ill let you know what i think of my flowmaster 40 series 3in out wednesday or so
should sound about the same as a 4.8

2k 5.3 gmc

 

I have a Flowmaster 40 on my 5.3l Sierra, here is a WAV here it you want.

You might want to check out the PV Muffler from Mike Hamm Engineering too.

<small>[ March 30, 2002, 10:08 AM: Message edited by: gmcjoe ]</small>