Tired of the spiral flows
I ******* hate it now, way way to loud ! What mufflers can i put on it to make it much quiter with little to no lose in power its a 402 with a ms4 camshaft right at 500 hp!
Funny thing is, I ran a Y with a spiral flow on my circle track car and that thing was as quiet as could be. It must have been something to do with having a Y-pipe I guess.
Are you looking for bullets, or are you willing to go with an oval muffler as long as it's a little more quiet?
To the OP you are going to have to go to something like the 1 chambers mentioned or magnaflow 4x9s to quiet it down instead of the bullet style muffler.
Like ss1 mentioned, I also had a spiral flow on my old y pipe setup and it was pretty quiet, so I'm a little surprised they are too loud. Either way, stay away from other bullet style mufflers as they will be louder than the spiral flows.
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Keep the duals you have now, run them out the back with two more bullet-style mufflers right before the tips.
It should give you a very nice deep sound without any rasp. Plus interior sound will drop dramatically.
Just my .02 !





