Hey everyone I just bought my 6.4 a week ago and finally sold the 07 Dodge. Im looking at a Magnaflow exhaust but dont want to drop $450 if its gonna do the same as taking the muffler out. Has anyone just removed the muffler at the very rear of the truck and left the DPF and CAT in the truck. I dont want to jack my warranty but the dealer told me the muffler wouldnt be that big of a deal. I just want something with more of a tone to it.
Well crap.. I was hoping that if I removed the muffler I might get a little bit of sound out of it. I love the truck but there is just no sound, tone or anything. All you hear is air coming out of the exhaust.
I'm curious about this as well. I'm looking at the MBRP 4" and 5" DPF back exhausts that both delete the muffler. I just want some good tone, not many more decibels.
I would like it louder with a pretty deep tone but if Im not gonna be able to accomplish that without removing the DPF and CAT then im not even going to bother.
Mine has the DPF and the Cat gutted with the magnaflow, and it only increased the sound slightly ,butyou can hear the turbo a little more and I love it. Although, I also have the AFE stage 2 so that may be some of the extra turbo noise
Has anyone checked there regen temps before and after installing an exhaust system, I'm more interested in reducing the temp of the exhaust, I have little kids and don't want them walking by the exhaust durring a regen and getting burnt. Every time I pull into a campground or rest area, when towing my trailer my truck goes into regen.
Check Crazy03`s post above. He tells what you get with a gutted cat. Better yet call Gus at Farm boy diesel, fbd. If he doesn`t have it he will put you on the right track as well as answering all questions you might have. Yes it is flanged.
just installed the magnaflow 4" dual exhaust on my 08 f350 today. part number 17988. it is the pro version with muffler delete. it is great quality, easy to install. i ordered it from xtreme diesel friday and it arrived today (monday)!! i was really excited to get it on, since the 6.4 is pretty quiet.
i have to say that after installing it i was very disappointed with the sound improvement. (not magnaflows fault) ford has choked this exhaust so much with the cats and dpf that removing the muffler basically does nothing for the sound. it is 99% the same sound. on my old 7.3, removing the muffler seemed that it doubled the sound. i am sure that i am gaining power, and probably lowering the egts, but sound improvement is practically zero.
obviously the sound is being greatly muffled by the dpf. for real sound quality, the dpf delete and muffler delete is the way to go. like everyone else on this site i am waiting on spartan for the tuner/delete pipe package. but if you are wanting more sound, deleting the muffler is not going to do it.
i dont think the magnaflow will void the warranty, depending on the dealer i guess, and the dpf delete pipe just clamps on one end and bolts to the other, no cutting. so, i will just put the dpf back on for dealership visits.
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