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02-20-2002, 06:30 PM

If I purchased a good muffler and header, could I just have the piping done w/o a cat? I know it's illegal, but there's no such thing as smog tests here. I just need to know if the cat aids in making power at all. Thanks.

02-20-2002, 06:30 PM	#1
Who Needs VTEC? Posts: n/a	Exhaust Question If I purchased a good muffler and header, could I just have the piping done w/o a cat? I know it's illegal, but there's no such thing as smog tests here. I just need to know if the cat aids in making power at all. Thanks.