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Old 01-22-2013, 06:43 PM
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3.0D removal rear muffler boxes ?

ok iv been thinking about changing the rear mufflers on my 3.0D but i was wondering if this would affect the turbo as there would be no back pressure, would i need to get it remapped or can i go straight ahead and remove them ? anyone done this, i know they will require cutting off , would like to here your thoughts on this
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Old 01-22-2013, 09:04 PM
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me to, i could like to get some feedback on this, it strikes me that all the little ricers do it and i always thought turbos liked BIG exhausts, another reason for me is , im convinced that as the turbo diesels rear mufflers input and output exhaust at the same end of the muffler ( front) that the muffler fills up with soot when you are just pottering around and then when you give it a blast thats where all the black soot out the back comes from.

so in my mind a less restrictive flow through muffler may well be a good thing.

i cant see why it would need a remap, i would think there is enough adjustability in the system to cover it.

i would however certainly like to hear from someone with experience in this area
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Old 01-22-2013, 09:09 PM
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well from what iv read with a remap and rear boxes changed the 3.0D is pulling 625 nm which is mind blowing and sounds awsome theres a few vids on you tube, but from what i understand on my old deisel i had when i changed the exhaust the turbo spooled up to much there wasnt enough back pressure so i had it have it remapped and that sorted it out
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Old 01-22-2013, 09:19 PM
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hmm, i not looking for to much more power , however i do feel that my facelift e53 starts to run out of puff at around 150 kmph when overtaking ( on a closed circuit of course, not public road) i would like more get up and go around the 4000rpm

however I'm lead to believe that the ZF trans is pretty much at its limit a 500nm. so while 625 would sure be fun, the question would be for how long
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