Tuneable Baffles

Nekosohana

Registered
OK, I have a thing for loud and I am really strung up between what I know I should do and what I want to do.

So knowing what I SHOULD do (so don't tell me I should just buy pipes, I know this is foolish by nature, but so are all inventions on some level) how can I do what I WANT to do?

Tuneable baffles are a straight pipe alternative for a lot of aftermarket cruiser pipes.

Basically they are just washer on a bolt (image below)

drag_pipe_1.jpg


somemone else who has done it...
http://www.wrench-wench.com/maint/maint-kaw-baffles.htm

and another...
http://www.nightrider.com/biketech/exhaust.htm

But with that in mind I want to think about taking the "concept" of the silencers (and mufflers) and using them on my pipes.

Currently, my straight pipe is about 9" long on both sides since I am still using the stock headers and mid-pipes.  I intend to cut about 2" off of that dropping them to a solid 7" open pipe.  Using the bandsaw to cut them should be easy since it's readily available.

So with the notes above, I know I need (one for each pipe) a washer that I can use for a base that will match the internal diameter of the pipe, should be easy enough to find (since the pipes have no bolts, I can just take it off..., in addition I need some of that perforated steel, and some plate steel that I can use to mold into a ring and weld to the washer base.  I got all that.  What I don't know is what kind of insulation should I use, and can I get it easily?

So, does anyone know what I should wrap the perforated steel with?  I was thinking that fiberglass insulation would be an option since I can get it at home depot, but I don't know if it could withstand the heat of the exhaust.

Thoughts?  Comments?  Flames (since I know I will get them)?

I guess either way it won't matter if it fails because in the end I will just buy the Muzzys I was looking at...
 
Regular fiberglass from home depot will not withstand the heat for very long (and it won't smell very good either!). You should be able to find the high temp stuff at someplace that sells appliance parts or kiln parts. Here is a link to an online source.

Oh and when you figger it out, I want a set!
 
Order a repack kit from summit racing for one of those tunable mufflers (Edelbrock, Supertrapp, Hooker)
 
Look into off road muffler packing for 2 or 4 stroke.bike stores should have this in stock. fmf,white bros. silent sport are some companys that make packing.Good luck!
 
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