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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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Turbo Muffler Delete Pipe Adapter O-ring - Priced Each

ES#3147457 - 9263K129 - Turbo Muffler Delete Pipe Adapter O-ring - Priced Each - Replacement O-ring for ECS Turbo Muffler Delete Pipe - ECS - Audi Volkswagen

Replacement O-ring for ECS Turbo Muffler Delete Pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3147457
Mfg#:
9263K129
In Stock
ON SALE! SAVE 25%
$23.99

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

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 A5/S5 RS5 Front And Rear Adjustable Sway Bar Kit

ES#4065005 - 022847ecs01KT1 - Audi B9 A4/S4 A5/S5 RS5 Front And Rear Adjustable Sway Bar Kit - 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#:
4065005
Mfg#:
022847ECS01KT1
Ships on Nov 10, 2026
Auto Notify
ON SALE!
$722.99

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

$686.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M14 Titanium Wheel Stud Kit - Raw - Set Of 20

ES#4487743 - TISTUD20145RAW - M14 Titanium Wheel Stud Kit - Raw - 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#:
4487743
Mfg#:
TISTUD20145RAW
Ships on Jul 17, 2026
$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4 Pre-facelift Front Lip, Rear Diffuser & Trunk Spoiler

ES#5446989 - 028801ECS01EB3KT - Audi B9 A4 Pre-facelift Front Lip, Rear Diffuser & Trunk Spoiler - Add some aggressive styling to your Audi! - Enthusiast Bundles - Audi

Add some aggressive styling to your Audi! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
5446989
Mfg#:
028801ECS01EB3KT
In Stock
ON SALE! SAVE 38%
$1086.35

This product was last offered at the strikethrough price on
05-06-2026

$669.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Exact-Fit Stainless Steel Brake Lines

ES#3410498 - 019318ECS01 - Front Exact-Fit Stainless Steel Brake Lines - Front set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Front set of DOT-compliant lines for an improved pedal feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3410498
Mfg#:
019318ECS01
In Stock
ON SALE!
$140.99

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

$133.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Special Active Front Strut - Priced Each

ES#4698695 - 82451406 - 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 (49mm diameter strut)

Brand:
Koni - Corporate Logo
ES#:
4698695
Mfg#:
82451406
Back Ordered
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

EMD Wheel Spacer & Bolt Kit - 10mm With Conical Seat Bolts

Includes everything you need to install spacers on two wheels 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#:
4430382
Mfg#:
EMDSPACER10665CB
In Stock at Vendor
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Performance TCU Tune

ES#4758969 - IESOWF1 - IE Performance TCU Tune - Higher RPM limit, faster shifts, optimized shift points, and adjustable launch control - Integrated Engineering - Audi

Higher RPM limit, faster shifts, optimized shift points, and adjustable launch control affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4758969
Mfg#:
IESOWF1
In Stock
ON SALE! SAVE 10%
$728.99

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

$656.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Neuspeed Power Module EVO - B9 A4 FWD

ES#4906479 - 64.02.12 - Neuspeed Power Module EVO - B9 A4 FWD - Proprietary tune box designed specifically for the EA888.3B 2.0L Ultra TFSI with gains of +50 Horsepower / 65 ft-lb of Torque! - Neuspeed - Audi

Proprietary tune box designed specifically for the EA888.3B 2.0L Ultra TFSI with gains of +50 Horsepower / 65 ft-lb of Torque! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Fits vehicles up to 2019

Brand:
Neuspeed - Corporate Logo
ES#:
4906479
Mfg#:
64.02.12
Ships in 3 Business Days
$649.00 USD
Free Shipping

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

ES#2788499 - 002411ECS04A8KT - Wheel Spacer & Bolt Kit - 8mm with 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Designed to be used with OE wheels only

Brand:
ECS - Corporate Logo
ES#:
2788499
Mfg#:
002411ECS04A8KT
Ships on Nov 10, 2026
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

Rear Slotted (Blade) Brake Rotors - Pair (300x12)

ES#3131991 - BSD1535 - Rear Slotted (Blade) Brake Rotors - Pair (300x12) - The Uniquely created blade slot design helps to remove hot gases from the braking zone in a quick and efficient way - EBC - Audi

The Uniquely created blade slot design helps to remove hot gases from the braking zone in a quick and efficient way affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
3131991
Mfg#:
BSD1535
In Stock at Vendor
5% off MSRP

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

$335.99

This product was last offered at the strikethrough price on
06-30-2026

$318.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI Complete Replacement Shift Paddles - Audi 4M - Black Anodized

ES#4743091 - 8234-4M-701 - BFI Complete Replacement Shift Paddles - Audi 4M - Black Anodized - Designed for enthusiasts to give both an improved feel and better paddle access across a larger degree of the steering wheel. - Black Forest Industries - Audi

Designed for enthusiasts to give both an improved feel and better paddle access across a larger degree of the steering wheel. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4743091
Mfg#:
8234-4M-701
Ships in 3 Business Days
$314.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline 10mm Wheel Spacers - Black (Pair)

ES#4755582 - LS23.10MM - Rennline 10mm Wheel Spacers - Black (Pair) - Improve the look of your vehicle with spacers - Rennline - Audi Porsche

Improve the look of your vehicle with spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
4755582
Mfg#:
LS23.10MM
In Stock
$125.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Adjustable Front Sway End Links

ES#5375255 - IESSCK4 - IE Adjustable Front Sway End Links - Easy adjustments perfect any ride height and provide tight, responsive handling - Integrated Engineering - Audi

Easy adjustments perfect any ride height and provide tight, responsive handling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375255
Mfg#:
IESSCK4
Ships in 3 Business Days
ON SALE! SAVE 10%
$229.99

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

$206.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Front Sway Bar Upgrade

ES#5375237 - IESSCK3 - IE Front Sway Bar Upgrade - Direct bolt-in replacement with adjustable stiffness for reduced body roll and increased grip! - Integrated Engineering - Audi

Direct bolt-in replacement with adjustable stiffness for reduced body roll and increased grip! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This front sway bar must be paired with the matching iE Rear Sway Bar (IESSCK1)

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375237
Mfg#:
IESSCK3
Ships in 2 Business Days
ON SALE! SAVE 10%
$339.99

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

$305.99 USD
This product is lifetime replacement eligible Lifetime Replacement

H&R Quick-Safe Stud Conversion Kit

ES#2730962 - Q-SPack45-50 - H&R Quick-Safe Stud Conversion Kit - Set of 20 studs. M14 x 1.5 x 50 - H&R - Audi Volkswagen

Set of 20 studs. M14 x 1.5 x 50 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#:
2730962
Mfg#:
Q-SPACK45-50
Ships in 4 Business Days
$150.99 USD
Free Shipping
on orders $49 and up
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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Manufacturer names and/or part numbers are used only for identification purposes.

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