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rick p
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Joined: 01 Nov 2009
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PostPosted: Sun Jan 17, 2010 12:51 pm Post subject: duel exhaust Reply with quote Back to top

was wondering if some 1 can give me any info on a duel exhaust system for a 09 raptor 700.where to get 1 how much approx and what sort of power gains thanx.
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Banshee250R
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PostPosted: Sun Jan 17, 2010 12:57 pm Post subject: Reply with quote Back to top

i know DMC have a dual exhaust system

i think barkers? do too

Hardiman ATV for DMC and explosive racing for the barkers

not sure on power gains
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fossil800R
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PostPosted: Sun Jan 17, 2010 1:37 pm Post subject: Reply with quote Back to top

PM sent
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gothev8
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PostPosted: Sun Jan 17, 2010 8:50 pm Post subject: Reply with quote Back to top

I have had both DMC and Barkers. I would go the Barkers as they have the same header length. (although I believe DMC has released a copy of the Barkers now which has headers on both sides of the engine?)
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sioux
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PostPosted: Sun Jan 17, 2010 10:06 pm Post subject: Reply with quote Back to top

DASA are making dual exhausts for raptors too go the best
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fossil800R
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PostPosted: Mon Jan 18, 2010 10:55 am Post subject: Reply with quote Back to top

http://www.bluetraxx.com/forums/yamaha-yfm700r-raptor-2006-present/66392-official-dual-pipe-shootout-thread.html

This is the link to the dual exhaust shoot out they did for the Raptor. Some interesting results. DMC's did not rate well overall against most of the others tested. I run the monsters on my '07.
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rick p
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PostPosted: Mon Jan 18, 2010 1:07 pm Post subject: Reply with quote Back to top

thanx mate yer very interesting.ive been given a good price for a set of monsters like yours.just wondering is yours fuel injected and do u think they made much of a differance?ive been told that a good single system is just as good.
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t&l performance
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PostPosted: Mon Jan 18, 2010 1:09 pm Post subject: Reply with quote Back to top

na go with the monsters there very well made ive had a couple sets on different bikes made good h.p and there tuff as and nice clean looking
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fossil800R
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Joined: 22 Aug 2007
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PostPosted: Mon Jan 18, 2010 2:28 pm Post subject: Reply with quote Back to top

rick p wrote:
thanx mate yer very interesting.ive been given a good price for a set of monsters like yours.just wondering is yours fuel injected and do u think they made much of a differance?ive been told that a good single system is just as good.


Yes, the '07 is fuel injected. You are right in that the performance gains between a good single and duals have been noted as being very similar. I believe most people fit duals to try and wring as many horses out of their motors as possible without modifying them. The recommended fuel controller settings for my HMF full system were also the same for the monster duals. I personally find the power a lot smoother with the duals fitted. But other than that and the nicer tone, I didn't find a noticeable performance difference between the two set ups. They do look good but laughing laughing
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Prokiwi
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PostPosted: Mon Jan 18, 2010 7:45 pm Post subject: Reply with quote Back to top

Curtis Sparks single, puts out 1 HP less than Barker duals and is considerably lighter only having one can.
Unless you plan on riding at 7500 rpm or more the additional HP of the duals wont help.

try www.techquadshop.com Steve - he sells them all . get the PC 5 with the auto tune function and the 02 sensor ...makes it easy to tune and guaranteed to work for your setup or conditions.

Duals are all hype , a good dyno guy can get as much out of a good single as the duals ... proven many times over ... cheaper and lighter .
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