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Your Vehicle Audi B9 A4 Quattro 2.0T

Audi B9 A4 Quattro 2.0T Performance Parts & Upgrades

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The ultimate in coilover technology, featuring double adjustable damping affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For sedan models without factory Electronic Damping Control - For models with 48.5mm front strut body. Range of lowering is 1.2-2.2" in the front and 1.4-2.4" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
4056870
Mfg#:
352100BM
Ships in 4 Business Days
$3094.00 USD
Free Shipping

Downpipe with HJS 200-Cell High Flow Cat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4159430
Mfg#:
SSXAU744
Ships in 3 Business Days
$1514.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Designed for the daily-driven, weekend track warrior - Rated at 600 Ft-Lb affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
4751390
Mfg#:
K70614F-SS-O
Ships in 1 Business Day
$3841.99 USD
Free Shipping
on orders $49 and up

Precision-machined billet aluminum rear subframe inserts that eliminate unwanted chassis flex and sharpen the handling of your B9 Audi. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477665
Mfg#:
TGK-0404-08
Ships in 5 Business Days
$329.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sharpen handling and lock down your Audi B9 or B9.5's chassis by eliminating rear-end slop with this premium billet aluminum subframe insert kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477663
Mfg#:
TGK-0404-06
Ships in 5 Business Days
$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A direct-replacement sealed monoball bushing that replaces the factory rubber to eliminate forward front lower control arm deflection. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477700
Mfg#:
TGK-0411-05
Ships in 5 Business Days
$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A direct-replacement spherical monoball kit for B9 Audi thrust arms that replaces the factory rubber bushings to eliminate unwanted suspension deflection. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477699
Mfg#:
TGK-0411-04
Ships in 5 Business Days
$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

From low-dust daily driving to full race endurance, iSWEEP brake pads deliver precision-tuned compounds that give you the exact bite, control, and fade resistance your driving demands. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
iSWEEP - Corporate Logo
ES#:
5433712
Mfg#:
IS.XXX.1555
Ships in 2 Business Days
Starting at $150.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3690535 - b9a420tstg1KT1 - APR Plus ECU Upgrade  - Higher peak figures of 306 HP with 376 FT-LBS of torque - *with APR PLUS limited powertrain warranty* - APR - Audi Porsche

Higher peak figures of 306 HP with 376 FT-LBS of torque - *with APR PLUS limited powertrain warranty* 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
3690535
Mfg#:
B9A420TSTG1KT1
Ships in 1 day
$1099.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Keep your exterior lights shining bright affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For pre-facelift models only. Fits through the 2019 model year.

Brand:
Assembled By ECS - Corporate Logo
ES#:
4782878
Mfg#:
8W0941773BAKT
Ships in 1 day
$5075.00

This product was last offered at the strikethrough price on
05-07-2026

$4930.00 USD
Free Shipping
on orders $49 and up

Keep your exterior lights shining bright affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For pre-facelift models only. Fits through the 2019 model year.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4782860
Mfg#:
8W0941773BKT
Ships in 1 day
$7262.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Keep your exterior lights shining bright affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Facelift models only. Fits from the 2020 model year.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4782865
Mfg#:
8W0941033FKT
Ships in 1 day
$7029.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5470739 - T9381sd - DV+ Performance Diverter Valve - With Pierburg Valve *Scratch And Dent* - Features a low-profile integrated solenoid to make it shorter and more compact than even the factory diverter, ensuring it will fit the tightest applications. - Scratch & Dent - Audi Volkswagen Porsche

Features a low-profile integrated solenoid to make it shorter and more compact than even the factory diverter, ensuring it will fit the tightest applications. ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2020 year.

Brand:
Scratch & Dent - Corporate Logo
ES#:
5470739
Mfg#:
T9381SD
Ships in 1 Business Day
Limited Qty Sale
$252.99

This product was last offered at the strikethrough price on
06-24-2026

$223.00 USD
ES#3979037 - 02390-HDC6-SK - Clutch Masters FX400 Clutch Kit & Single Mass Flywheel - Features a Heavy duty pressure plate, 6-puck ceramic sprung clutch disc, and a Steel Single Mass Flywheel - Clutch Masters - Audi

Features a Heavy duty pressure plate, 6-puck ceramic sprung clutch disc, and a Steel Single Mass Flywheel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Clutch Masters - Corporate Logo
ES#:
3979037
Mfg#:
02390-HDC6-SK
Ships in 7 Business Days
15% off MSRP

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

$2598.99

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

$2208.99 USD
Free Shipping
on orders $49 and up

Features a Heavy-Duty Pressure Plate and utilizes a steel backed segmented Kevlar disc. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Clutch Masters - Corporate Logo
ES#:
4758997
Mfg#:
02390-HDTZ-SK
Ships in 7 Business Days
15% off MSRP

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

$2475.00

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

$2103.99 USD
Free Shipping

High-Performance kit includes OEM Carbon Ceramic Rotors, Calipers, and Pads found on the 'Dynamic Plus' Package B9 RS5 models affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3610548
Mfg#:
4K0615301DKT1
Ships in 6 Business Days
$20191.99 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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