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Exhaust Muffler inlet and outlet diameter

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Bobo_1, Aug 2, 2010.

  1. Aug 2, 2010 at 5:14 PM
    #1
    Bobo_1

    Bobo_1 [OP] Well-Known Member

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    Bobo
    Maryville, TN
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    Looking to replace the muffler. First Tacoma and I don't yet know what the exhaust muffler inlet and outlet diameters are. From the looks of it I assume 2.5 but haven't crawled under there to mic them yet. Anyone already know the diameter of inlet and outlet pipes from the muffler?
     
  2. Aug 2, 2010 at 5:25 PM
    #2
    sgrappone

    sgrappone Well-Known Member

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    2.5 is correct. What muffler are you going with?
     
  3. Aug 2, 2010 at 6:44 PM
    #3
    KPT

    KPT sees what you did there.

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    Katskin leather interior, Satoshi grille, Bilstein 5100's @ 1.75, rear leaf TSB, magnaflow exhaust, 18x9 BBS RW's, 275/65/18 Nitto TG's, black headlights, black taillights, Hella Supertones, weathertechs, EFX tri-fold tonneau, n-Fab steps
    Also FWIW you'll want the center in/ offset out for the best fit.
     
  4. Aug 2, 2010 at 7:42 PM
    #4
    Bobo_1

    Bobo_1 [OP] Well-Known Member

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    Thanks for that info. Looking at the existing stock muffler it looked like offset in + offset out to me.
     
  5. Aug 2, 2010 at 7:44 PM
    #5
    Bobo_1

    Bobo_1 [OP] Well-Known Member

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    I haven't decided yet. I know Flowmaster is readily available but they seem too heavy to me. I imagine weight is not as key as it is for my trans am or my bike but it is just the way I think. So, on the list are Borla, Flowmaster, and Magnaflow for now.
     
  6. Aug 3, 2010 at 4:47 AM
    #6
    sgrappone

    sgrappone Well-Known Member

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    I recently put a Dynomax super turbo on mine and I'm happy with it. Dynomax part # 17748 for the 2.5 center in/offset out. I got mine from Amazon for $53 shipped. Just another option for you!
     
  7. Aug 3, 2010 at 5:28 AM
    #7
    Lurkin

    Lurkin Well-Known Member

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    Thought the stock pipe was 2.25 ?? The 2.5 mufflers work by using adapters.
     
  8. Aug 3, 2010 at 9:44 AM
    #8
    sgrappone

    sgrappone Well-Known Member

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    The inner diameter is 2.25 making the outer slightly larger. My muffler shop didn't have to use a spacer and it came out perfect. The factory exhaust is 2.25 and the TRD cat back exhaust is 2.5. It's always good to have a really good muffler shop!!!!
     
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