2008 LMM Duramax Diesel Crew Cab Long Bed PPE 3" Stainless downpie Magnaflow true 5" straight pipe from front pipe back, no muffler 8 in x 18 inch long tip, setup as axle dump turn down Dirty Hooker Diesel built trans FASS Titanium 150 lift pump with draw straw 20x10 Pro comp wheels on 33x12.5 Nittos Rough Country 6" lift Bilstein 5100 Series shocks Edge CTS2 monitor Danville EFIlive off a DSP5 Mod list goes on and on...... Tunes in vid are switched from vane position at roughly 90% (sounds like a hiss but is very quiet) to vanes at 1%