Dual Exhaust??

[roadthrills]

Does anyone on here have a 250x or 300ex with custom dual exhaust? I bought some pipes and silencers and want to build a dual setup for my 250x. What do you think it will do performance wise? Will it hurt anything?

[Aceman]

Probably lose your low end power because of the substantial increase in exhaust flow through 2 pipes instead of only 1. Only benefit I see having duals is it would probably be quiet with some good silencers. You would probably be better off with a quality full system than duals. Now if you had a big bore kit/stroker combo than maybe you would benefit from duals.

[MarkyNark]

true dat!

[roadthrills]

My engine is bored 2 mm and stroked 4 mm. Wiseco 12:1 high compression piston. Head is ported and polished. The cam is advanced 4 degrees at the crank sprocket. And I made a couple oil flow modifications while I had it all apart. I'm still going to put on an XR ignition and jet my carb. Also I have holes in the airbox and a K&N air filter.

[drifterx]

just go with a full system, forget the duals.

[Kyle_Racer_31]

Dual---is the best...:D

[roadthrills]

Well I started building the duals today. The system is going to Y about 4 inches out from the head then split rams horn style, and go down each side to the back.

[Out_Sider]

y?:huh