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Audi S4 Performance Parts & Upgrades

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Adjustable Spherical Rear Swaybar Endlink Set

ES#5477685 - TGK-0408-02 - Adjustable Spherical Rear Swaybar Endlink Set - Address clearance issues that may arise from lowering your car - TGK Motorsport - Audi Porsche

Address clearance issues that may arise from lowering your car

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477685
Mfg#:
TGK-0408-02
Ships in 5 Business Days
$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Carbon Intake System Without Turbo Inlet

ES#4669287 - UH029-INA - Unitronic Carbon Intake System Without Turbo Inlet - improved throttle response, seamless integration and perfect fitment while greatly enhancing turbo induction sounds. - Unitronic - Audi

improved throttle response, seamless integration and perfect fitment while greatly enhancing turbo induction sounds.

Brand:
Unitronic - Corporate Logo
ES#:
4669287
Mfg#:
UH029-INA
Ships in 5 Business Days
$1469.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Carbon Fiber Intake System 3.0TFSI B9 S4/S5

ES#4362353 - UH017-INA - Unitronic Carbon Fiber Intake System 3.0TFSI B9 S4/S5 - Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle. - Unitronic - Audi

Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle.

Brand:
Unitronic - Corporate Logo
ES#:
4362353
Mfg#:
UH017-INA
Ships in 5 Business Days
$1469.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Bench Harness For ALx52

ES#5480399 - UH016-TLA - Unitronic Bench Harness For ALx52 - Say goodbye to your locked "401" bootloader thanks to Unitronic new TCU Unlock Tools which are seamlessly integrated with the UniCONNECT+ flashing application for end-users. - Unitronic - Audi

Say goodbye to your locked "401" bootloader thanks to Unitronic new TCU Unlock Tools which are seamlessly integrated with the UniCONNECT+ flashing application for end-users.

Brand:
Unitronic - Corporate Logo
ES#:
5480399
Mfg#:
UH016-TLA
Ships in 5 Business Days
$74.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Carbon Intake System - TTE720 Turbo Inlet

ES#4669284 - UH030-51-INA - Unitronic Carbon Intake System - TTE720 Turbo Inlet - improved throttle response, seamless integration and perfect fitment while greatly enhancing turbo induction sounds. - Unitronic - Audi

improved throttle response, seamless integration and perfect fitment while greatly enhancing turbo induction sounds.

Brand:
Unitronic - Corporate Logo
ES#:
4669284
Mfg#:
UH030-51-INA
Ships in 5 Business Days
$2085.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Front Engine Mounts - Black (Track)

ES#4701554 - ELA-001-85 - Polyurethane Front Engine Mounts - Black (Track) - Performance engine mounts to increase drivetrain rigidity - Verkline - Audi

Performance engine mounts to increase drivetrain rigidity

Brand:
Verkline - Corporate Logo
ES#:
4701554
Mfg#:
ELA-001-85
Ships in 10 Business Days
$240.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Weistec Audi / Porsche VAG EA839 3.0T W.3 Turbo Upgrade

ES#4715588 - 01-839-02087-8 - Weistec Audi / Porsche VAG EA839 3.0T W.3 Turbo Upgrade - 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core. - Weistec - Audi Porsche

100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core. You are required to ship Weistec your OE turbochargers as a core.

Brand:
Weistec - Corporate Logo
ES#:
4715588
Mfg#:
01-839-02087-8
Ships in 1 Business Day
$2199.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Brake Pad Set

Quality brake pads from an original equipment supplier

Brand:
Akebono - Corporate Logo
ES#:
5445253
Mfg#:
B9SFRP5KT
Ships in 1 Business Day
$370.99

This product was last offered at the strikethrough price on
07-23-2026

$262.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

ARMYTRIX Sport Cat-Pipe

Sport Cat-Pipe with 200 CPSI Catalytic Converter - Increase power, reduce weight, and improve sound!

Brand:
Armytrix - Corporate Logo
ES#:
4164584
Mfg#:
AU94S-CD
Ships on Nov 13, 2026
$2618.00 USD
Free Shipping

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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