Hey gang i have a bone stock CYM. I live where there are NO smog checks. I was wondering if gutting out the cat would harm anything on a completely stock FD. Would i experience boost spikes? Would the gutted cat cause the car to run poorly without any other mods? What is the best way to gut a cat out? Thanks

Darril

 

which cat? precat then great! maybe a tiny bit more boost, not a problem though. if i remember right when i had my precat gutted they used a torch to heat up the stuff and cut/knock it out. that emissions stuff is tuff!

 

i'm referring to the regular cat, the one after the DP. Anyone??

Darril

 

you should be fine if you have your stock catback and precat.