I'm thinking about taking the 70 Big Block muffler off to put true duals on, which Flowmaster muffler is the loudest and would sound the best on my 2500?
MS03 2500 said:Whichever you use you want to go with 2 mufflers single in single out on the 2500.
silver_bullet said:Flowmaster single chamber 30 series is the loudest. I was running a pair of them on my 1956 Belair with a 406 small block. I just replaced them this year because I had to yell at the passanger for them to hear me. Just as loud outside as in the car. I was coming close to wearing ear plugs while driving. The mufflers were single 3 inch in/out.
Just a word of advise, if this is a daily driver you may not want the loudest mufflers. Or maybe I am just getting too old.
Good luck!