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    removing cats

    I have searched but i did not find exactly what i wanted. Can you take the cats off of an ls and not throw any codes. Im wanting a cheap way to let the engine breath a little more and maybe pick up some mpg's. I can do it myself i just want to make sure its not going to screw anything up. Its an...
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    Factory sub ?

    Hello new here been reading on here fro a bit though. I just got a 05 LS. My problem is that my factory subs (if thats what you call them) cut in and out on me. If you have the volume up too loud or the bass up too loud they will stop working then sometimes they will kick back in. As far as i...