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Discussion Starter · #1 ·
I need some suggestions and info. I lopped the cat off the stockers and I am trying to make a custom 2 into 1. How did you guys that have accomplished this do it? Where did you get the parts from? Should I cut more off the pipe? I know I need a collector and muffler just need to get a feel for what you guys are doing and where you got the parts from. Heres a few pics of what I have done so far:

View attachment 18911

View attachment 18912

Thanks in advance guys :bigthumbsup:
 

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2 into 1

Yea thats a good ? I just picked up a 2nd stock exhaust myself today was just gonna shorten it and add tips. But going 2 into1 would be cool to do. If anyone has suggestions or how To. Please pop a link in this thread. have been searching but dont see any stocker moded.8)
 

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2 into 1 Custom Pipe.

Did that,but left the CAT in place.Did that so the bike would be legal.Has yet to go through the vehicle inspection place,but am confident that the bike will pass with flying colours.Had the system on the bike a short time back.(not finished yet)Without the muffler on,it sounds SOOOOOOO damn GOOD.Wanted to take the beast for a squirt up the street,but I'd probably get pinged for that.Put the muffler on(so much quieter),gave it a gut full,and had a grin from ear to ear.One of my neighbours(Kev) came over and asked me WTF have you got in your shed.Showed him.Now he is buying a 9,and selling his Harley.The system still retains the two O2 sensors,so there is no need for a PC3/5.Got a Cobra FI2000R,so the bike doesn't run lean.The muffler is a high performance straight through car unit,so the DB's should come within legal limits.If not,that will be addressed to make it legal.Here in OZ,if you mess with the CAT in any way,shape or form,and you get found out by the law or the RTA,you could be hit with a $AU10K fine.It is law over here,but to date I do not know of anyone who has been slammed with it.It would have been so much easier to buy a system,but there is a lot of satisfaction in making something your self.KEZZ.:bigthumbsup::bigthumbsup:
 

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You could PM Zoom or L.T.T. Im sure they could help you out.I thought their was a post in the how to section also.
 

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cool thought

dont mean to hijack but this is similar in topic. I want to make mine dual one on each side going from round to oval under the bags. How about it all you gear heads and engineers, could this be done. I dont want to spend 800 on exhaust that im not really wanting. But would spend it to do this. It might be the first of its kind.
 

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SICKRIC is great at custom pipes too. He would be good to talk to also.
 

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Discussion Starter · #8 ·
Thanks Hink, read those threads already before posting and Zooms thread provided the most info. The other threads either didn't get into detail or pics didn't work. I am glad I cut the pipe directly behind the set and kept the collector for the most part. Now I just need to find a muffler I like and weld a pipe from the collector to the muffler that will work. Any other input from the fabricators of the board would be much appreciated.
 

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I'm in the middle of doing another one, actually two different options for the muffler and a different mid pipe design.

Everyone does these a little different. Get the muffler you want first, and get one that has the inlet you want. My first had a 2 1/2" inlet/outlet but I dropped back to 2 1/4" on the second. The first was too open and too loud. Plus a 2 1/4" inlet usually comes with a 3 1/2" case, which fits inside the 4" chrome exhaust tips I use. If you're using a full muffler, get whatever you want but no smaller than a 2 1/4" inlet/outlet.

Once you get the muffler position it on the bike the way you want it to be when you're finished. Figure out what it takes to get from the headpipes to the muffler, and go to work. My first and second had a 2 1/2" connecting pipe, which fits inside the headpipe as you have it cut now. My next will have a 3" that goes over the headpipes. 3" works better for a collector, then you reduce it to the size you need for your muffler.

Plan where your heat shields will end too. Keeps you from leaving a gap or having to custom fabricate something.

You can actually angle the 3" to point it at the muffler, then angle cut an adapter to connect it to the muffler. This will give you a collector that's 3" x about 9", or close to it.

But it's basically a cut and fit operation. I've used pieces of old exhausts to get the bent sections, cut and welded pieces together, etc.
 
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