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Re: cats need cutting?
I have buddies that have done this up here in WA. I did it on my 94 also. It will sound SWEET and you will gain lots of high end HP, BUT... on these late model trucks, it almost ALWAYS trips a code and might make the truck run worse. I got lucky with my 94, it didnt trip any codes. Do you have any O2 sensors behind your cats? If not, you might try cutting them off and test it that way, and weld them back up if it trips codes. I havn't done this myself just because I don't want to deal with the hastle of welding them back up if it trips codes or when I need to go through emisions. It would be cool to hook up cutouts to bypass the cats untill DEQ time.
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2001 Silverado Crew Cab 2500 HD - 8.1 - Allison 6" RCD Lift with 35" BFG Mud Terrains Airaid Intake - 4" Magnaflow Exhaust - Hypertech Programmer
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