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Modded collector Gen 1 , one or two pipes?

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LucyFire View Drop Down
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    Posted: 07 Apr 2018 at 17:24
Hey everyone, hope the summer comes soon and waste some tires :)
I have done a modded collector on a RSV-R 2002, but it seems like im losing a lot of power at the low end..up to 4k rpm. the only power increase i feel is around 5-8k rpm..
Anybody here who knows if there is a point in the upper connecting pipe (shorter one) ?
Cheers

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redratbike View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote redratbike Quote  Post ReplyReply Direct Link To This Post Posted: 07 Apr 2018 at 18:42
what diameter pipe did you use 

Google redratbike modded collector there is a dyno chart with 3 lines on

Standard ,front only ,front and rear check it out 

If your pipe is too big you’ll lose low end power 


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LucyFire View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LucyFire Quote  Post ReplyReply Direct Link To This Post Posted: 08 Apr 2018 at 12:07
Im not sure a friend did it for me but i guess they are too big lol, its really dying at the low end it feels just like not enough fuel..im with open airbox, we may need to cut them and put another ones..is there any chance i can find the exact mm pipes to use ?
Cheers
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Post Options Post Options   Thanks (0) Thanks(0)   Quote redratbike Quote  Post ReplyReply Direct Link To This Post Posted: 08 Apr 2018 at 14:12
Originally posted by LucyFire LucyFire wrote:

Im not sure a friend did it for me but i guess they are too big lol, its really dying at the low end it feels just like not enough fuel..im with open airbox, we may need to cut them and put another ones..is there any chance i can find the exact mm pipes to use ?
Cheers
yes buy one of mine and measure

Have you upgraded the eprom to suit the new fuelling requirements?




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Stevex View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stevex Quote  Post ReplyReply Direct Link To This Post Posted: 08 Apr 2018 at 17:27
Can't say your modded pipes look much different in size to the one I got from Mark...although his look a lot more professionally done.
As he says, what chip are you running with?
People say I don't know Jack Sh1t; but I do, he lives next door.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LucyFire Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 2018 at 10:26
Custom eprom, made on a dyno, but now we have to re-map it :)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote redratbike Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 2018 at 10:34
Originally posted by LucyFire LucyFire wrote:

Custom eprom, made on a dyno, but now we have to re-map it :)
you’ll find a big hole in the fuelling owing to the collector 


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LucyFire View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LucyFire Quote  Post ReplyReply Direct Link To This Post Posted: 10 Apr 2018 at 08:08
we will do the collectors again first lol with smaller diameter pipes, thanks for help guys :)
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