Has anyone had this problem!
Thanks in Advance
Did you do a tune up with the headers? could have been you had some bad plugs or wires if those were replaced with the headers
May have been a cat issue, but mine didn't last long. After a couple hard pulls, the stone in the cat loosened up and they started rattling. Installed the LT's after that anyway.
If you didn't get it tuned for the LT's and the other mods, I'd say do that. It makes a HUGE difference and is a key to having a healthy setup..
Thanks
thanks



