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Audi S4 Performance Parts & Upgrades

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JHM DSG Aluminum Lightweight Flywheel

ES#4415724 - DL501TLWFW - JHM DSG Aluminum Lightweight Flywheel - 14lb. flywheel for DL501 DSG Transmissions - JH Motorsports - Audi

14lb. flywheel for DL501 DSG Transmissions For DL501 DSG Transmissions only

Brand:
JH Motorsports - Corporate Logo
ES#:
4415724
Mfg#:
DL501TLWFW
In Stock
Limited Qty Sale
$1699.99

This product was last offered at the strikethrough price on
09-14-2026

$1597.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated Race Version

ES#2827492 - SSXAU375 - Cat-Back Exhaust System - Non-Resonated Race Version - 2.37" stainless steel with quad 100mm black Cerakote tips - Milltek Sport - Audi

2.37" stainless steel with quad 100mm black Cerakote tips From the 2013 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827492
Mfg#:
SSXAU375
Ships on Nov 12, 2026
$3192.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

ES#2827387 - SSXAU261 - Cat-Back Exhaust System - Resonated - 2.37" stainless steel with quad 80mm polished tips - Milltek Sport - Audi

2.37" stainless steel with quad 80mm polished tips Up to the 2012 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827387
Mfg#:
SSXAU261
Ships on Nov 12, 2026
$3177.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Adjustable Upper Control Arm Kit (Track Spec)

ES#3603968 - 034-401-1063 - Density Line Adjustable Upper Control Arm Kit (Track Spec) - Gain additional negative camber for increased cornering grip and improved handling performance - 034Motorsport - Audi Volkswagen

Gain additional negative camber for increased cornering grip and improved handling performance 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3603968
Mfg#:
034-401-1063
Ships in 1 Business Day
$635.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 10mm With Ball Seat Bolts

ES#2649762 - 00240302A10KT2 - ECS Wheel Spacer & Bolt Kit - 10mm With Ball Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2649762
Mfg#:
00240302A10KT2
In Stock
ON SALE! SAVE 25%
$144.99

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

$108.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer And Bolt Kit - 8mm With Black Ball Seat Bolts

ES#2748189 - ECS10612KTWB1 - ECS Wheel Spacer And Bolt Kit - 8mm With Black Ball Seat Bolts - Comes with everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Comes with everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 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#:
2748189
Mfg#:
ECS10612KTWB1
In Stock
ON SALE! SAVE 25%
$134.99

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

$101.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Tubular Front Subframe

ES#4701693 - WAS-520 - Lightweight Tubular Front Subframe - Increases chassis rigidity for improved handling performance and eliminates subframe shifting - Verkline - Audi

Increases chassis rigidity for improved handling performance and eliminates subframe shifting

Brand:
Verkline - Corporate Logo
ES#:
4701693
Mfg#:
WAS-520
Ships in 4 Business Days
$1569.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Cat-Back Exhaust System

ES#3107059 - 140403 - Performance Cat-Back Exhaust System - 2.5" stainless steel with quad 3.5" polished stainless tips - Borla - Audi

2.5" stainless steel with quad 3.5" polished stainless tips

Brand:
Borla - Corporate Logo
ES#:
3107059
Mfg#:
140403
Ships in 10 Business Days
$3130.99 USD
Free Shipping

Cat-Back Exhaust System - Resonated

ES#2827388 - SSXAU262 - Cat-Back Exhaust System - Resonated - 2.37" stainless steel with dual oval black Cerakote tips - Milltek Sport - Audi

2.37" stainless steel with dual oval black Cerakote tips Up to the 2012 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827388
Mfg#:
SSXAU262
Ships on Nov 12, 2026
$3105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Lightweight Flywheel Clutch Kit - Stage 2 Endurance & Driveshaft Center Support

ES#4751549 - 003886ECS01EBKT - Performance Lightweight Flywheel Clutch Kit - Stage 2 Endurance & Driveshaft Center Support - ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 430ft/lbs - Enthusiast Bundles - Audi

ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 430ft/lbs Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751549
Mfg#:
003886ECS01EBKT
In Stock
ON SALE! SAVE 13%
$3563.80

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

$3099.00 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

1-Piece Front Brake Rotor Upgrade Kit - Pair (345mm x 30mm)

ES#5446385 - 034-301-1025 - 1-Piece Front Brake Rotor Upgrade Kit - Pair (345mm x 30mm) - Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use - 034Motorsport - Audi

Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5446385
Mfg#:
034-301-1025
In Stock
$387.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 A4/S4 Front Sway Bar & Bushing Kit - 32mm

ES#4608992 - 000601LA01KT - Audi B6/B7 A4/S4 Front Sway Bar & Bushing Kit - 32mm - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4608992
Mfg#:
000601LA01KT
Ships on Dec 14, 2026
ON SALE! SAVE 10%
$378.99

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

$341.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Track Density Line Transmission Mount

ES#2952011 - 034-509-4001td - Track Density Line Transmission Mount - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort 2X Entries Into Our F80 M3 Sweepstakes
Manual transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
2952011
Mfg#:
034-509-4001TD
In Stock
$118.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS4 K04 Turbochargers

ES#4164822 - 5304988002526KT3 - RS4 K04 Turbochargers - Includes the left (K04-025) & right (K04-026) side turbochargers - BorgWarner - Audi

Includes the left (K04-025) & right (K04-026) side turbochargers Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:
BorgWarner - Corporate Logo
ES#:
4164822
Mfg#:
5304988002526KT3
In Stock
$3070.99

This product was last offered at the strikethrough price on
07-02-2026

$3067.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 A4/S4 Pre-Facelift Carbon Fiber Radiator Support Cover

ES#3974236 - 024713ecs01KT - Audi B8 A4/S4 Pre-Facelift Carbon Fiber Radiator Support Cover - Carbon fiber, front and center! - ECS - Audi

Carbon fiber, front and center! 10X Entries Into Our F80 M3 Sweepstakes

Fits pre-facelift models up to 2013

Brand:
ECS - Corporate Logo
ES#:
3974236
Mfg#:
024713ECS01KT
In Stock
ON SALE! SAVE 10%
$425.99

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

$383.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE 3.0T High Pressure Fuel Pump (HPFP) Internal Upgrade Kit - With Install Tool

ES#4642772 - iefuvo1KT - IE 3.0T High Pressure Fuel Pump (HPFP) Internal Upgrade Kit - With Install Tool - IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals - Integrated Engineering - Audi

IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals

Brand:
Integrated Engineering - Corporate Logo
ES#:
4642772
Mfg#:
IEFUVO1KT
In Stock
$508.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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