View Single Post
Old 11-05-2013, 10:40 PM
massdrive's Avatar
massdrive massdrive is offline
Motorized Bicycle Elite Member
Join Date: Oct 2013
Location: Las Vegas
Posts: 455
Default Re: New Twist On Banana Pipe

Originally Posted by massdrive View Post
I sat on a stool in my garage next to my bike for a spell each day for 2 weeks trying to figure how to mount my banana expansion chamber. I didn't like the standard down sweep between the peddles. I wanted an up sweep exhaust keeping the expansion chamber as close to the header as possible. I also wanted a nice clean mount with out drilling holes in the frame or using clamps and brackets too. This is what I came up with...
After setting the pipe exactly the way I wanted it with what ever I could use to shim, block and hold it in place I tacked it together. After tacking it securely I removed it and finished welding it. I'm an experienced welder and was confident that it would fit after welding so I went ahead and painted it with 2000 degree heat paint and installed it after it dried. As I said before I didn't want to drill any holes in the frame or have some crazy looking brackets on it so while the paint was drying I fabricated a doughnut clamp with a drilled and tapped mounting pad from aluminum pipe and clamped it to the rear down tube, and screwed the banana pipe to it. I'm very satisfied with the final outcome. Bonus; it oils my chain for me... lol I'm going to add a 70 to 80 degree curved tail pipe to the end to blow the exhaust away from the bike...
Attached Images
File Type: jpg 7_welded together.JPG (73.0 KB, 105 views)
File Type: jpg 9_made this mounting clamp.JPG (70.8 KB, 122 views)
File Type: jpg 10_made this mounting clamp.JPG (73.1 KB, 112 views)
File Type: jpg 12_replaced studs with stainless steel socket head cap srews.JPG (86.3 KB, 134 views)
File Type: jpg 13_ exhaust done & installed.JPG (82.9 KB, 145 views)
Reply With Quote