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Audi S4 Performance Engine & Drivetrain Parts

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Kompact Dual Port Blow Off Valve Suit 25mm Inlet Fitting - Priced Each

ES#4708059 - TS-0203-1022 - Kompact Dual Port Blow Off Valve Suit 25mm Inlet Fitting - Priced Each - Get those sweet turbo noises - TurboSmart - Audi

Get those sweet turbo noises

Brand:
TurboSmart - Corporate Logo
ES#:
4708059
Mfg#:
TS-0203-1022
In Stock at Vendor
10% off MSRP

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

$253.99

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

$228.99 USD
Free Shipping

Stage 1 Heavy Duty Clutch Kit

ES#3106498 - k70286hdKT - Stage 1 Heavy Duty Clutch Kit - Ideal for the spirited daily-driver. Rated at 350ft/lbs. - South Bend Clutch - Audi

Ideal for the spirited daily-driver. Rated at 350ft/lbs. Works with stock flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106498
Mfg#:
K70286HDKT
Ships in 1 Business Day
$683.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Engine Mount Kit - Audi B5 S4

ES#2708159 - 000805ECS01AKT - ECS Performance Engine Mount Kit - Audi B5 S4 - Performance engine mounts to increase drivetrain rigidity - ECS - Audi

Performance engine mounts to increase drivetrain rigidity 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2708159
Mfg#:
000805ECS01AKT
In Stock
ON SALE!
$358.99

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

$341.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve Kit

ES#3647479 - ST-AIVN-1103SKT1 - Supertech Stainless Intake Valve Kit - Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals - Assembled By ECS - Audi

Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647479
Mfg#:
ST-AIVN-1103SKT1
Back Ordered
$679.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperDuper Charger 84mm Throttle Body System

ES#4390845 - 034-108-1902 - SuperDuper Charger 84mm Throttle Body System - Spercharge the performance of your B8/8.5 Audi S4/S5 with the 034Motorsport SuperDuper Charger 84mm Throttle Body System! - 034Motorsport - Audi

Süpercharge the performance of your B8/8.5 Audi S4/S5 with the 034Motorsport SuperDuper Charger 84mm Throttle Body System! 034Motorsport Dynamic+ Tuning stage 2+ is required to safely run this throttle body.

Brand:
034Motorsport - Corporate Logo
ES#:
4390845
Mfg#:
034-108-1902
Ships in 2 Business Days
$754.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Snub Mount With Bracket

ES#3447962 - 034-509-2009 - Performance Snub Mount With Bracket - Greatly reduces unwanted engine movement w/o excess vibration - 034Motorsport - Audi

Greatly reduces unwanted engine movement w/o excess vibration

Brand:
034Motorsport - Corporate Logo
ES#:
3447962
Mfg#:
034-509-2009
Ships in 2 Business Days
$125.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Rear Differential Bushings - Pair

ES#3176342 - 034-505-2001-SD - Street Density Rear Differential Bushings - Pair - Eliminates excessive rear differential movement and provides quick feedback - 034Motorsport - Audi

Eliminates excessive rear differential movement and provides quick feedback

Brand:
034Motorsport - Corporate Logo
ES#:
3176342
Mfg#:
034-505-2001-SD
In Stock
$44.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport 3.0 TFSI Supercharger Pulley Removal Tool

ES#4005448 - 034-145-Z037 - 034Motorsport 3.0 TFSI Supercharger Pulley Removal Tool - Features precision machined half-shells designed to perfectly clamp the supercharger pulley for easy removal - 034Motorsport - Audi Porsche

Features precision machined half-shells designed to perfectly clamp the supercharger pulley for easy removal

Brand:
034Motorsport - Corporate Logo
ES#:
4005448
Mfg#:
034-145-Z037
Ships in 2 Business Days
$248.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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. 2 required

Brand:
034Motorsport - Corporate Logo
ES#:
4880731
Mfg#:
034-145-5001
Ships in 2 Business Days
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE 3.0T Supercharger Pulley Upgrade (4-Bolt Style)

ES#3647603 - IEBAVJ5 - IE 3.0T Supercharger Pulley Upgrade (4-Bolt Style) - Increases the supercharger RPM throughout the full powerband, raising supercharger speed by 7% - Integrated Engineering - Audi

Increases the supercharger RPM throughout the full powerband, raising supercharger speed by 7% 5X Entries For Our 25th Anniversary Sweepstakes!
*Fits very late model years equipped with 4-bolt style supercharger pulleys - 3.0 TFSI Stage 2 Software is required in order for this pulley to yield a p

Brand:
Integrated Engineering - Corporate Logo
ES#:
3647603
Mfg#:
IEBAVJ5
Ships in 2 Business Days
$216.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Build-Your-Own 3.0T Fluidampr Kit

ES#3557465 - 651201C - Build-Your-Own 3.0T Fluidampr Kit - An essential upgrade for 3.0T Supercharged vehicles! - Fluidampr - Audi Porsche

An essential upgrade for 3.0T Supercharged vehicles!

Brand:
Fluidampr - Corporate Logo
ES#:
3557465
Mfg#:
651201C
Back Ordered
Starting at $649.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Diverter Valve Pressure Hose - Pair

ES#2864547 - 034-101-3066 - Silicone Diverter Valve Pressure Hose - Pair - This hose pair is designed to replace the outrageously expensive, failure-prone factory rubber hoses - 034Motorsport - Audi

This hose pair is designed to replace the outrageously expensive, failure-prone factory rubber hoses

Brand:
034Motorsport - Corporate Logo
ES#:
2864547
Mfg#:
034-101-3066
In Stock
$40.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

550cc Bosch EV14 Fuel Injector - Priced Each

ES#4858179 - 034-106-3030 - 550cc Bosch EV14 Fuel Injector - Priced Each - The Bosch EV14 550cc fires factory-correct dual spray cones with super-fast response and best atomizaton on the market today. - Bosch - Audi

The Bosch EV14 550cc fires factory-correct dual spray cones with super-fast response and best atomizaton on the market today. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4858179
Mfg#:
034-106-3030
Ships in 2 Business Days
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE S-FLO Carbon Intake - Audi B8.5 S4/S5 3.0T

ES#4043314 - 2660-13026 - AWE S-FLO Carbon Intake - Audi B8.5 S4/S5 3.0T - Gains of 15 hp and 11 ft-lbs of torque! Allows 34% more airflow over stock, with eye catching carbon fiber engine bay upgrade. - AWE - Audi

Gains of 15 hp and 11 ft-lbs of torque! Allows 34% more airflow over stock, with eye catching carbon fiber engine bay upgrade.

Brand:
AWE - Corporate Logo
ES#:
4043314
Mfg#:
2660-13026
Ships in 4 Business Days
$659.99

This product was last offered at the strikethrough price on
02-06-2026

$645.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

Let us help you find the parts that fit your Audi

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