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magnaflow mufflers

This is a discussion on magnaflow mufflers within the External Engine forums, part of the LSx Technical Help Section category; Im lookin to buy a magnaflow muffler for my 99 formula, anybody know which one i should get? i have ...

  1. #1
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    magnaflow mufflers

    Im lookin to buy a magnaflow muffler for my 99 formula, anybody know which one i should get? i have LT's with an slp exhaust, no cats

    thanks

  2. #2
    Powerstrokin LT1 > LS1's Avatar
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    true duals?

    i would just buy the magnaflow catback. the tips are nice looking on trans ams, but I personally prefer true duals and dumps on formulas and camaros.

    probly a universal 3" in/out magnaflow stainless muffler would work.

  3. #3
    Kenne-Bell Killer Cayenne97's Avatar
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    Just the regular cross-flow style Magnaflow muff will work. Make sure it matches the diameter of your current exhaust and your good to go.

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    War Machine BIG GUNS's Avatar
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    Quote Originally Posted by LT1 > LS1 View Post
    true duals?

    i would just buy the magnaflow catback. the tips are nice looking on trans ams, but I personally prefer true duals and dumps on formulas and camaros.

    probly a universal 3" in/out magnaflow stainless muffler would work.
    Thats what I have on mine and I love it. If you have the means, a GMMG chambered exhaust ftw.

  5. #5
    Senior Member t-rock's Avatar
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    you already have the LT's true duals ftw.

  6. #6
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    id like the true dual set ups, n the gmmg exhaust, but im just lookin for a muffler to slap on to get rid of some of the rasp, i love the sound of my car when im slowly cruising and WOT, but in some rpms the rasp is unbearable, im not trying spend alotta money to redo my whole exhaust, just a replacement for the slp "muffler"

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