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Reload Thread: Magnaflow or Flowmaster?

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    Intrepid Bass's Avatar
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    Magnaflow or Flowmaster?

    Getting an exhaust for my avalanche soon and wanted some opinions on each. I was told the only difference is sound. Any input?







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    Re: Magnaflow or Flowmaster?

    no




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    Re: Magnaflow or Flowmaster?

    Straight pipe.



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    Re: Magnaflow or Flowmaster?

    Straight pipes trust me its deep on them i have tahoe its awsome ...not redneck




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    Re: Magnaflow or Flowmaster?

    i heard more positives about the flows...



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    Re: Magnaflow or Flowmaster?

    Im more to Flowmaster, but both make good exhaust.



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    Re: Magnaflow or Flowmaster?

    Quote Originally Posted by Keith H View Post
    Straight pipe.
    Fo sho




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    Re: Magnaflow or Flowmaster?

    flowmaster is more a louder exhuast and the magnaflow is a softer sounding exhuast my step dad tryed both. going with magaflow first and wasnt what he wanted. so he tryed flowmaster and night and day differace. this is on 5.7L hemi so it wasnt a power issue 380HP/404LBS torq



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    Re: Magnaflow or Flowmaster?

    I'll stick with flowmaster, what model are u planning on purchasing?? and any system in the avy yet?




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    Re: Magnaflow or Flowmaster?

    Magnaflows flow better and are alittle less noisey and are stainless . A 40 series flowmaster on that will sound awesome . Catback...the flowmaster systems sound better but the magnaflows will get you just a little more power . Solos are better than both . It all depends on how far you want to go in the exhaust...headers...high flow cats...bigger pipes to acheive your goal




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    Re: Magnaflow or Flowmaster?

    Flowmaster will be ALOT louder inside. alot.

    They drone like crazy, one of the reasons i took it off. I actually just ordered a magnaflow 2 minutes ago.. lol



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    Re: Magnaflow or Flowmaster?

    Flowmaster has always been and will always be crap. Magnaflows will flow better, hands down. Magnaflow is quieter around idle and cruising speeds but it gets loud once you go WOT. I had Flowmasters befor and I'll NEVER get them again, Magnaflow or Bassani FTW.




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    Re: Magnaflow or Flowmaster?

    flopro is awsome.. what my dad has on his truck. i have magnaflow. dont like flowmaster




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    Re: Magnaflow or Flowmaster?

    Borla




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    Re: Magnaflow or Flowmaster?

    both companies patent contracts are up

    go to a local shop and i guarentee you they have an exhaust system that replicates at least one of them, and its at a fraction of the cost.

    I have the GM performance exhaust/intake on my truck. Its not roaring loud, but sounds good and gets throaty when you romp on it.

    However, i would probably go a gibson dual sport exhaust if i were to switch it up, but i got a 75% discount on the GM parts



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