4 ito 2

Anyone tried fabricating a 4>2 system using stock headers without collector box? Kind of along the lines of a 4>1 Mac...

skillet

 

Ya skillet if you look in my gallery I did that. I actually used a mac 4-1 header. I cut the pipes and turned them to go to each side it worked really good. I used 2 1/2 inch exhaust pipe to collect and built some baffles to try to be un-noticed by the police.

 

All that's needed is a pair of Y-collectors 1-1/4" from the headers to the mufflers. Anything's possible.

 

Thanks, my friends. Sometimes the obvious escapes me ...

skillet

 

skillet don't know how soon you're looking to get started but I'm doing the same thing. I just ordered some bends and tubing to do this to mine. I'll have pics and a short write up on my build thread when I get to it.

 

Thanks! I'll be looking forward to the update...

skillet

 

Heres mine during mock up, as i said before, didnt care for the sound of it.
tried it with a baffle and without...

 

Looks like another winter project!
I like the idea of the 2-into-1 conversion for each side of the bike, but I would put some turn-outs on the ends of the mufflers so the hot exhaust wouldn't blow right at the rear tire. But now that I think about it, it would interfere with my center stand and I like using it too much.

 

Sure headed in the right direction though :wink: ...

skillet

 

Stainless mufflers, collectors, down pipes, and systems.
Expensive, but well built and quiet.

http://www.lm-spares.co.uk/acatalog/Yam ... austs.html