making 2 into 1 pipe. need some input...
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Intermediate
Joined: Apr 2009
Posts: 46
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From: sl,ut
making 2 into 1 pipe. need some input...
the bike is an 82 shovel fxr. the pipes currently on it i made myself. but i want to make some 2 to 1 pipes. i have a few questions.
1. can i make it a 1 piece pipe and still be able to install it? or do i need to make 3 seperate pieces that come apart?
2. is there any way to make a good collector pipe? or should i buy that piece?
3. any recomendations for the best size of pipe to use?
1. can i make it a 1 piece pipe and still be able to install it? or do i need to make 3 seperate pieces that come apart?
2. is there any way to make a good collector pipe? or should i buy that piece?
3. any recomendations for the best size of pipe to use?
Road Warrior
Joined: Jan 2007
Posts: 1,276
Likes: 8
From: Minneapolis Area, MN
I can tell you that on an EVO you can get a one piece pipe on, but it would be clumsy to handle, and heavy an the *** end so you'd have to support it while torquing to the heads. My Rinehart is 2-pc, the muffler and the 2-1 headers.
Making the collector would be tough depending on the inlet size versus the outlet size. On OCC they once took two smaller pipes and welded them into a larger ellongated or egged-out pipe.
Can't help ya on the pipe size.
Making the collector would be tough depending on the inlet size versus the outlet size. On OCC they once took two smaller pipes and welded them into a larger ellongated or egged-out pipe.
Can't help ya on the pipe size.
Cruiser
Joined: Mar 2009
Posts: 167
Likes: 3
From: Cornelius OR
Stepped primary pipes as long as you can make them (bring the rear forward around the cone) and end them behind the trans. size would be dictated by the size of the motor, if it's not a stroker with significant head work, I would say 1 3/4" stepped to 1 7/8" X ~18" keep your merge as straight as possible 2 1/4" collector.
Aw crap, just buy a ThunderHeader....
Aw crap, just buy a ThunderHeader....
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