I have a 2003 5.3 regular cab and im just going to add an intake to my exhaust cas im going to drop a new engine on down the road. I want a computer tune, there is about three out there that i have been told about but which is best for my truck?
I have a 2003 5.3 regular cab and im just going to add an intake to my exhaust cas im going to drop a new engine on down the road. I want a computer tune, there is about three out there that i have been told about but which is best for my truck?
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