how are the cobra exhausts like the megaphone, and q series
and how would they be on the bikes in my signature

how much power would the megaphone give the sx and how loud is it?

also how would the q series be on the 250? and improvement?

 

If I was you I would go to powroll . com and get the oversize headpipe for the 200sx. It works with stock or aftermarket silencers and is only 20 bucks. There was only 5 left when I looked and no more will be made.