08 Silverado 2500hd clogged cat
#1
08 Silverado 2500hd clogged cat
Hey guys, I'm new to this forum and am hoping to get some help. I have a 2008 Silverado 2500HD Crew Cab 4x4 with the 6.0 liter. I attached a picture, but I don't know if it will show up properly. Anyways, here is my issue: The previous owner did a solid front axle conversion. The problem now is that I am getting a check engine light with a 420 code. In order to make room for the new front drive shaft, and to prevent it from rubbing the catalytic converter, he put a huge dent in it. I just installed a Bully Dog Tune on the truck and now it is popping the code every 20-30 miles or so. I know a clogged Cat can be a huge problem. I am in Ohio and am not worried about emissions tests, does anyone know how to bypass the cats? I know this is probably not the most responsible option, but I am only honestly worried about performance and also, not destroying my engine due to high back pressure. any advise would be greatly appreciated, thanks!
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