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Audi S4 Performance Engine & Drivetrain Parts

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ES#4751086 - 041750LA01EBKT - B5 S4 Valved Cat Back Exhaust & Street Shield Aluminum Skid Plate Kit - Enhance the sound of your vehicle and keep it safe with a Street Shield Aluminum Skid Plate Kit - Enthusiast Bundles - Audi

Enhance the sound of your vehicle and keep it safe with a Street Shield Aluminum Skid Plate Kit Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751086
Mfg#:
041750LA01EBKT
In Stock
ON SALE!
$1449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4751240 - 004113ECS01AEBKT - Audi B8 Adjustable Short Throw Shifter &  Shift Knob - Find your perfect setting with 4 steps of throw reduction - Enthusiast Bundles - Audi

Find your perfect setting with 4 steps of throw reduction Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751240
Mfg#:
004113ECS01AEBKT
In Stock
$562.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5516039 - CTS-IT-300RSD3 -  CTS Turbo Air Intake System - True 3.5" Velocity Stack *Scratch And Dent* - ***Please see photos and description prior to ordering, all sales final.***
NEW UPDATED DESIGN! True 3.5 intake for maximum airflow - 3.5" mandrel bent piping with huge 6 velocity stack air filter! - Scratch & Dent - Audi

***Please see photos and description prior to ordering, all sales final.*** NEW UPDATED DESIGN! True 3.5″ intake for maximum airflow - 3.5" mandrel bent piping with huge 6″ velocity stack air filter! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5516039
Mfg#:
CTS-IT-300RSD3
In Stock
Limited Qty Sale
$255.99

This product was last offered at the strikethrough price on
10-03-2026

$218.99 USD
Free Shipping
ES#5512824 - 034-509-0089SD - 034Motorsport Motorsport StreetSport Engine Mounts - Pair *Scratch And Dent* - ***Please see photos and description prior to ordering, all sales final.***
Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. - Scratch & Dent - Audi

***Please see photos and description prior to ordering, all sales final.*** Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5512824
Mfg#:
034-509-0089SD
In Stock
ON SALE! SAVE 17%
$608.99

This product was last offered at the strikethrough price on
10-03-2026

$506.99 USD
Free Shipping
on orders $49 and up
ES#4376317 - 30T-EA839-1 - Unitronic Performance Software - Stage 1 - Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4376317
Mfg#:
30T-EA839-1
In Stock
$850.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4381904 - 30TFSI-D - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4381904
Mfg#:
30TFSI-D
In Stock
Starting at $700.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4389400 - 30TFSI-DSG - Unitronic DSG Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4389400
Mfg#:
30TFSI-DSG
In Stock
Starting at $700.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More Power. More Fun. Plus, a Limited Powertrain Warranty Call In Or Chat For Best Price!
This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the ne

Brand:
APR - Corporate Logo
ES#:
4057385
Mfg#:
DPP30TMG1APRPLUS
In Stock
$1799.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4858190 - 034-106-7026 - Fuel Rail With AAN Brackets - CNC Machined to accept standard EFI type injector O-rings - 034Motorsport - Audi

CNC Machined to accept standard EFI type injector O-rings 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858190
Mfg#:
034-106-7026
Ships in 3 Business Days
$222.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3677500 - 034-503-1032 - Lightweight Aluminum Flywheel - 15lbs - Custom 034Motorsport Aluminum Flywheel for the Longitudinal Mount VR6 Mated to the Audi 01A/01E Transmission. - 034Motorsport - Audi

Custom 034Motorsport Aluminum Flywheel for the Longitudinal Mount VR6 Mated to the Audi 01A/01E Transmission. 2X Entries Into Our F80 M3 Sweepstakes
*Conversion Flywheel - To be used in VR6 engine swaps mated to Audi 01A/01E transmissions only - Uses Audi I5 01A style Pilot bearing (not included) *

Brand:
034Motorsport - Corporate Logo
ES#:
3677500
Mfg#:
034-503-1032
Ships in 3 Business Days
$669.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4213368 - jb4-audi-3.0tKT - Burger Motorsports JB4 Tuner W/ Smartphone Wireless Connect Kit - Features CAN-Bus connectivity for more advanced tuning  gain up to 45hp/65lb-ft on a stock car - Burger Motorsports - Audi

Features CAN-Bus connectivity for more advanced tuning — gain up to 45hp/65lb-ft on a stock car Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4213368
Mfg#:
JB4-AUDI-3.0TKT
Ships on Nov 19, 2026
$638.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3190427 - 936-640 - Driveshaft - Also referred to as the propeller shaft - Dorman - Audi

Also referred to as the propeller shaft

Brand:
Dorman - Corporate Logo
ES#:
3190427
Mfg#:
936-640
Ships in 5 Business Days
$1755.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4339047 - 904525 - RaceChip GTS Black - Get up to +41 hp and +74 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +41 hp and +74 lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339047
Mfg#:
904525
Ships on Nov 24, 2026
$749.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339356 - 917360 - RaceChip S - Get up to +44 hp and +34 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +44 hp and +34 lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339356
Mfg#:
917360
Ships on Nov 24, 2026
$349.00 USD
Free Shipping
on orders $49 and up
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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Manufacturer names and/or part numbers are used only for identification purposes.

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