U7193
version 9r07
2004 chevy 5.3

Lew,

What info do I need to sent you so that you can set me up with one of those famous 87 tunes!

Thanks!

PS (I new at this)

I have been thinking about getting a Predator for my 04 chevy w/ 5.3 (drop in K&N and custom cat-back exhaust).

I have a few questions...

1. Is there any way that a "performance tune" (higher shift points, line pressure, reduced TM, ect..) can be active when the tow/haul mode is set on? Then ...