Quote Originally Posted by KevinT707
a test-pipe is resonated on the inside but will still make it sound raspy. I have a Magnaflow Hi-Flow Cat & it's way louder & a little raspy than when I had a stock cat, which it had a nice deep tone back then. They're about the same sound wise, just get a cat so you can pass emissions.
U got carsound? So did your highflow cat make it sound louder? You said u had a nice deep tone back then, but now it doesn't?

I'm thinkin to get a carsound too.