[Nash04]

Ok this Saturday I will be going to a custom pipe builder so he can build me a header/mid pipe for my Supertrapp, he has a mandrel machine so it should be a real good job, will ask him if he could set it at 1.75 since our OEM is 1.5
If some of you are interested in this, let me know and I'll inform him of this and see if he can give us a good price. I know that some of you are like me, love the supertrapp exhaust and since Supertrapp are dragging their feet, figure that you could purchase their universal exhaust at
http://www.supertrapp.com/product_sections/cat.asp?CatID=30 and either go with the 1.75 or 1.5 or 2.0 which is what I have. Did talk with Supertrapp and they said the 17" exhaust would work perfectly. Had it on my bike until the OCC mid pipe started to leak and was running great prior of the leaks.

 

[bdr455]

I want to see when it's done..

 

[Nash04]

I'll post some pictures once it's done.

 

[Nash04]

Just got it back and it looks sweet except that I have a small leak where it slips on the header but it's minor and fixable. The pipe is made of alluminized steel so it's light and will take a long time to corrode but if you have it heat coated then it will last for a very long time, at this moment I'm waiting for some Lava exhaust wrap. The pipe is 1 5/8" which the OEM is 1.5"

He made an extra one so he could have a template if somebody else would like the header. He did use my OEM flange since he did not have any stock ones but will order some. Will give me a price once he has everything setup. Since mine is an original one, obviously cost more which is normal.

Here are some pictures.

 

[tbird88]

dude i can see why its leakin the bends dont match up. id sell that and get a barker or fmf

 

[Nash04]

Don't know where you are looking at but from the pictures displayed, you can not see where the header and exhaust connects, if you are looking at the pictures of the exhaust towards the front end, there's a smaller diameter pipe that slips over the header and that's where the leak is at and is very small and fixable. Sorry but didn't take a picture of it since it's in the bend area under the plastic shielding.

 

[Nash04]

If you're looking at # 3 picture in front of the hangar, that pipe is welded. Also nothing against the Barker which is a great system but I prefer my Supertrapp since this is what I've been using on all my atv/motorcycles.

 

[mrtheandrew]

how much could i expect to be charged at an exhaust shop for this? i might look into doing this around here. i dont think its that bad except for where it connect to the muffler, and that could be cleaned up pretty easy. noticed any performance gains from it by the seat of your pants?

 

[Nash04]

Basically it'll depend on if they are using a mandrell machine which will cost more and how much/time the tech puts into building it. As for power, haven't taken it out and am hoping that I'll be able to have Eric from EHS to dyno tune it this Thursday.

 

[mrtheandrew]

i wonder how hard it would be to make a bigger flange where it bolts up to the head so its a true 1 5/8 the whole way through. i think exhaust shops, some of them anyway, have blank flanges they can cut in a variety of sizes.

 

[Nash04]

The place I went did not have a flange that size but did say they can get some and will make some research on it. This place I went basically deals with car/truck exhaust and once in awhile they also do motorcycles, this was his first atv and I think that he did a real good job, now there were other places that can and do build exhaust for bikes but just did not have the mandrell machine and I figure with all the bends that we have, the mandrell would do a better job and as you can see by the picture, the header is not even near any other parts of the engine. Hopefully Eric will be open this Thursday so I can get it tune out.

 

[Nash04]

had Eric from EHS fine tune the bike yesterday and after we realized that I connected the TPS to the wrong cable and riding it today, boy what a difference. Eric did a great job on my tuner. Funny thing is about the TPS, it's been connected like this since the get go and never had any issue with the bike but after being connected properly I can feel the throttle doing its job.

Thanks Eric