GMC Sierra Power Programmers & Performance Tuners

Reviewed By Timothy L (FORT WAYNE, IN) Reviewed for a 2017 GMC Sierra —4/12/2018 4:20 AM

Purchased my 2017 GMC Sierra just a few weeks ago, saleslady didn't tell me anything about the truck going into V4 mode. After noticing power drops and almost getting hit waiting on it to switch out of the V4 mode, I had to read the manual. Educated myself and hated the V4 mode! Found this unit while browsing on the internet and purchased here at autoanything.com. This unit has allowed me to fall in love with my GMC Sierra. What a difference!

Reviewed By RICHARD K (AUBURN, WA) Reviewed for a 2013 GMC Sierra —4/10/2018 2:00 PM

Months of reading AA Forums and others, I went with predator p2, the instruction manual, was step by step, The down load took minutes to do from my pcm,I fully charged my battery prior to,And no power to anything else,I plugged in the P2, Followed directions and chose 87 oct performance tune,AFM OFF (YAAAAH), AND Diablo trans tune and speed limiter off,My gmc 5.3 now starts and runs better, Accelerates (no pause) with more power,Trans shifts are firm,(No soft or hunting shifts), Im happy.

Reviewed By Jesse L (Sonora, TX) Reviewed for a 2017 GMC Sierra —3/20/2018 8:05 AM

Good tuner.Noticed the difference right away on my 2017 GMC Sierra 1500 6.2L.A must buy.