running no muffler
09-13-2006, 08:24 PM
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running no muffler
hey i have always heard that diesels don't need back pressure and i even went to a store and asked about taking the muffler off and they said it was ok...now i'm starting to think its not for some reason...i have an 03 2500 cummins HO...sorry for the newbie question.
09-13-2006, 08:29 PM
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Removing the muffler will only make it louder (and oh so much sweeter) and allow the engine to remove heat quicker. Turbodiesels don't need any backpressure like a normally asp. gas engine.
09-13-2006, 08:36 PM
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ok...becuz i asked around and everyone said it was fine. so i take off a couple days ago and now people are saying that i should put it back on...lol...you never tell who knows what...
09-13-2006, 08:39 PM
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but u guys are sure?
09-13-2006, 08:42 PM
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oh yeah. all this talk of low rumbling makes me wanna go start it up and run it down the road just to hear it some more. call me crazy but i know its gonna be a good day when i get to drive my cummins. not to mention mash the motor and hear her roar!!
brett
brett
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09-14-2006, 01:23 AM
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i was gonna straight pipe mine tomomoworw i was wondering if i should leave my cat on and get rid of the muffler or does it sound better with out the cat?
09-14-2006, 03:13 AM
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No muff, no kitty... sweetest sound in the world. Don't forget to open up the intake up front too (BHAF). If you can keep your foot out of it, you'll see an increase in MPG's too.
09-14-2006, 09:19 AM
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No muff, didn't come with kitty
No muff, didn't come with kitty
I have 49K and it was one the first things off my truck too, Manny moor ricers try me now HE HE love smoking them literally.
I have 49K and it was one the first things off my truck too, Manny moor ricers try me now HE HE love smoking them literally.
09-14-2006, 09:28 AM
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If you take all that muffler crap off, don't forget to take out the silencer ring (whistle ring). Do a search, you'll find a bunch of threads on it. Wanna hear your turbo work? Loose that too. And none of these mods will hurt a thing. In all truth, you need to cut that stock pipe out and run a 5 inch! Your buddies will appreciate that!!!