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Audi S4 Performance Parts & Upgrades

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Diverter (Bypass) Valve OEM 710N

ES#4880731 - 034-145-5001 - Diverter (Bypass) Valve OEM 710N - New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. - 034Motorsport - Audi Volkswagen

New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2 required

Brand:
034Motorsport - Corporate Logo
ES#:
4880731
Mfg#:
034-145-5001
In Stock
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 6mm (Pair)

ES#2063852 - 002403ECS01A06Kt - ECS Wheel Spacers - 6mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2063852
Mfg#:
002403ECS01A06KT
In Stock
$90.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Toe Arms With Spherical Bearings

ES#4447729 - AK-275-A - Adjustable Rear Toe Arms With Spherical Bearings - Solid spherical bushings and adjustable lengths for perfectly dialed in camber settings. Adjustment range of +/-3.00 Degrees - GODSPEED - Audi

Solid spherical bushings and adjustable lengths for perfectly dialed in camber settings. Adjustment range of +/-3.00 Degrees affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
GODSPEED - Corporate Logo
ES#:
4447729
Mfg#:
AK-275-A
Ships in 9 Business Days
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE 3.0T High Pressure Fuel Pump (HPFP) Assembly Tool

ES#4642771 - IEFUVO1-5 - IE 3.0T High Pressure Fuel Pump (HPFP) Assembly Tool - Required install tool for ES4642770 - Integrated Engineering - Audi

Required install tool for ES4642770 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4642771
Mfg#:
IEFUVO1-5
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve - 1.8T/2.7T - Priced Each

ES#3647467 - ST-AIVN-1103S - Supertech Stainless Intake Valve - 1.8T/2.7T - Priced Each - Stock sized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

Stock sized valve head diameter, single groove keeper setup for high RPM use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Valves priced individually - For 1.8T - qty 12 needed / For 2.7T - qty 18 needed - Please see long description for additional valve seal/keeper informa

Brand:
Supertech - Corporate Logo
ES#:
3647467
Mfg#:
ST-AIVN-1103S
Back Ordered
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Revo 3.0T Air Intake System

ES#4499782 - RA221M200200 - Revo 3.0T Air Intake System - Along with an aggressive intake sound, more air means access to more power throughout the rev-range. - REVO - Audi

Along with an aggressive intake sound, more air means access to more power throughout the rev-range. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4499782
Mfg#:
RA221M200200
In Stock
$537.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - Black - 3 Way adjustable Vacuum Port

ES#3214561 - FMDV008PA - 008 Premium Diverter Valve - Black - 3 Way adjustable Vacuum Port - Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3214561
Mfg#:
FMDV008PA
Back Ordered
$268.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Carrier Mount Insert Kit

ES#2966689 - 034-505-2016 - Rear Differential Carrier Mount Insert Kit - Installation is very simple, can be performed in minutes, and is completely reversible. - 034Motorsport - Audi

Installation is very simple, can be performed in minutes, and is completely reversible. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2966689
Mfg#:
034-505-2016
Ships in 2 Business Days
$134.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Track Density Line Transmission Mount - Priced Each

ES#2951989 - 034-509-4006td - Track Density Line Transmission Mount - Priced Each - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Automatic transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
2951989
Mfg#:
034-509-4006TD
Back Ordered
Auto Notify
$67.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SuperDuper Turbo Inlet Pipe Rebuild Kit - B9/B9.5 Audi S4/S5/SQ5 3.0T

ES#4905843 - 034-108-R001 - SuperDuper Turbo Inlet Pipe Rebuild Kit - B9/B9.5 Audi S4/S5/SQ5 3.0T - Includes new replacement O-rings and Hardware for those lost or damaged during installation. - 034Motorsport - Audi

Includes new replacement O-rings and Hardware for those lost or damaged during installation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4905843
Mfg#:
034-108-R001
In Stock
$7.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 Stage 2 Engine Mount Kit With Snub Mount

ES#4044639 - ebfib56es2KT - Audi B6/B7 Stage 2 Engine Mount Kit With Snub Mount - Keep your engine planted and transfer as much power to the ground as possible - Black Forest Industries - Audi Volkswagen

Keep your engine planted and transfer as much power to the ground as possible affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4044639
Mfg#:
EBFIB56ES2KT
Ships on Jul 14, 2026
$529.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Bolt-On - 180mm)

ES#4017699 - CTS-HW-435 - CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Bolt-On - 180mm) - Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
4017699
Mfg#:
CTS-HW-435
Special Order: No Guaranteed ETA
$529.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 180mm)

ES#4017693 - CTS-HW-433 - CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 180mm) - Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
4017693
Mfg#:
CTS-HW-433
Special Order: No Guaranteed ETA
$529.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Drop-In Fuel Pump Upgrade Kit - Bosch Motorsport 044

ES#3419589 - 034-106-6014 - Billet Drop-In Fuel Pump Upgrade Kit - Bosch Motorsport 044 - Features Motorsport Bosch 044 fuel pump with billet 034 mounting bracket for a direct-fit. - 034Motorsport - Audi

Features Motorsport Bosch 044 fuel pump with billet 034 mounting bracket for a direct-fit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3419589
Mfg#:
034-106-6014
Ships in 2 Business Days
$526.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Clutch Kit

ES#3090773 - SA602 - Stage 2 Clutch Kit - Features a full faced, steel backed, pure kevlar disc with a torque rating of 367 ft/lbs - Spec Clutches - Audi

Features a full faced, steel backed, pure kevlar disc with a torque rating of 367 ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spec Clutches - Corporate Logo
ES#:
3090773
Mfg#:
SA602
Ships in 3 Business Days
$525.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 2

ES#4730402 - EBFI77-KB6-202 - BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 2 - Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design - Black Forest Industries - Audi

Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4730402
Mfg#:
EBFI77-KB6-202
Special Order: No Guaranteed ETA
$524.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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