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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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YellowStuff Performance Brake Pad Set - Front & Rear

ES#4500187 - dp42290rKT - YellowStuff Performance Brake Pad Set - Front & Rear - EBC's premium sport street pad that offers high friction levels and heat fade resistance - EBC - Audi

EBC's premium sport street pad that offers high friction levels and heat fade resistance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
4500187
Mfg#:
DP42290RKT
Ships on Jul 24, 2026
$486.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2568317 - 6-ECS-024 - Wheel Spacer & Bolt Kit - 20mm 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2568317
Mfg#:
6-ECS-024
Ships in 9 Business Days
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

Wheel Spacer & Bolt Kit - 8mm With Conical Seat Bolts

ES#2568314 - 6-ECS-018 - Wheel Spacer & Bolt Kit - 8mm 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2568314
Mfg#:
6-ECS-018
In Stock
ON SALE! SAVE 10%
$134.99

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

$121.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Block Off Plate

ES#2992471 - CTSHW049 - Diverter Valve Block Off Plate - Commonly used for running aftermarket diverter and blow off valves - CTS - Audi Volkswagen

Commonly used for running aftermarket diverter and blow off valves affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
2992471
Mfg#:
CTSHW049
In Stock
ON SALE! SAVE 15%
$29.99

This product was last offered at the strikethrough price on
06-25-2026

$25.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 A4/S4 Race Tow Strap - Red

ES#3569432 - 023419ECS01-07 - B9 A4/S4 Race Tow Strap - Red - Look great on the track or street! - ECS - Audi

Look great on the track or street! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3569432
Mfg#:
023419ECS01-07
In Stock
ON SALE! SAVE 30%
$112.99

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

$79.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 7mm (1 Pair)

ES#3570119 - MS100164 - Wheel Spacer Kit - 7mm (1 Pair) - 7mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi

7mm spacers to perfectly dial in your stance or clear your big brake kit! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3570119
Mfg#:
MS100164
Ships in 7 Business Days
11% off MSRP

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

$103.99

This product was last offered at the strikethrough price on
06-25-2026

$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motorsport Adjustable Rear Toe Links

ES#4669425 - 034-407-1009 - Motorsport Adjustable Rear Toe Links - A direct, drop-in upgrade for the cast steel factory rear toe links - 034Motorsport - Audi

A direct, drop-in upgrade for the cast steel factory rear toe links affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4669425
Mfg#:
034-407-1009
Ships in 2 Business Days
$463.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AFE Power SCORCHER GT Module

ES#3438561 - 77-46405 - AFE Power SCORCHER GT Module - A simple 30 minute install that will give you a huge increase in power! - AFE - Audi Volkswagen

A simple 30 minute install that will give you a huge increase in power! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
3438561
Mfg#:
77-46405
In Stock
20% off MSRP

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

$563.99

This product was last offered at the strikethrough price on
01-28-2026

$451.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Momentum GT Cold Air Intake System With Pro Dry S Filter

ES#3978860 - 50-70032D - Momentum GT Cold Air Intake System With Pro Dry S Filter - This intake delivers proven performance improvements and an aggressive turbo spool sound when under power. - AFE - Audi

This intake delivers proven performance improvements and an aggressive turbo spool sound when under power. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
3978860
Mfg#:
50-70032D
Back Ordered
20% off MSRP

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

$563.99

This product was last offered at the strikethrough price on
05-27-2026

$451.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip RS With App Control

Get up to +55 hp and +61 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For pre-facelift vehicles with CYMC engine Code

Brand:
Race Chip - Corporate Logo
ES#:
4339090
Mfg#:
906972
Ships in 3 Business Days
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

18" Wheel Spacer Flush Fit Kit - Polished Bolts

ES#3103499 - 019204ecs01KT - 18" Wheel Spacer Flush Fit Kit - Polished Bolts - Includes spacers & Polished bolts to obtain a flush look on your OE 18" wheels - ECS - Audi

Includes spacers & Polished bolts to obtain a flush look on your OE 18" wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3103499
Mfg#:
019204ECS01KT
Back Ordered
Auto Notify
ON SALE! SAVE 15%
$263.99

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

$224.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing Hook-Up - Polished

ES#3137380 - 005887ECS01KT3 - Billet Aluminum Oil Filter Housing Hook-Up - Polished - Includes free Hengst Oil Filter with purchase of ECS Billet Oil Filter Housing - Limited time only! - Assembled By ECS - Audi

Includes free Hengst Oil Filter with purchase of ECS Billet Oil Filter Housing - Limited time only! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3137380
Mfg#:
005887ECS01KT3
In Stock
ON SALE! SAVE 19%
$137.99

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

$112.14 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

EMD Auto 12.5mm Wheel Spacers - Pair (With Bolts)

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
Emmanuele Design - Corporate Logo
ES#:
4430394
Mfg#:
SPACER125665CB
In Stock at Vendor
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers - 12mm (1 Pair)

ES#2538524 - 2455668 - DR Series Wheel Spacers - 12mm (1 Pair) - Get a new set of spacers and widen the stance of your vehicle - H&R - Audi MINI Porsche

Get a new set of spacers and widen the stance of your vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Maximum factory hub height of up to 13.5mm. Inside wheel bevel = 4.0 x 45 degrees

Brand:
H&R - Corporate Logo
ES#:
2538524
Mfg#:
2455668
Ships in 3 Business Days
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MST Performance Cold Air Intake System

ES#4440481 - AD-A405 - MST Performance Cold Air Intake System - Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood. - MST Performance - Audi

Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MST Performance - Corporate Logo
ES#:
4440481
Mfg#:
AD-A405
Special Order: No Guaranteed ETA
$426.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front V5 Slotted Brake Rotors - Pair (338x30)

ES#4668185 - 8W0615301AB-S - Front V5 Slotted Brake Rotors - Pair (338x30) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - Audi

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with 338x30mm rotors check your rotor size before ordering

Brand:
ECS - Corporate Logo
ES#:
4668185
Mfg#:
8W0615301AB-S
Ships in 5 Business Days
ON SALE!
$439.99

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

$426.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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