3570123 - MS100168 - Wheel Spacer Kit - 15mm (1 Pair) - 15mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi

15mm spacers to perfectly dial in your stance or clear your big brake kit! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3570123
Mfg#:
MS100168
Ships in 5 Business Days
$129.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 8mm with Black Ball Seat Bolts

ES#2788501 - 002411ECS04A8KT2 - Wheel Spacer & Bolt Kit - 8mm with Black Ball Seat Bolts - Includes everything you need to install our new wheel-centric spacers on two wheels - ECS - Audi

Includes everything you need to install our new wheel-centric spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes
Designed to be used with OE wheels only

Brand:
ECS - Corporate Logo
ES#:
2788501
Mfg#:
002411ECS04A8KT2
Ships on Jan 6, 2027
ON SALE!
$134.99

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

$128.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

12.5mm Wheel Spacers - Black (Pair)

ES#3476431 - 021460TMS03-02 - 12.5mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476431
Mfg#:
021460TMS03-02
Ships on Sep 11, 2026
Auto Notify
ON SALE! SAVE 53%
$243.99

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

$113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EU Series Coilover

Prioritizing ride comfort for those seeking to increase the vehicle's exterior aesthetics while retaining a nice ride. For vehicles equipped with 53mm lower strut diameters, Vehicles equipped with DDC

Brand:
Megan Racing - Corporate Logo
ES#:
4831058
Mfg#:
MR-CDK-AA517-53-
Ships in 5 Business Days
$999.00 USD

Luft-Technik Intake Air Scoop

ES#3183334 - 019848ECS01 - Luft-Technik Intake Air Scoop - 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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3183334
Mfg#:
019848ECS01
In Stock
ON SALE! SAVE 10%
$135.99

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

$122.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Kit - Polished

ES#3499516 - FMDVMK7RC - Diverter Valve Kit - Polished - Cure your leaking valve problems for good! - Forge - Audi Volkswagen Porsche

Cure your leaking valve problems for good!

Brand:
Forge - Corporate Logo
ES#:
3499516
Mfg#:
FMDVMK7RC
Ships on Sep 10, 2026
$323.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034 Motorsports Performance Air Filter 5" Inlet - Conical

ES#4615835 - 034-108-B016 - 034 Motorsports Performance Air Filter 5" Inlet - Conical - Direct replacement for the 034Motorsport B9 Audi P34 Intake System. - 034Motorsport - Audi

Direct replacement for the 034Motorsport B9 Audi P34 Intake System. 2X Entries Into Our F80 M3 Sweepstakes
Replacement filter for ES#3419046

Brand:
034Motorsport - Corporate Logo
ES#:
4615835
Mfg#:
034-108-B016
Ships in 3 Business Days
ON SALE! SAVE 14%
$113.00

This product was last offered at the strikethrough price on
08-17-2026

$96.62 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2-Piece Floating Rear Brake Rotor Upgrade - Red Carriers (370x22)

ES#5374284 - 034-301-2015-RED - 2-Piece Floating Rear Brake Rotor Upgrade - Red Carriers (370x22) - Reduces rotational weight by 1.6lbs on each corner and increases rotor diameter from 330mm to 370mm! - 034Motorsport - Audi

Reduces rotational weight by 1.6lbs on each corner and increases rotor diameter from 330mm to 370mm! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5374284
Mfg#:
034-301-2015-RED
Ships in 3 Business Days
ON SALE! SAVE 14%
$1128.00

This product was last offered at the strikethrough price on
08-17-2026

$964.44 USD
Free Shipping

Burger Motorsports JB4 Tuner - Group 6

ES#3514913 - JB4-MLB-2.0 - Burger Motorsports JB4 Tuner - Group 6 - Features CAN-Bus connectivity for more advanced tuning gain up to 50hp/70lb-ft on a stock car, 75hp/90lb-ft on a modified car - Burger Motorsports - Audi

Features CAN-Bus connectivity for more advanced tuning — gain up to 50hp/70lb-ft on a stock car, 75hp/90lb-ft on a modified car Not for sale or use in the state of California.
For 252hp engine variant only

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514913
Mfg#:
JB4-MLB-2.0
Ships on Sep 11, 2026
$479.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Side Blade Set

ES#3195012 - 019189ecs01KT - Carbon Fiber Side Blade Set - Add a touch of style made with real carbon fiber to your Audi - ECS - Audi

Add a touch of style made with real carbon fiber to your Audi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3195012
Mfg#:
019189ECS01KT
Ships on Jan 27, 2027
ON SALE! SAVE 10%
$1050.99

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

$945.89 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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