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Do free flow exhausts need to loud?

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  • #16
    Thanks a Million Ton 'Old Fox' u rock man thank u very much!
    CBR 650F <02/2017>
    Honda Aviator<2017>
    CBR250r :) <11/2011 to 2017> Sold
    Hero Honda Karizma <2009 to 2011 september> Sold
    Bajaj Pulsar 180 UG3 <2007 to 09> Sold
    Honda Unicorn <2005 to 2007> scrap yard

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    • #17
      Old Fox

      Now thats what we call an explanation, a guy like me from Arts background understood it in one glance, some use flowery language to impress and some complicate things for no apparent reason. You did neither but got down to the basics and stuck to the point.Please keep enlightening people like me.

      Peace!
      sigpic
      Life's An Ethereal Blur

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      • #18
        Originally posted by Old Fox View Post
        I did this at a friend's fabrication workshop. I guess any good outfit that understands welding can do this for you as it is primarily sheet-metal work. Karol Bagh, Lajpat Nagar, Yusuf Sarai etc etc.
        Sir, have a doubt. That exhaust doesn't look like the one in stock ZMA. Please throw some light on it

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        • #19
          @Old Fox

          Sir, Thanks for the great explanation.Clears my doubt.
          2004 Pulsar 150 DTSi

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          • #20
            Originally posted by Shreeni0403 View Post
            Sir, have a doubt. That exhaust doesn't look like the one in stock ZMA. Please throw some light on it
            The exhaust is stock. This is what remains after the chromed heat-shield and the gold-coloured top sleeve is removed.
            I don't let my motorcycles interfere with my motorcycling...

            Join xBhp On

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            • #21
              Sir,
              Followed ur steps and got everything done . Ride quality has improved slightly and engine is quite smooth. Thanks a Lot for Guiding me .. But there is slight metal vibration coming from exhaust(when i rev high only) which is assume is due 2 high pressure air . is it common or did i do something wrong ?
              CBR 650F <02/2017>
              Honda Aviator<2017>
              CBR250r :) <11/2011 to 2017> Sold
              Hero Honda Karizma <2009 to 2011 september> Sold
              Bajaj Pulsar 180 UG3 <2007 to 09> Sold
              Honda Unicorn <2005 to 2007> scrap yard

              Comment


              • #22
                Originally posted by samarth14feb View Post
                Sir,
                Followed ur steps and got everything done . Ride quality has improved slightly and engine is quite smooth. Thanks a Lot for Guiding me .. But there is slight metal vibration coming from exhaust(when i rev high only) which is assume is due 2 high pressure air . is it common or did i do something wrong ?
                Good to hear that. The engine revvs up more freely than before. You'll also discern a slightly better mileage. As for the vibration, its probably one of the heat shields thats resonating. Note that it'll happen only within a certain RPM range, say between 6000-7000 RPM. The allen-bolts holding them in place suffer from rust as they are exposed to both moisture and heat. Re-tightening them to factory specs is usually not possible due to rust on the threading. Tighten them up again after a day or two of use. Things should settle down with regular usage.
                I don't let my motorcycles interfere with my motorcycling...

                Join xBhp On

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                • #23
                  Thank u sir will fix it myself..
                  CBR 650F <02/2017>
                  Honda Aviator<2017>
                  CBR250r :) <11/2011 to 2017> Sold
                  Hero Honda Karizma <2009 to 2011 september> Sold
                  Bajaj Pulsar 180 UG3 <2007 to 09> Sold
                  Honda Unicorn <2005 to 2007> scrap yard

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                  • #24
                    Could someone throw some light on the permissible limit (noise limit) of exhausts on motor vehicles in India?

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                    • #25
                      Originally posted by kunnu@cbz View Post
                      Could someone throw some light on the permissible limit (noise limit) of exhausts on motor vehicles in India?
                      9O dB ...........
                      .
                      sigpic

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                      • #26
                        Thanks!

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