Quote:
Originally Posted by jgos929
That is completely false. The only way you would burn up the valves is if you ran it with no header attached at all. The backpressure thing is a MYTH !!! Any internal combustion engine running open headers is going to make more power then the same engine running headers and a muffler. It has been proven time and time again.
Now back to the op. I would advise against it. For one like the others said all your going to do is piss alot of people off and go deaf in the process. Now running a gp setup like a bunch of others on here are doing including myself I dont think there is an issue. Its still alittle loud but it looks alot better IMO. With the right mapping your bike will run just as well as a more expensive bulky setup.
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I have to correct you on this one, a CORRECTLY designed header will produce MORE POWER thruout the powerband INCLUDING "top end" than straight pipes. A properly designed system will use pressure waves to scavenge flow and increase power. A close friend does design work for Leo Vince (among others) and runs into this mis-information all the time.
Semper Fi!
-Rocky-
PS. before you run open pipes, watch the "F-word" episode on South Park, you may change your mind! 
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ROCKYMT
Far better it is to dare mighty things, to win glorious triumphs, even though checkered by failure, than to take rank with those poor spirits who neither enjoy much nor suffer much, because they live in the gray twilight that knows not victory nor defeat."
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