I have an 01 Silverado 5.3. Have a few good mods, corvette servo, Transgo HD2, tru cool 40k, k&n air intake, 3 in high flow cats with a black widow muffler 3 in out. 3.73s with aurburn locker, and have been ruining it on Diablo trinity 91 octane fuel. I just ordered my Cal speed performance 1 3/4 longtubes with 3 in ORY and going to keep my single 3 in exhaust. I need a tuner in az who can turn off my o2 sensors and turn off my egr aswell. Anyone who can do it or recommend it for me?

 

If in the Phoenix area, get a hold of NicD. He's on here in the ls1tech side.

 

Good luck Ive been trying to get time scheduled with him for weeks

 

I got ahold of him and he is def a really good tuner! Very impressed