then why is it illegal?
just removing the muffer at the end is not going to put you into the decibils it's at...and would not be so illegal and intended for "off road use"
when you see the "off road use only" warning, that means peace out cataylic converter..
you don't lose the resonator in the exhaust system...but you do lose the cat.
ALSO, having an exhaust welded on AFTER the cat does absolutely nothing, that is the same as putting an axle back exhaust on...the piping does not change