Well guys, Im getting ready to get a tune by Leading Edge Peformance here in Las Vegas. I have a K&N cai, 160 thermostat. I talked to Garth and he is going to download my ss, then schedule a date for the tune and 2 dyno pulls. What can I expect to gain? He was telling me some trucks see 0-30 hp increase, but mostly its a seat of the pants feel due to the improved shifts and air/fuel ratio perameters. 475 for everything. Has anyone had any tunes by them? Thanks!