a custom made exaust

Base4life · Post by **Base4life** » Wed Aug 27, 2008 8:38 pm

Sorry, i gess i was a little carbby when i said that. My appoligy. And yea i gess. MI back roads are not moped friendly.

lacrosseboy · Post by **lacrosseboy** » Thu Aug 28, 2008 1:00 pm

will the new exhaust effect mpg at all bc i am not geting as good of mpg as i want right now and i dont want to lose to much like a little is fine but not like a lot

keithw · Post by **keithw** » Thu Aug 28, 2008 2:01 pm

If you're running more fuel and air through the engine I would expect a loss in mileage. A.N.S.T.A.A.F.L. (ain't no such thing as a free lunch)

keithw

maddog · Post by **maddog** » Fri Aug 29, 2008 2:22 am

But my 107cc full stroker aero makes you my whimp, will i ever be whimped?

Kenny_McCormic · Post by **Kenny_McCormic** » Fri Aug 29, 2008 2:56 am

maddog wrote:But my 107cc full stroker aero makes you my whimp, will i ever be whimped?

What kind of 1/4 time does it run? got a slip scan?

Post by **noiseguy** » Fri Aug 29, 2008 11:47 am

lacrosseboy wrote:will the new exhaust effect mpg at all bc i am not geting as good of mpg as i want right now and i dont want to lose to much like a little is fine but not like a lot

Ha, seriously? Keep stock if you want to keep stock MPG.

lacrosseboy · Post by **lacrosseboy** » Fri Aug 29, 2008 9:47 pm

lol ok

spewya · Post by **spewya** » Sun Mar 06, 2011 9:54 pm

i cant find the Jennings book and the tuned pipe calculator .. can some one lead me to it

bc117 · Post by **bc117** » Sun Mar 06, 2011 11:44 pm

hey there i just got done remaking my aero's exhaust and all i have to say either cut open the end of the muffler and rip out all the baffles and weld it back up(somewhat loud)or cut off the muffler but only remove the muffler casing! dont remove any of the pipe or you will lose power and put an expansion chamber over the end of the pipe about the size of mine then you will have to make a silencer like me with glass insulation or real name brand 2 stroke packing or go buy a cheap silencer from a small cc dirtbike. if you look at my pic each weld (there are 3) in the stock pipe is where my aftermarket expansion chamber use to start and the stock pipe was later reattached and my pipe was moved back because the number one thing you will be doing is trial and error and i found that i gained power each time i put more of the stock pipe back on! The stock pipe actually ends right at the valve stem on my rim now and thats where my after market dirtbike pipe starts this is the most powerful incarnation yet and i am very pleased with the power(would pop wheelies at every stop light if i let it) and yet it is very quiet.

spewya · Post by **spewya** » Mon Mar 07, 2011 8:22 pm

is the pipe the same as stock until you got to the valve stem .. also is your engine all stock

bc117 · Post by **bc117** » Wed Mar 09, 2011 8:34 pm

yep the stock pipe ends right at the bottom of the valve stem or if you look at the end of the pipe coming out of the silencer that where it ends and my mx pipe that i modified begins. my engine is all stock except for a 100 main jet and some mild to moderate exhaust porting

bc117 · Post by **bc117** » Wed Mar 09, 2011 8:44 pm

hey i don't know what bike or pipe your bike has but please note that some stock exhausts aren't stepped like my aero's so if your pipe doesn't get wider as it gets longer i would recomend buying an aero, elite, etc. exaust that is and cutting/welding on your scoot's header first

spewya · Post by **spewya** » Wed Mar 09, 2011 8:49 pm

its a spree exaust .. are you familar with them

bc117 · Post by **bc117** » Wed Mar 09, 2011 10:25 pm

no im not are they stepped or not?

spewya · Post by **spewya** » Wed Mar 09, 2011 10:55 pm

what do you mean stepped or not ???

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