The APR Stage 1 ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications and produces up to 444 HP with 257 FT-LBS of torque on 93 AKI. Expect +20 HP and +13 FT-LBS on 91, +24 and +17 FT-LBS on 93 AKI, and +25 HP and +20 FT-LBS on 100 AKI. To get more power, the vehicle can be outfitted with an upgraded intake, catback exhaust, and various other bolt-on modifications all without requiring any new modifications to the ECU.
APR Stage 1 is available for 91 AKI, 93 AKI, and 100 AKI in North America
All APR Software upgrades are only available at our Joplin, Missouri retail location. In order to receive an APR software upgrade, please click here to schedule an appointment. You may either add this item to your cart and purchase online, or may also pay in store.