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Audi B9 A4 Quattro 2.0T Performance Parts & Upgrades

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ES#2738366 - FMDVMK7R - Diverter Valve Kit - Black - Cure your leaking valve problems for good! - Forge - Audi Volkswagen Porsche

Cure your leaking valve problems for good! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
2738366
Mfg#:
FMDVMK7R
Ships in 3 Business Days
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4027361 - 022847ecs01KT - Audi B9 A4/S4 A5/S5 RS5 Front Adjustable Sway Bar - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4027361
Mfg#:
022847ECS01KT
Ships on Nov 4, 2026
ON SALE! SAVE 10%
$374.81

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

$337.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4007245 - TS-0204-1131 - Turbosmart Gen-V Race Port BOV - Blue - The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines - TurboSmart - Audi Volkswagen

The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*General use blow off valve for custom big turbo applications - Not a direct fit valve*

Brand:
TurboSmart - Corporate Logo
ES#:
4007245
Mfg#:
TS-0204-1131
In Stock at Vendor
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4487741 - TISTUD20145BURN - M14 Titanium Wheel Stud Kit - Burnt - Set Of 20 - M14x1.5x75mm with conical nuts - Vargas Turbo Technologies - Audi Volkswagen

M14x1.5x75mm with conical nuts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4487741
Mfg#:
TISTUD20145BURN
Ships in 10 Business Days
$335.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4701360 - 82451396 - Special Active Front Strut - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without electronic suspension (53mm diameter strut)

Brand:
Koni - Corporate Logo
ES#:
4701360
Mfg#:
82451396
Ships in 5 Business Days
ON SALE! SAVE 20%
$207.99

This product was last offered at the strikethrough price on
03-02-2026

$165.70 USD
Free Shipping
on orders $49 and up
ES#5457158 - IESSCK2 - IE Lowering Springs - Performance without the punishment: get a connected, aggressive stance while maintaining the ride comfort of your factory dampers. - Integrated Engineering - Audi

Performance without the punishment: get a connected, aggressive stance while maintaining the ride comfort of your factory dampers. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457158
Mfg#:
IESSCK2
In Stock
ON SALE! SAVE 10%
$324.99

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

$292.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4147672 - 034-402-Z020 - Adjustable Front Sway Bar End Link Rebuild Kit - 034Motorsport is proud to offer a rebuild kit for their MkV/MkVI/MkVII Volkswagen & 8J/8P/8V/8S, B8/B8.5/B9 Audi Adjustable Sway Bar End Links! - 034Motorsport - Audi

034Motorsport is proud to offer a rebuild kit for their MkV/MkVI/MkVII Volkswagen & 8J/8P/8V/8S, B8/B8.5/B9 Audi Adjustable Sway Bar End Links! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*To be used with adjustable end link kits: 034-402-4006, 034-402-4025, & 034-402-4002

Brand:
034Motorsport - Corporate Logo
ES#:
4147672
Mfg#:
034-402-Z020
Ships in 2 Business Days
$106.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4476374 - B9A4FLUSHKT - 18" Wheel Spacer Flush Fit Kit - Black Bolts - Includes spacers & Black bolts to obtain a flush look on your OE 18" wheels - Assembled By ECS - Audi

Includes spacers & Black 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:
Assembled By ECS - Corporate Logo
ES#:
4476374
Mfg#:
B9A4FLUSHKT
Ships in 3 Business Days
ON SALE!
$319.99

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

$315.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4499834 - RA841M200000 - Revo OEM+ Air Intake System - Get impressive performance benefits without compromising on the factory look of your engine bay. - REVO - Audi

Get impressive performance benefits without compromising on the factory look of your engine bay. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4499834
Mfg#:
RA841M200000
Back Ordered
$315.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4220062 - 77-16408 - Sprint Booster V3 Power Converter - Improve your Audi's throttle response and overall drivability with this Sprint Booster Power Converter. - AFE - Audi

Improve your Audi's throttle response and overall drivability with this Sprint Booster Power Converter. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4220062
Mfg#:
77-16408
In Stock at Vendor
20% off MSRP

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

$392.99

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

$314.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4031329 - DP22290 - Front Greenstuff Performance Brake Pad Set - Designed as a mildly upgraded pad, great for an afternoon of sporty driving. - EBC - Audi

Designed as a mildly upgraded pad, great for an afternoon of sporty driving. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
4031329
Mfg#:
DP22290
Ships in 1 Business Day
5% off MSRP

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

$324.99

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

$307.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4698693 - 82401319SPORT - Rear Sport Shock - Priced Each - Tighten up your Audi with these Koni shocks - Koni - Audi

Tighten up your Audi with these Koni shocks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without electronic suspension

Brand:
Koni - Corporate Logo
ES#:
4698693
Mfg#:
82401319SPORT
Ships in 5 Business Days
ON SALE! SAVE 21%
$190.99

This product was last offered at the strikethrough price on
02-27-2026

$151.80 USD
Free Shipping
on orders $49 and up
ES#3667767 - 026829ECS01 - Audi B9 Engine Bay Block Off Plugs - Set - Keep your engine bay clean and pristine! - ECS - Audi

Keep your engine bay clean and pristine! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3667767
Mfg#:
026829ECS01
In Stock
ON SALE! SAVE 89%
$45.99

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

$4.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2730940 - Q-SPack45-60 - H&R Quick-Safe Stud Conversion Kit  - Set of 20 studs. M14 x 1.5 x 60 - H&R - Audi Volkswagen

Set of 20 studs. M14 x 1.5 x 60 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!

Brand:
H&R - Corporate Logo
ES#:
2730940
Mfg#:
Q-SPACK45-60
Ships in 3 Business Days
$150.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4843177 - 034-3ZZ-0007 - 034Motorsport Titanium Brake Pad Shim Kit For RS+ Big Brake Package - Designed to reduce heat transfer between your brake pads and calipers, preventing brake fluid from overheating and fade during intense use. - 034Motorsport - Audi

Designed to reduce heat transfer between your brake pads and calipers, preventing brake fluid from overheating and fade during intense use. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 034Motorsport RS+ Big Brake Package only.

Brand:
034Motorsport - Corporate Logo
ES#:
4843177
Mfg#:
034-3ZZ-0007
Ships in 2 Business Days
$141.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4042995 - EMD-SPACER-15665 - EMD Auto 15mm Wheel Spacers - Pair - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4042995
Mfg#:
EMD-SPACER-15665
Ships in 6 Business Days
$70.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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