New to this site
#1
hey guy I’m new to this site I have an 06 gmc Sierra
It has a 5.3 I want to put headers and some high flow cats on but the told me that it will throw a code just want to know if I dose throw the code how to fix it and if it will throw a code
#3
thanks bro I really want to do some more mods but just don’t know to much I just got into trucks not to long ago
#4
You have a lot of options with tuning and headers,you might put in your profile your location,you never know how might chime in that might be close to you that might help you with tuning ect.
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Apr 29, 2011 12:18 PM



