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Transforming my stocker's pipes

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Old 06-11-2009, 12:01 PM
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Transforming my stocker's pipes

So today I was bored so the old pipes are getting a retrofit. I gutted the insides. The built my own perforated inside much like an aftermarket pipe, packed the new shorter body with exhaust packing. Then I high mounted them. I am only done with one side sofar, I ran out of packing. What do you think?
Attached Thumbnails Transforming my stocker's pipes-shortypipes.jpg  
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Old 06-11-2009, 12:07 PM
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This would make a GREAT how-to write up!
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Old 06-11-2009, 12:23 PM
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Holy crap! That is awesome. Im thinking you are going to be a little louder than me now.
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Old 06-11-2009, 12:31 PM
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How the heck did you run outta packing for those tiny things? I'm thinking of doing something similar soon. I have some stainless wool on the way. Yours looks good.
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Old 06-11-2009, 12:53 PM
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Originally Posted by Springbubba
Holy crap! That is awesome. Im thinking you are going to be a little louder than me now.

actually it almost sounds the same as your's now, we will see what happens when I am done with the other side. It drops my weight down alot holy crap.
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Old 06-11-2009, 12:56 PM
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Can we please see some better pics when you get a chance?

how did you do it? did you rivet the ends back on or weld 'em back? what did you use for the perforated tube? I'm so very interested!
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Old 06-11-2009, 12:57 PM
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Originally Posted by Gregw
How the heck did you run outta packing for those tiny things? I'm thinking of doing something similar soon. I have some stainless wool on the way. Yours looks good.
I was kind of wondering the same thing... It's not like there is a lot of room for the packaging...
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Old 06-11-2009, 01:03 PM
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How were you able to high mount the stock cans? Did you modify the stock mid pipe?
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Old 06-11-2009, 03:21 PM
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alright, finished with the fab work just need to polish it all up, I test rode it and holy crap it pulls like a freight train now, just needs a little tweek on the low end, has a flat spot right at 3000 rpm.

To answer a few of the questions I had some steel perf 1/8 on 3/16 I believe, that I then made a tube out of. I then cut the stock exhaust in the middle and cut off the end cap. Then cut hammered cursed my way through getting the insides out leaving me with a stubby shell, and a overly large end cap. I then cut from a piece of stainless sheet metal a disc to narrow the id of the end cap down about a 1/2 inch. I welded a piece of tube to the inside of that for the perf to slip over. Then I cut another disc from the sheet metal for the lower part of the can. Cut a hole in it for another tube which the perf connects too as well. Now with all the parts made I wrapped the perf which I welded to the endcap. The reason I ran out of packing was because I only have a 2 inch perf tube running inside of a 4.75 in shell so there is a fair amount of volume in there. Then I welded up the can which I then mounted to my custom made mid pipes that I was able to scavange from a wrecked audi exhaust, cut here weld there and I am done, easy enough if you have the tools.

I only have my cell so the previous pic is a teaser I will get some more shots up hopefully tomorrow. It sounds about like a d & d exhaust noise wise.
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Old 06-11-2009, 07:44 PM
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more photo's I still need to pollish it all up so don't pay any to the scuffs and scratches I will try and post a vid here soon to.
Attached Thumbnails Transforming my stocker's pipes-005.jpg   Transforming my stocker's pipes-006.jpg   Transforming my stocker's pipes-003.jpg  
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Old 06-11-2009, 08:56 PM
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Originally Posted by cornandp
more photo's I still need to pollish it all up so don't pay any to the scuffs and scratches I will try and post a vid here soon to.
Holy hell! now you can start selling kits. How much weight diff? looks cool.
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Old 06-12-2009, 07:25 AM
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easily dropped 15 to 20 pounds judging by how much the left overs weigh. It would be hard for me to build a kit considering this was a scrap yard build. Hopefully in the near future I can purchase a mandrel tubing bender for the shop, then it would be a definite possibility. Even a possibility to just sell high mount mid pipes so someone can turn any exhaust into high mount
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Old 06-12-2009, 08:47 AM
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looks great ! will be a PIA to repack though.


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Old 06-12-2009, 08:52 AM
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yep, a cut and weld operation, how often should they be repacked?
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Old 06-12-2009, 10:03 AM
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Originally Posted by cornandp
yep, a cut and weld operation, how often should they be repacked?
it will all depend on the diameter of the holes on inner sleive. i've repacked pipes a bunch of times... usually when i think they're getting louder. the silent sport packing is by far the best & easiest to use ( it's loose fill and you just stuff it in ). the wrap does blow out but i think it gets coated with exhaust and then looses it's ability to dampen the sound first.

of course now your going to have to walk the bike down the road or risk waking the baby !!!

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Old 06-12-2009, 11:21 AM
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I have been training her to 1. Sleep through it (now more of a challenge) or 2. to wake up smile and go back to sleep. Today I rolled in and my wife said when she heard the bike she stopped crying and after I shut it off started again, how's that for training, a cry stopper.
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Old 06-14-2009, 07:20 AM
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Originally Posted by cornandp
Hopefully in the near future I can purchase a mandrel tubing bender for the shop, then it would be a definite possibility. Even a possibility to just sell high mount mid pipes so someone can turn any exhaust into high mount
Oh Yeah
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