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Add muffler/resonator or cat?

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    Add muffler/resonator or cat?

    Im running an M50tu with OBD2 Headers to 2.5in piping all the way back to a turbodiesel benz muffler (dont laugh). It sounds decent but is pretty raspy from about 3.5k at near-full throttle and drones at cruising speed.

    I'm trying to spend as little as possible to clean up the sound...the quieter the better. Should I add a high-flow cat, a center muffler, or a round resonator? I'll probably go with magnaflow for price either way but I'm not sure which device will give me the best sound reduction for now.

    I plan on adding a cat at some point but if its not going to reduce much noise I'd rather pick up one of the other two first.

    #2
    Cat for noise and our environment

    Originally posted by Roysneon
    $5 shipped?
    Originally posted by MarkD
    You are a strange dude, I'n not answering any more posts from you.

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      #3
      ^^ yea. I bought the universal cat from summit. Works fine. Still going to be raspy though!
      NASA
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      PCA member 25yrs




      1991 318IS slick top
      1997 M3 sedan
      2001 325CI DD

      “whoever turns the wheel the least, wins"

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