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Post by ravensguildassasin on Oct 29, 2011 20:49:23 GMT -5
so im thinking of running a drag pipe on my scooter. once again it is a 150cc gy6 no mods yet but i need your opinions on this. would you do it pros cons. just so you all know my exhaust is falling off and cracked. hence the question. if i had the money i would just get a new one. lawl
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Post by drifter on Oct 29, 2011 21:55:49 GMT -5
I'm not sure about scooters, but I do know motorcycles. A straight drag pipe is only good at WOT (wide open throttle), hence the name "drag" pipe, from drag racing. You lose a great deal of low and especially midrange torque with them. Internal combustion engines are designed to run with a certain amount of backpressure whice drag pipes can't produce. I would not recommend it, but again...not sure about the differences between scoots and cycles.
Dave
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Post by 90GTVert on Oct 29, 2011 22:59:26 GMT -5
It will be loud, draw lots of attention, and probably be very annoying. Better than no exhaust if you have no other option, but not good. Maybe you could make a lawnmower muffler work or something. Something like the top 2 models shown below can be found in a lot of hardware stores and small engine shops very cheap. One is rated 4-8HP, that's the one you'd want. www.jackssmallengines.com/bsmuf.cfm |
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Post by thunderkat59 on Oct 29, 2011 23:32:43 GMT -5
I had drag pipes on a Sportster.
HUGE mistake !! It took about 20 carb on-offs to jet right and they still didnt give as much power as a set of good baffled pipes.
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Post by ravensguildassasin on Oct 30, 2011 0:06:49 GMT -5
hmmmm well the Briggs and stratton one seems like it might work. what do you know my local tractor supply company has them in stock 5 bucks. i wonder if it will actually work though? but any muffler is better then no muffler right?
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Post by 90GTVert on Oct 30, 2011 6:17:54 GMT -5
It's gonna be loud, but not as bad as a straight pipe. Something cheap to get you by.
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Post by bigkahuna427 on Oct 30, 2011 6:18:51 GMT -5
Just take your pipe to anyone with a MIG welder. I wont be $5 but it should be pretty cheap and you would have what is supposed to be on there without re-engineering the bike. Any muffler shop should have a MIG.
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Post by ravensguildassasin on Oct 30, 2011 10:38:12 GMT -5
It's gonna be loud, but not as bad as a straight pipe. Something cheap to get you by. honestly that does not sound to much worst then the normal race pipes i hear all the time on scooters. |
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Post by 2strokd on Oct 31, 2011 9:42:31 GMT -5
Maybe its just me but that Ruk sure sounded like it liked less backpressure with the mower muffler.?. Maybe the OEM exhaust is too restrictive in its case?
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Post by ososlow on Oct 31, 2011 11:09:21 GMT -5
i rode around with out a muffler on my beater for a while. it was great fun during the day, but at nite time not so much
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