well, they are kinda bell shaped so acostics should give it a good amount of back pressure. i guess just be careful since now water and moisture will be able to get to the exuast port and also the piston and/or cylinder easyer and could cause problems, I guess just fog it good at the end of the season and dont go water skippin' with it ; )
@IcechickenSr Oh, and are those the Mikuni pumper carb's too? They look like it with the butterfly's showing. Man I really like this sled. I'ts a tossup for me betweenthis one with your mod 744 and the hirth 793 tripple. Cheers, IC
@kitekunisaki2000 actually, they give no back pressure. its like running half an expansion chamber, its only helping evacuate exhaust from the cylinder. and there is no opposite facing cone to stop the pressure wave and keep the fresh F/A charge from exiting with the exhaust. thats why all new 2 strokes have expansion chambers, they not only help evacuate exhaust, but they also keep the fresh F/A charge from leaving until the piston closes the exhaust port.
@Turbojeep23 so man would it help to do a costom one thats like 1 inch fatter but similar to the factory one .........and not require rejetting jw im a snowmobiler and im looking for ways to make my 340 faster
wow
i have the shitiest fricken arctic cat
its a 1997 model
my dad just spent like $5000 on it and it still doesnt work
he could of just bought a new one
AJandAustin1234 2 years ago
@AJandAustin1234 what model? and whats wrong with it? i might be able to help you solve the problem.
Turbojeep23 1 year ago
@AJandAustin1234 Or send you to english school!
catalinaumbert 3 months ago
well, they are kinda bell shaped so acostics should give it a good amount of back pressure. i guess just be careful since now water and moisture will be able to get to the exuast port and also the piston and/or cylinder easyer and could cause problems, I guess just fog it good at the end of the season and dont go water skippin' with it ; )
shoprat17 2 years ago
Whats all invloved in the 744 mod? maby you can find some dual ignition dual plug heads for her, love the megaphone ppipes too! Cheers, IC!
IcechickenSr 2 years ago
@IcechickenSr Oh, and are those the Mikuni pumper carb's too? They look like it with the butterfly's showing. Man I really like this sled. I'ts a tossup for me betweenthis one with your mod 744 and the hirth 793 tripple. Cheers, IC
IcechickenSr 2 years ago
are those straight pipes? ;P
Basse92 2 years ago
too bad modern day sleds dont sound good with megaphones :C
kitekunisaki2000 2 years ago 2
those pipes sound alot better than a scorpion 1 lunger with a 6 inch header pipe.
Turbojeep23 3 years ago
thats whys its in a cone shape it still maintains the scavenging effect
predmetz 3 years ago
They know, but it sounds damn cool!
miniz33 3 years ago
if all that is is straight pipes, on a 2 stoke your actually losing power because of low/no back pressure
shoprat17 3 years ago
you are correct about that but if it is a funnel shape it actually gives it the best back pressure
kitekunisaki2000 2 years ago
@kitekunisaki2000 actually, they give no back pressure. its like running half an expansion chamber, its only helping evacuate exhaust from the cylinder. and there is no opposite facing cone to stop the pressure wave and keep the fresh F/A charge from exiting with the exhaust. thats why all new 2 strokes have expansion chambers, they not only help evacuate exhaust, but they also keep the fresh F/A charge from leaving until the piston closes the exhaust port.
...they do sound baddass though!
Turbojeep23 1 year ago
@Turbojeep23 so man would it help to do a costom one thats like 1 inch fatter but similar to the factory one .........and not require rejetting jw im a snowmobiler and im looking for ways to make my 340 faster
green2stroke 3 months ago
man that sounds sweet :)
lawnboy7260G 3 years ago
Horsepower Profiles. Com
Brag A Little
hrspwrprofiles 3 years ago