smoke stacks
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Senior User
Joined: Jul 2003
Posts: 286
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From: spring valley ohio
smoke stacks
ok im going to put smoke stacks on my 92 with a 300. and what size pip should i run to my stacks im thinkin 2 1/2 im gettin rid of the first cat and keep my second. with no mufflers(who needs them)i was just wonder if any one knows how they sound and i want to make sure i have good back pressure
Elder User
Joined: Dec 2003
Posts: 848
Likes: 3
From: Kokomo
Just run one, I had one on my '85 300, take both the cats off or you won't be able to hear it, mine had 3in. from the manifold back (never a muffler) including a 3in. stack, if I had to do it over again I would do it all the same except I would have used a31\4in. or 31\2in. stack, looks good and sounds great!!! Sounds like a tractor when you bog it and like a semi when you run it on out, noticed a power difference taking the cats off too, does blow suet all over the top and down the side of the truck when it gets water in it, well wouth it!!!
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