Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Performance Parts & Upgrades

Sort By
Filter By
Return to Top

Audi 2.7T F21 Hybrid Turbochargers

ES#2840951 - f21bt - Audi 2.7T F21 Hybrid Turbochargers - Complete bolt on Turbo upgrade including turbo inlet pipes - FrankenTurbo - Audi

Complete bolt on Turbo upgrade including turbo inlet pipes

Brand:
FrankenTurbo - Corporate Logo
ES#:
2840951
Mfg#:
F21BT
Ships on Dec 15, 2026
$1999.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Audi 3.0T Crank Pulley Upgrade Kit - 188mm

ES#4491703 - IEBAVJ7 - IE Audi 3.0T Crank Pulley Upgrade Kit - 188mm - Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley - Integrated Engineering - Audi

Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley Requires 57.5mm SC pulley and stage 2 dual pulley ECU tune

Brand:
Integrated Engineering - Corporate Logo
ES#:
4491703
Mfg#:
IEBAVJ7
In Stock
$497.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System

ES#2848044 - CTS-EXH-CB-0015 - Cat-Back Exhaust System - 2.5" stainless steel with quad 3" polished stainless tips - CTS - Audi

2.5" stainless steel with quad 3" polished stainless tips

Brand:
CTS - Corporate Logo
ES#:
2848044
Mfg#:
CTS-EXH-CB-0015
Ships in 7 Business Days
ON SALE! SAVE 15%
$1399.99

This product was last offered at the strikethrough price on
09-29-2026

$1189.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Performance Coilover Kit

ES#2019 - 29250-1 - Street Performance Coilover Kit - Unrivaled comfort and performance. Average lowering of 1.2"-2.1"F 1.0"-2.0"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 1.2"-2.1"F 1.0"-2.0"R We Price Match - Give Us A Call or Chat!
Fits Sedan And Avant Models

Brand:
H&R - Corporate Logo
ES#:
2019
Mfg#:
29250-1
Ships in 3 Business Days
10% off MSRP

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

$2180.00

This product was last offered at the strikethrough price on
10-01-2026

$1962.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM HD Overdrive Lightweight Supercharger Crank Pulley (207mm)

ES#4135769 - 06E105251F-207mm - JHM HD Overdrive Lightweight Supercharger Crank Pulley (207mm) - Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. - JH Motorsports - Audi Volkswagen Porsche

Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. *To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*

Brand:
JH Motorsports - Corporate Logo
ES#:
4135769
Mfg#:
06E105251F-207MM
Ships in 2 Business Days
$364.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet X-Brace - Black - Audi B8

ES#4220370 - 004802la01aKT3 - Billet X-Brace - Black - Audi B8 - Improve steering feel and handling! - ECS - Audi

Improve steering feel and handling! 10X Entries Into Our F80 M3 Sweepstakes

Fits Pre-Facelift models up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
4220370
Mfg#:
004802LA01AKT3
Ships on Nov 30, 2026
ON SALE! SAVE 25%
$483.99

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

$362.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" Wheel Spacer Flush Fit Kit - Black Bolts

ES#3240970 - 023881ecs01KT - 19" Wheel Spacer Flush Fit Kit - Black Bolts - Includes ECS spacers & Black bolts to obtain a flush look on your OE 19" wheels - ECS - Audi

Includes ECS spacers & Black bolts to obtain a flush look on your OE 19" wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3240970
Mfg#:
023881ECS01KT
In Stock
ON SALE!
$271.99

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

$263.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M14 Wheel Stud Kit - Black - Set Of 20

ES#4487785 - VAG-STUD-KIT-20 - M14 Wheel Stud Kit - Black - Set Of 20 - M14x1.5x75mm with conical nuts - Vargas Turbo Technologies - Audi Volkswagen

M14x1.5x75mm with conical nuts 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4487785
Mfg#:
VAG-STUD-KIT-20
Ships in 5 Business Days
$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Premium Low-Met OE Equivalent Pad - Front

ES#4486468 - 4M0698151AP - Premium Low-Met OE Equivalent Pad - Front - Quality brake pads from an original equipment supplier - Brembo - Audi

Quality brake pads from an original equipment supplier 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Brembo - Corporate Logo
ES#:
4486468
Mfg#:
4M0698151AP
In Stock
$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Supercharger Crank Pulley Upgrade - 187mm

ES#3438177 - CTS-HW-266-187 - CTS Turbo Supercharger Crank Pulley Upgrade - 187mm - Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output *NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
3438177
Mfg#:
CTS-HW-266-187
Ships in 7 Business Days
ON SALE! SAVE 20%
$379.99

This product was last offered at the strikethrough price on
09-29-2026

$303.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Supercharger Crank Pulley Upgrade - 192mm

ES#4042975 - CTS-HW-266-192 - CTS Turbo Supercharger Crank Pulley Upgrade - 192mm - Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output Most Stage 2+ software tunes are compatible with this kit. Be sure to use the correct software for 192mm

Brand:
CTS - Corporate Logo
ES#:
4042975
Mfg#:
CTS-HW-266-192
Ships in 7 Business Days
ON SALE! SAVE 20%
$379.99

This product was last offered at the strikethrough price on
09-29-2026

$303.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Transmission Mount - Priced Each

ES#2951988 - 034-509-4006sd - Street Density Line Transmission Mount - Priced Each - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

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

Brand:
034Motorsport - Corporate Logo
ES#:
2951988
Mfg#:
034-509-4006SD
In Stock
$131.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE ProCore Performance Cast Downpipe - B9 S4/S5

ES#4708493 - IEEXCK6 - IE ProCore Performance Cast Downpipe - B9 S4/S5 - Check-Engine Light free! An emissions-friendly approach to exhaust upgrades! - Integrated Engineering - Audi

Check-Engine Light free! An emissions-friendly approach to exhaust upgrades!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4708493
Mfg#:
IEEXCK6
Ships in 4 Business Days
$2874.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

V3 Series Coilover System - Double adjustable damping

ES#2092328 - 35210032 - V3 Series Coilover System - Double adjustable damping - The ultimate in coilover technology featuring double adjustable dampening - KW Suspension - Audi

The ultimate in coilover technology featuring double adjustable dampening Range of lowering is 1.5-2.9" in the front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2092328
Mfg#:
35210032
In Stock at Vendor
$2874.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 A4 S-Line / S4 Trunk Spoiler - Gloss Black

ES#4039668 - 001215LA01 - Audi B7 A4 S-Line / S4 Trunk Spoiler - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! 10X Entries Into Our F80 M3 Sweepstakes

Fits Sedan models only

Brand:
ECS - Corporate Logo
ES#:
4039668
Mfg#:
001215LA01
In Stock
ON SALE! SAVE 23%
$222.99

This product was last offered at the strikethrough price on
05-02-2026

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings