Reviewed By Richard D (Thomasville, PA) Reviewed for a 2007 Lincoln Mark LT —4/7/2015 2:59 PM
Notice the extra power immediately, upped the rev limit, shift points, shift firmness and changed tire size. Working with premium gas already noticed gas mileage improvement, don't bother with the CD, go to website and get the latest updates...does what it says, and best price from auto anything!!
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.
