I drove mine to the muffler shop running straight out the headers. I guarantee a 235 can be plenty loud eek You could get your muffler super hot and then dip it in ice water and "shatter" the glass. And that's IF yours is a glass packed muffler. You would have more noise then. And at least it would "look" legal.

1962 Fleetside 4spd 235 w/O.D. posi 3:90
In the Stovebolt Gallery
1990 Subaru Legacy Wagon AWD 2.2 5sp
2013 Ram Tradesman C/V
My Webshot Photos]