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exhaust system help

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    #1

    exhaust system help

    I am almost finished with my exhaust system...2.5 ebay cat-back that the muffler was cut off and replaced with a 2.5 dynomax super turbo..so to test its performance I just use a straight through test pipe and man does it run. I have to hit about 3000 to hit the power ban to feel the difference...I did some engine cleaning with top engine cleaner and man does it go now and I was wondering the sound is killing me it sound like something is hitting/rattling inside the muffler at around 0-2000rpm and past that it has a nice deep sound...would a obx cat high flow cat cut down on the sound...

    thanks
    New paint job and bumper 8/8/11
    tsx retrofit
    f22b dohc boosted
    custom gauges pods

    Motivation is one of the keys to life....tell me "can't" and I wll show you I can
    Tags: None
    #2
    The rattling or something inside the pipe sound, is the system bolted on or welded on and secure? Could simply be something loose and rattling and you just aren't able to hear it at a higher RPM.

    A quality high flow cat should cut down on the noise level of the system. Test pipes are not really meant for road use, they are more of a performance/track setup.

    Comment

      #3
      what kinda performance drop with I get with the cat

      http://cgi.ebay.com/ebaymotors/OBX-H...spagenameZWDVW
      Last edited by Gtseviper; 05-17-2008, 01:02 AM.
      New paint job and bumper 8/8/11
      tsx retrofit
      f22b dohc boosted
      custom gauges pods

      Motivation is one of the keys to life....tell me "can't" and I wll show you I can

      Comment

        #4
        can a LX/DX cat fit on an ex model
        New paint job and bumper 8/8/11
        tsx retrofit
        f22b dohc boosted
        custom gauges pods

        Motivation is one of the keys to life....tell me "can't" and I wll show you I can

        Comment

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