Stainless Supertrapp help please!

Posted: Wed Jul 04, 2012 4:28 pm

Bought one of these for my 900, it was used and I didn't receive the header flanges with it.

Does anyone have pics and/or a description of the flanges they can share? Need to know so I can get them on my bike, thanks!

Posted: Wed Jul 04, 2012 4:48 pm

I am not sure what you mean with "flanges", but there are short tube pieces that fit snug inside the front end of the header pipe. They have a folded rim that more or less duplicates the rim/lip of the header pipe. Is that what you talk about?

CB1100F Joined: May 13, 2005 Posts: 3217 Location: NE OHIO

You just use stock Honda parts to mount it with. The 750 aluminum crowns and split collars or the 900-1100- crowns and split collars.

Posted: Wed Jul 04, 2012 6:40 pm

DOHCRob wrote:

I am not sure what you mean with "flanges", but there are short tube pieces that fit snug inside the front end of the header pipe. They have a folded rim that more or less duplicates the rim/lip of the header pipe. Is that what you talk about?

What I mean are the pieces that bolt the header to the motor. I do have the 4 tube pieces you are talking about.

Posted: Wed Jul 04, 2012 6:41 pm

Luckysox wrote:

You just use stock Honda parts to mount it with. The 750 aluminum crowns and split collars or the 900-1100- crowns and split collars.

Thanks.

This was lost on me as I haven't ever had the stock parts in hand, bike came with a steel Supertrapp header on it, which uses conventional bolt-through flanges.

I guess I need to look for stock parts.

Posted: Fri Jul 06, 2012 3:33 pm

these are easy to find. 900/1100 come with chrome steel collars but 750 (and 1100R) came with aluminum. I recommend the aluminum to save weight but you will need to drill them out for the larger 900 bolts. You will also need the half clips (2 per tube) which are unique to 750 and 900/1100.

Posted: Fri Jul 06, 2012 6:23 pm

stoutblock wrote:

these are easy to find. 900/1100 come with chrome steel collars but 750 (and 1100R) came with aluminum. I recommend the aluminum to save weight but you will need to drill them out for the larger 900 bolts. You will also need the half clips (2 per tube) which are unique to 750 and 900/1100.

I have a set of the aluminum collars but haven't had a chance to install yet. Are the aluminum collars the right diameter for 900 and 1100 exhaust pipes, i.e. is it only the stud holes that need to be drilled out?

CB1100F Joined: May 13, 2005 Posts: 3217 Location: NE OHIO

Bucko wrote:

stoutblock wrote:

these are easy to find. 900/1100 come with chrome steel collars but 750 (and 1100R) came with aluminum. I recommend the aluminum to save weight but you will need to drill them out for the larger 900 bolts. You will also need the half clips (2 per tube) which are unique to 750 and 900/1100.

I have a set of the aluminum collars but haven't had a chance to install yet. Are the aluminum collars the right diameter for 900 and 1100 exhaust pipes, i.e. is it only the stud holes that need to be drilled out?

Yes but you have to use the split collars from the 750F with the matching Aluminum peices.

Posted: Fri Jul 06, 2012 8:39 pm

Thanks Lucky