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Audi B9 A4 FWD 2.0T

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Audi B9 A4 FWD 2.0T Performance Parts & Upgrades

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Adjustable Front Upper Control Arm Kit

ES#4164442 - 81383 - Adjustable Front Upper Control Arm Kit - Adjust front camber and caster 1.5 on the Audi B9 platform with these forged aluminum adjustable control arms from SPC! - SPC - Audi

Adjust front camber and caster ±1.5° on the Audi B9 platform with these forged aluminum adjustable control arms from SPC!

Brand:
SPC - Corporate Logo
ES#:
4164442
Mfg#:
81383
In Stock at Vendor
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

18" Wheel Spacer Flush Fit Kit - Black Bolts

ES#3106636 - 019204ECS01KT2 - 18" Wheel Spacer Flush Fit Kit - Black Bolts - Includes spacers & Black bolts to obtain a flush look on your OE 18" wheels - ECS - Audi

Includes spacers & Black bolts to obtain a flush look on your OE 18" wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3106636
Mfg#:
019204ECS01KT2
In Stock
ON SALE! SAVE 10%
$259.99

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

$233.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/A5 ECU Cover - Matte Black

ES#3739793 - 028799ECS01 - Audi B9 A4/A5 ECU Cover - Matte Black - Compliment your engine bay and hide away the exposed ECU - ECS - Audi

Compliment your engine bay and hide away the exposed ECU 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3739793
Mfg#:
028799ECS01
In Stock
ON SALE! SAVE 25%
$103.99

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

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Wheel Spacer Pair - 10mm

ES#4020172 - 034-604-7006 - 034Motorsport Wheel Spacer Pair - 10mm - Designed to fit most Audi & Volkswagen vehicles with a 66.5mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi

Designed to fit most Audi & Volkswagen vehicles with a 66.5mm center bore and 5x112mm wheel bolt patterns. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4020172
Mfg#:
034-604-7006
Ships in 2 Business Days
ON SALE! SAVE 14%
$98.00

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

$83.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Front Strut Brace

ES#3199709 - 034-603-0012 - Billet Aluminum Front Strut Brace - Bolt-on upgrade for factory strut brace - Engineered to enhance handling dynamics and performance! - 034Motorsport - Audi

Bolt-on upgrade for factory strut brace - Engineered to enhance handling dynamics and performance! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3199709
Mfg#:
034-603-0012
Ships in 2 Business Days
ON SALE! SAVE 14%
$515.00

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

$440.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1-Piece Rear Brake Rotor Upgrade Kit - Pair (330mm X 22mm)

ES#5446383 - 034-301-2022 - 1-Piece Rear Brake Rotor Upgrade Kit - Pair (330mm X 22mm) - Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use - 034Motorsport - Audi Porsche

Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5446383
Mfg#:
034-301-2022
In Stock
ON SALE! SAVE 10%
$382.00

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

$343.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DRA Series Trak Spacers - 25mm (1 Pair) Black

ES#2731115 - 50556651SW - DRA Series Trak Spacers - 25mm (1 Pair) Black - Get that stance that you've been craving with these new spacers - H&R - Audi Mercedes Benz Porsche

Get that stance that you've been craving with these new spacers We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731115
Mfg#:
50556651SW
In Stock
10% off MSRP

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

$189.99

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

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EMD Auto 15mm Wheel Spacers - Pair (With Bolts)

ES#4042997 - EMD-SPACER15665B - EMD Auto 15mm Wheel Spacers - Pair (With Bolts) - Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore - Emmanuele Design - Audi

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore

Brand:
Emmanuele Design - Corporate Logo
ES#:
4042997
Mfg#:
EMD-SPACER15665B
In Stock
$110.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear 2-Piece Brake Rotors - Pair (330x22)

Replace your rotors with 2-piece rotors from Giro Disc.

Brand:
Girodisc - Corporate Logo
ES#:
4608924
Mfg#:
A2-130
In Stock at Vendor
$995.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Cross Drilled Brake Rotors - Pair (330x22)

ES#4141822 - 4h0615601hdKT - Rear Cross Drilled Brake Rotors - Pair (330x22) - Features an Anti-Corrosion coating "Anti-Z" - Zimmermann - Audi

Features an Anti-Corrosion coating "Anti-Z" We Price Match - Give Us A Call or Chat!

Brand:
Zimmermann - Corporate Logo
ES#:
4141822
Mfg#:
4H0615601HDKT
In Stock
$370.99

This product was last offered at the strikethrough price on
03-23-2026

$225.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 12.5mm With Ball Seat Bolts

ES#2603075 - 002411ECS02AKT3 - Wheel Spacer & Bolt Kit - 12.5mm With 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#:
2603075
Mfg#:
002411ECS02AKT3
Back Ordered
Auto Notify
ON SALE! SAVE 25%
$167.99

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

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DRA Series Trak Spacers - 20mm (1 Pair) Black

ES#2731059 - 40556654SW - DRA Series Trak Spacers - 20mm (1 Pair) Black - Get that stance that you've been craving with these new spacers - H&R - Audi Mercedes Benz Porsche

Get that stance that you've been craving with these new spacers We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731059
Mfg#:
40556654SW
In Stock
10% off MSRP

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

$159.99

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

$143.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front BSD Series Sport Slotted Rotors - Pair (338x30mm)

ES#4760013 - BSD2026 - Front BSD Series Sport Slotted Rotors - Pair (338x30mm) - Upgrade to a Turbo slotted rotor for improved braking - EBC - Audi

Upgrade to a Turbo slotted rotor for improved braking 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
4760013
Mfg#:
BSD2026
In Stock
5% off MSRP

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

$565.99

This product was last offered at the strikethrough price on
08-27-2026

$536.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black

ES#4164511 - 004751la01 - Audi B9 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black - Spice up the exterior of your Audi with gloss black spats! - ECS - Audi

Spice up the exterior of your Audi with gloss black spats! 10X Entries Into Our F80 M3 Sweepstakes

Fits pre-facelift S-Line models up to 2019 model year only

Brand:
ECS - Corporate Logo
ES#:
4164511
Mfg#:
004751LA01
In Stock
ON SALE! SAVE 25%
$133.99

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

$100.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2177173 - 6-ECS-024 - Wheel Spacer & Bolt Kit - 20mm With 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#:
2177173
Mfg#:
6-ECS-024
In Stock
ON SALE! SAVE 10%
$179.99

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

$161.99 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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