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22-02-2007, 03:28am
Quote:I got a set of stacks of marc today (he is a top bloke to deal with fast delivery and is mad like the rest of us), I took it only for a short blast tonight but feels good, I have lost no bottom end at all if any thing its better (with the air box mod done), time will tell maybe more so at the drags next time out, one thing when riding now its sounds mean not to loud but sounds like a blower on it pumping away, these stacks are not that short after all they are not far off the log ones allready fitted with out the bends, if anyone wants to try them out if unsure and is thinking about getting some, I'll swap my air box on to your bike and you can test try them and you can make up your own mind,
Did I ever mention that your forum has more logical members than the "other" Haybusa organization?
One of the reasons the Factory Pro stacks work better than stock type stacks is that they have better velocity (smaller stack ID) than the stock ones. If you notice on the patent pending rubbers, they have a "tongue" that goes into the throttle body's bellmouth, necking it down, keeping velocity sig. higher for stronger, hp producing pressure waves.
BTW - I am still trying to figure out how to describe the improvement in the intake sound.....
Best regards, thanks and have a great day -
Marc
aka Evil Curmudgeon <i></i>
Did I ever mention that your forum has more logical members than the "other" Haybusa organization?
One of the reasons the Factory Pro stacks work better than stock type stacks is that they have better velocity (smaller stack ID) than the stock ones. If you notice on the patent pending rubbers, they have a "tongue" that goes into the throttle body's bellmouth, necking it down, keeping velocity sig. higher for stronger, hp producing pressure waves.
BTW - I am still trying to figure out how to describe the improvement in the intake sound.....
Best regards, thanks and have a great day -
Marc
aka Evil Curmudgeon <i></i>