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Old 09-04-2007, 08:25 PM   #1 (permalink)
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duel exhaust

my freind said that they made a duel exhaust for the crf150r but i looked for 2 hours and i cant find it so can someone tell me wat the internet site is or who makes them?? etc. thanks
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Old 09-11-2007, 06:42 PM   #2 (permalink)
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Re: duel exhaust

mayb its DOMA racing that makes them??
they are Euro. and make dual exhausts for all kinds of different bikes
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Old 09-11-2007, 08:42 PM   #3 (permalink)
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Re: duel exhaust

What exactly would be the plus of building a dual exhaust system when there's only one cylinder?
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Old 09-11-2007, 08:45 PM   #4 (permalink)
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Re: duel exhaust

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Originally Posted by Clay18 View Post
What exactly would be the plus of building a dual exhaust system when there's only one cylinder?
Looks
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Old 09-11-2007, 10:15 PM   #5 (permalink)
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Re: duel exhaust

for smaller CC motor there is pretty much no benefit to dually pipes besides looks. for bigger motors it helps, but only if you have a dyno and you know where to look. big minis PC dually pipes for the 110 are 1,ooo dollars worth of "ooooooh look at that bike" factor. Akropovic makes a dual system for a 110 too, that fits on all bikes. Maybe they have the dually for the 150 too?!?!?
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Old 09-12-2007, 03:22 PM   #6 (permalink)
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Re: duel exhaust

It is a waste of money to put dualies on a smaller bike like a 150, but daaaamn would I like to have a set
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Old 09-16-2007, 12:55 PM   #7 (permalink)
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Re: duel exhaust

where are the akropovic dualies for sale?
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Old 12-27-2007, 01:39 AM   #8 (permalink)
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Re: duel exhaust

actually dual adds more bottom and and single adds more top end.
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Old 01-01-2008, 08:16 PM   #9 (permalink)
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Re: duel exhaust

i suppose that would work if the duals caused more back pressure. but even then, it doesnt add any power. it just moves it in the rpm range, like a different length header.
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Old 01-02-2008, 02:51 PM   #10 (permalink)
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Re: duel exhaust

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Originally Posted by Zachmotox179 View Post
where are the akropovic dualies for sale?
id like to no too. ive seen 2 sets in person (one in 06 at a atl. sx, the other was at lorettasthis past year). but i havnt seen them on there site....
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Old 01-02-2008, 02:58 PM   #11 (permalink)
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Re: duel exhaust

Interested in the akropovic duals also.
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Old 02-25-2008, 04:57 AM   #12 (permalink)
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Re: duel exhaust

Scirpion makes duals. I didnt spell them right but look them up. You can lerterally make the 150R a mini 250R.
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Old 02-25-2008, 11:15 AM   #13 (permalink)
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Re: duel exhaust

There is no benifit to duals unless you got mulitiple cylinderbanks. There is more to exhuast then flow and backpressure. Duals=Weaker revision pulse.
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Old 02-25-2008, 11:20 AM   #14 (permalink)
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Re: duel exhaust

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Originally Posted by thegreenripper View Post
There is no benifit to duals unless you got mulitiple cylinderbanks. There is more to exhuast then flow and backpressure. Duals=Weaker revision pulse.
and honda decided to just waste lots of time and money in developing the duals on the 250. Theres a reason they did it, not just for looks.
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Old 02-25-2008, 11:22 AM   #15 (permalink)
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Re: duel exhaust

They claim it is for balence not power. Notice the samsung/no fear team running singles now. Honda did it so they could patent it.
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Old 02-29-2008, 10:31 PM   #16 (permalink)
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Re: duel exhaust

ya like the other guy says, dual pulls really hard on bottom but goes flat on the top where the single is a little less bottom but is AWESOME on the top!! i have ran both single and dual on my 250f and i like the single ALOT more!! cus both the power and there is less things to break, because given the nature of pro circuit pipes, it takes one little tangle to mess up your duals pretty hard core!!
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Old 06-18-2008, 02:17 PM   #17 (permalink)
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Re: duel exhaust

Quote:
Originally Posted by BSrider8 View Post
Scirpion makes duals. I didnt spell them right but look them up. You can lerterally make the 150R a mini 250R.
i c
looked and couldnt find them do have a url of where u found them
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Old 07-13-2008, 08:31 PM   #18 (permalink)
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Re: duel exhaust

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Originally Posted by sxfracer View Post
actually dual adds more bottom and and single adds more top end.
haha how does that work. if it were me i would just stick with one exhaust its the easiest and cheapest
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Old 07-13-2008, 08:36 PM   #19 (permalink)
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Re: duel exhaust

If you put a dual Exhaust and a bbr primeter frame on a 150R, you could probably fool lots of people into thinkin thats a 250
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Old 07-13-2008, 08:39 PM   #20 (permalink)
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Re: duel exhaust

personally i think honda did the dual exhaust on the 250's as a selling point...im sure lots of kids bought the honda 250f rather than say yamaha or kawasaki cause it had dual exhaust...kinda like the kawi black fork legs for 450
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