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  1. #26

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    The weights bolted to the pipes is to change the resonant frequency of the mass and stiffness of the exhaust system. This is a mechanical vibration that can be excited by road or driveline energy and then felt in the car. It doesn't have anything to do with acoustics in this case, it is a purely mechanical behavior.
    Jack Hidley
    Maximum Motorsports Tech Support

  2. #27

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    Quote Originally Posted by 0F0 CBR View Post
    After a 4 hour drive listening to mind numbing drone I bought an 18" Magna flow to replace one of the 14"ers, in hopes to quiet it down at cruising speeds.
    What side did you put the larger muffler on? I am thinking drivers as a little more room and no fuel lines to contend with.
    Well, did it help?

  3. #28
    FEP Member 0F0 CBR's Avatar
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    Feb 2019
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    Ontario, Canada
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    112

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    Not much that I could tell.

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