Average gain of 45 horsepower and 70 lb-ft of torque on 91 Octane @ 16 PSI
Audi B7 A4 Quattro 2.0T Performance ECU Software / Tuning
Get up to +41HP and +68lb-ft through a safe and easy to use tuning module from RaceChip
Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces.
For use with HP Tuners MPVI2+ and MPVI3 interfaces only.
This product was last offered at the strikethrough price on
05-12-2026
For customers that already have APR software on their car and are upgrading to a K04
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
Ship your ECU for free, or drive your vehicle to our location
Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control. *Open Box - New Product*
*Sale applies only to ECU with 3 or 4 program purchase.
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Includes valet, sport, performance, and anti-theft modes
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
*Sale only applies to purchases to ECU with 3 or 4 program options
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.