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R vs Non R Exhaust

Discussion in '5.2L V8 Voodoo Engine Mods & Bolt-Ons' started by stangman638, Jul 25, 2020.

  1. stangman638

    stangman638 Well-Known Member

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    Anyone that has an R model, what did for do with the res delete? is it straight piped? X pipe? Whats the pipe diameter if I wanted to replicate?
     
  2. meterman

    meterman Well-Known Member

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    Here's a pic. The diameter looks to be exactly the same as the rest of the pipes. IMG_2017.JPG IMG_2018.JPG
     
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  3. lenFeb

    lenFeb Well-Known Member

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    I replaced resonators with straight pipes on my GT350. The diameter of straight pipes on R is 2.75". IMG_0547.jpg
     
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  4. lonegunman

    lonegunman Well-Known Member

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    Other than noise, does this mod gain anything?

    A couple of horsepower maybe? Just curious.
     
  5. lenFeb

    lenFeb Well-Known Member

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    Only half HP
    2r0ycmi.gif
     
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  6. gmuffley

    gmuffley Well-Known Member

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    That is hilarious!
     
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  7. OP
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    stangman638

    stangman638 Well-Known Member

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    Any droning at all? did you have a muffler shop do it? what was the cost?
     
  8. lenFeb

    lenFeb Well-Known Member

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    No dronning. The guy who own muffler shop cut off resonators and welded straight pipes for $160 out the door.
     
  9. OP
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    stangman638

    stangman638 Well-Known Member

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    Are you sure its 2 3/4in? I just left a muffler shop and gentlemen said that's a very odd size, they would have to check to see if they can get a piece of that in stainless. Was it a 3 inch pipe they reduced at the tips to fit? He was trying to talk me into replacing my entire exhaust, maybe he didn't want to be bothered with a small job..

    Were they able to reuse heatshield?
     
  10. lenFeb

    lenFeb Well-Known Member

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    You may double check on the pipe size. No heat shields needed and I don’t have them on my. Make sure this guy can do good welding job. You don’t want hole in the exhaust.
     
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    stangman638

    stangman638 Well-Known Member

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    Specs show 2 3/4.. not even the speed parts shop stocks it.. did they use stainless on your car?
     
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    stangman638

    stangman638 Well-Known Member

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    Another muffler shop I called wont even cut stainless if I bought a piece
    .. I'm perplexed so far.. thought this would be a piece of cake to get done
     
  13. lenFeb

    lenFeb Well-Known Member

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    Yeah, didn’t have any problems with my. If you in NJ I can recommend my installer.
     
  14. Sur3n

    Sur3n Member

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    Any idea why the R has a heat shield, but when everyone does a delete they say it isn't needed?
     
  15. lenFeb

    lenFeb Well-Known Member

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    IMO, there's nothing to protect from heat. On the sides there's already heat protected material and between top and pipes there's a drive shaft and a lot of room for heet to evacuate. Also, those heat protectors on the top of the pipes are so thin and short, not sure why they on there to begin with.
     
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