Quote:

you add mufflers....2 on each side. a hot 440 needs a very large expansion area. since mufflers come 26" you need 2 on each side.

as i said before, even the stock 440 exhaust system came with two mufflers.

H pipes will make the note lower, which is part of the drone.

larger diameter pipes 3" will dramatically increase sound over 2" - 2 1/2".



As I said before I have 2 resonators and 2 mufflers.....

As I said before I eliminated the H pipe.....

I started with 3"....

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