The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower.
Please see "fitment notes" in the description for full vehicle information.
Gains up to 64Hp --- 265hp/327lb-ft (93 octane)
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. Up to the 2012 model year.
Brand:
ES#:
514197
Mfg#:
B820TSTG1CHIP-1
In Stock
ON SALE!
SAVE 20%
$399.99
This product was last offered at the strikethrough price on 09-28-2026
Gains up to 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. From the 2013 model year.
Brand:
ES#:
2792684
Mfg#:
B8.520TSTG1CHP-1
In Stock
ON SALE!
SAVE 20%
$399.99
This product was last offered at the strikethrough price on 09-28-2026
For customers that already have APR software on their car and are upgrading to a K04
Call In Or Chat For Best Price! 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
Brand:
ES#:
3509833
Mfg#:
PA100008KT
Back Ordered
ON SALE!
SAVE 20%
$299.99
This product was last offered at the strikethrough price on 09-28-2026
*Sale applies only to ECU with 3 or 4 program purchase.
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2063652
Mfg#:
APRTHEFT-SRV
In Stock
ON SALE!
SAVE 10%
$199.00
This product was last offered at the strikethrough price on 09-28-2026
If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.
Lifetime Replacement
