cat removal

[CMF_shalon]

yo guys its me again i remove my cat on my headers todays and the engines sounds different i was wondering how much of a punch i will get.. to me i find the car builds up a little faster that normal so my next project will be to remove the 2 drums before the muffler and run a straight pipe

 

[CMF_DeepFraught]

hi Shalon,
there is an article in the Articles page of the website here talking about exhausts, and one example Cisco had I think was no measurable gain from derestricting the cat converter, because the main restriction is in the log style exhaust manifold.