Audi S4 Integrated Engineering

Increased power, higher RPM limit, faster shifts, variable launch control and additional transmission performance features Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Requires a Stage 1 or higher ECU Tune.

Brand:

ES#:

4418874

Mfg#:

IESOWB1

$878.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Increased power, higher RPM limit, faster shifts, optimized shift points, and adjustable launch control Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
For vehicles with DSG transmission only

Brand:

ES#:

3579785

Mfg#:

IESOCGW1

$878.99 USD

Add to Cart

Free Shipping

Lifetime Replacement

Stage 1 ECU tune that unleashes up to 505 horsepower and 585 lb-ft of torque for 2017-2020 Audi B9 S4, S5, and SQ5 models directly from your smartphone. Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:

ES#:

5504317

Mfg#:

IESOVZ11

Starting at $184.99 USD

Customize

Free Shipping

Lifetime Replacement

Unleash massive plug-and-play power using your factory hardware and standard pump gas. Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:

ES#:

5460678

Mfg#:

IESOWE31

Starting at $184.99 USD

Customize

Free Shipping

Lifetime Replacement