idi exhaust
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Elder User
Joined: Jul 2012
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From: Adair, ok
idi exhaust
I would like to upgrade to a 4" exhaust and a 5 or 6" tip on my 89 7.3 but i don't want to wear ear plugs while driving. Can anyone point me in the direction of a muffler?
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Joined: May 2011
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From: Bellefontaine, OH
idk about mufflers... but i can tell you my 86 6.9 has a 3 1/2 inch and with my windows up and even down i can easily carry on a conversation in my cab... behind the truck is a different story though
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Joined: Jul 2011
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i take it you are non turbo?
my friend has a stock 7.3 psd exhaust on his truck(stock muff that is on that system as well). his truck is a 7.3 idi n/a. thing sounds mean as hell. talks to ya when you get on it but is quiet when cruising. it has a NICE rumble to it and it anything but annoying.
my friend has a stock 7.3 psd exhaust on his truck(stock muff that is on that system as well). his truck is a 7.3 idi n/a. thing sounds mean as hell. talks to ya when you get on it but is quiet when cruising. it has a NICE rumble to it and it anything but annoying.
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Elder User
Joined: Jul 2012
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From: Adair, ok
What about the speed of the flow though? Going from a muffled 2.5 to 4 would sound nice bet but i would like a muffler so i could stay legal.
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From: Co
Diamond eye kit for a 94-97 7.3PSD will work at least on the Turbo trucks, youll have to custom fit the y-pipe but otherwise its basiclly a bolt on. Mines a turbo but with a 4" straight pipe unless you get on it at low RPM the engine is still louder then the exhaust inside the truck.
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Joined: Apr 2008
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Negative, you would not lose power. Its not THAT loud either. I ran straight 3.5" stacks when i was NA and it wasnt that bad.
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Elder User
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From: Adair, ok
Well um in Oklahoma so um going to have to look else were. And ok thanks hairy. Straight pipe will be in order. But would a straight threw muffler give it a different sound other than a high rpm pop?