header pipe

5 replies to this topic
  • revin_kevin

Posted May 13, 2001 - 09:12 PM


does changing it make much of a differance?
have just fitted white bros "E" end pipe
well pleased .......looking for feed back
regarding fitting front pipe two
thanks in advance people

  • freestyle111

Posted May 13, 2001 - 04:55 PM


it doesnt make as much difference as silencer.silencer may add 3 to 7 hp.headpipe may only add 1 or 2 hp.

  • Taffy

Posted May 14, 2001 - 12:12 AM


the header pipe on the WR is good standard, it's unlikely you can gain much here. i fitted the FMF powerbomb header recently & i think it's a little stronger in the midrange. it takes about 1 bhp to feel the difference, so that would be about right.

the "silencer" is worth at most 2/3 bhp across the board which you can really feel. the higher figures-like 7bhp- come from the fact that an open pipe hangs on longer & therefore at say, 11,000-11,500rpm, there's a big gap.

i ride my at 15,000 rpm so this is right in the meaty part of the powerband! not.


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  • revin_kevin

Posted May 14, 2001 - 09:59 PM


can't beeeeeelieve the differance the white bros has made,transformed the bike now pulls
mingers everywhere 1st /4th....well pleased

  • carlos

Posted May 14, 2001 - 10:41 AM


i also have a e series muffler,and
recently the front pipe,i can just say
buy it !! it pulls and revs like hell,
the rev limiter has now a hard time.
greetings from holland.

  • revin_kevin

Posted May 15, 2001 - 08:53 AM


carlos,did u fit the whole system in one go
or the fuffler first,trying to determin weather front pipe makes a worthwhile gain


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