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This is a discussion on 2001 Chevy 1500 Cat Delete within the Exhaust forums, part of the Performance category; Me and my buddies are planning on gutting my cats out but it looks like its not very easy to ...
Me and my buddies are planning on gutting my cats out but it looks like its not very easy to do since the cats are right after the manifolds. I cant decide how I should gut them... Cut a hole and punch out the honey comb??? If anybody could help me out with this thats already done it with experience I could really use the help.
Thanks
Not the best of ideas. if you have a stock muffler, expect ZERO power gains.
Unless they are plugged, there is no reason with todays high flowing cats to punch them out. Even then, I owuld replace them, as I dont like the bad smell that un catted vehicles produce
You have to cut them out as they are right after the manifolds.
peace
PAuly
Last edited by Pauly; 10-17-2008 at 03:21 PM.
97 GMC 2wd RCSB 5.7, s10 2700 footstall, Hooker 24621hkr LT's , 2.5" cats dual 4"pipes exit B4 pass. side tire, custom driveshaft 3.42 G80 FIPK MAF descreen GM/Mercruiser Marine intake manifold 29lb LS2(EV6) injectors Ed Wright PCM(best mod), LT4 KM 14.8@94mph 2.007 4000lbs 122mph
I have not personally done it but I know people who have and they cut them off the truck, then broke all the stuff out of them, and had them welded back on.
just cut them off and replace it with piping
Good idea since that's against Federal law and you wouldn't pass inspection in a state that checks them...Originally Posted by 22Sierra22
I think I will just leave em
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