Hey everyone, I was wondering I wanted to make my truck louder, I have magnaflow side exhaust, so I was going to put a on a diffrent y-pipe, if I did should I go off-road no cats, (do i need o2 sensor eliminators) or do I buy hi-flow cats, and will there be a big diffrence between the two in sound.
Bruce

 

you want louder just ditch the magnaflow and go for a flowmaster or no muffler at all, dont mess with the cats it ait worth it