New from Alberta
#1
New from Alberta
Just wanted to say hi, I've been searching the forum for awhile now. I have a 2015 GMC Sierra All Terrain 6.2 crew cab std box, mods so far are Magnuson TVS1900, Kooks 1"7/8 L/T headers, Borla ATAK exhaust, on dyno at 6 psi made 465 hp 560 tq, to the wheels.