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Free flow shall we go for it or not?

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  • Free flow shall we go for it or not?

    Hi guys

    Is free flow cylincer for 4stroke bikes really useful in increasing the performance?

    By how much it will affect the performance?

    Anyone tried HRC exhaust? I have seen 1 fiero and 2 cbz here in pune, but the owners were not near their bikes so coudn't talk with them.
    2000 Suzuki Fiero | 2004 Bullet Electra | 2004 RX135 | 2005 CBZ | 2009 Karizma | 2009 Punto 1.4 Petrol | 2011 Yamaha YZF-R15

    Nav is back !!!
    Getting Leh'ed. Since 2007...

  • #2
    Spelling: silencer

    well bunny has converted his orignal cbz silencer to a free flow one... and yes it has made a differnce. bunny can u give more info on the free flow silencer.

    i have converted my zen's silencer into a free flow one. though i feel at lower rpm the power is a little less but at higher rpm it is a monster. my next step is to get rid of a the catalytic converter and have seperate exhaust pipes for each cylinder.
    Feuer Frei
    http://img.photobucket.com/albums/v3...mann/honda.gifhttp://img.photobucket.com/albums/v3...nner/yummy.gif

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    • #3
      well in india not much ppl hv experimented wid free flow n stuff for 4 stroke bikes. hrc is available in delhi also..i drove a cbz wid hrc exhaust,i found dat initial was a bit better.
      i fitted KRP's exhaust charger (2300 bucks!!) but it didnt work..
      HRC has a nice exhaust note to it n nothin more.. costs abt 600 (here in delhi)

      My little big blog bunnypunia.blogspot.com

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      • #4
        bunny...krome said u had free flow on ur bike. which one is that?
        2000 Suzuki Fiero | 2004 Bullet Electra | 2004 RX135 | 2005 CBZ | 2009 Karizma | 2009 Punto 1.4 Petrol | 2011 Yamaha YZF-R15

        Nav is back !!!
        Getting Leh'ed. Since 2007...

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        • #5
          lol krp makes 2 st expansions,so if it was a expansion won,t work.krome u need a header free flow combo for a zen.individual pipes not better.a free flow needs basic calc.like bikes comp.exhaust valve duration and head design,these r some of stuff u need to know before designing a free flow.
          \'87 High Torque RD 350B
          in first gear,6000 rpm,whack the throttle.

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          • #6
            so a properly designed free flow will result in how much increase in perfromance? Some rough estimate.
            2000 Suzuki Fiero | 2004 Bullet Electra | 2004 RX135 | 2005 CBZ | 2009 Karizma | 2009 Punto 1.4 Petrol | 2011 Yamaha YZF-R15

            Nav is back !!!
            Getting Leh'ed. Since 2007...

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            • #7
              bunny's free flow is self made. the orignal silencers's end was cut and all the iron mesh inside was removed. isnt dat wat u did bunny??
              Feuer Frei
              http://img.photobucket.com/albums/v3...mann/honda.gifhttp://img.photobucket.com/albums/v3...nner/yummy.gif

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              • #8
                u did that bunny? Last time when I saw ur bike it was having those big holes at the end of silencer and the sound was great.
                2000 Suzuki Fiero | 2004 Bullet Electra | 2004 RX135 | 2005 CBZ | 2009 Karizma | 2009 Punto 1.4 Petrol | 2011 Yamaha YZF-R15

                Nav is back !!!
                Getting Leh'ed. Since 2007...

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                • #9
                  rajnish i am getting a imported free flow exhuast(hopefully!!!)
                  Feuer Frei
                  http://img.photobucket.com/albums/v3...mann/honda.gifhttp://img.photobucket.com/albums/v3...nner/yummy.gif

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                  • #10
                    which one?
                    when?
                    for how much?
                    2000 Suzuki Fiero | 2004 Bullet Electra | 2004 RX135 | 2005 CBZ | 2009 Karizma | 2009 Punto 1.4 Petrol | 2011 Yamaha YZF-R15

                    Nav is back !!!
                    Getting Leh'ed. Since 2007...

                    Comment


                    • #11
                      ya..d whole silencer has been cut open to reveal d 3 inner pipes.. exhaust note is very good specially when goin up from low revs.. engine feels very relaxed..and also much torquey..wheelies r now more easy..initial pick up seems less but overall its same..top end has increased by 2kmph

                      My little big blog bunnypunia.blogspot.com

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                      • #12
                        well it is a dinan free flow exhust system. my friends honda NSX has it. it costs Rs. 28,000 here in banglore. i will get it imported.
                        Feuer Frei
                        http://img.photobucket.com/albums/v3...mann/honda.gifhttp://img.photobucket.com/albums/v3...nner/yummy.gif

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                        • #13
                          krome try getting a useless or waste silencer of a pulser,we'll try some stuff i have in mind.i feel will work well.
                          \'87 High Torque RD 350B
                          in first gear,6000 rpm,whack the throttle.

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                          • #14
                            i wanna put in knk filters plus d free flow thing in for my may2000,80000km old mpi zen.wat would b d approx cost like? rite now it does 154 (4th gear).. will it cross 160?

                            My little big blog bunnypunia.blogspot.com

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                            • #15
                              get the shockers raised, put much more air in the tyres... get rid of all extras it will cross 165kmph atleast. ( we have tried this)
                              Feuer Frei
                              http://img.photobucket.com/albums/v3...mann/honda.gifhttp://img.photobucket.com/albums/v3...nner/yummy.gif

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