Sudden exhaust difference?
 

Well, I dont know what forum to put this under.

I was driving and i stepped on it, it got to about 4k and i heard a clunk. I got off the gas and it ran fine and is still running fine but the exhaust is a lot quieter and deeper.

I have it dumped under the bed with no muffler and its always been very loud.

you achieved 88 mph and traveled into the future.

SOUNDS LIKE SOMETHING LET GO IN THE CAT . .

unfortunately your truck is over the 1995 cut off, meaning your cat must actually work.. therefore, chances are, this will be expensive.

I think Joe may be on to something here. lol.

Your Baffle blew up.

Is it alright to drive? Could i cut the cat out, tear out the baffles and run it until i need it inspected again? Will I lose mpg with it as is?