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  #1  
Old 06-09-2013, 02:23 PM
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Default Decatted head pipe?

Seems like a cheap performance upgrade. Anyone decatted a stock head pipe? Thoughts?

Is it hard to do? I'm not very mechanically inclined.


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  #2  
Old 06-09-2013, 03:09 PM
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Default decatted head pipes

I just had mine done. Took it to a friends work and he had his welder cut it open and clean it out. He then welded it back and it only cost me 20 bucks. Put it back on this week and took it for a short 80 mile ride in the rain. I have the stock ecm map on the bike and it still runs okay but not good. I have a Sept but that's a whole different story. Going to get a PV and that should fix a lot of the small problems.
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Old 06-09-2013, 03:16 PM
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How long did it take your friend to do it? I have a friend that welds too. Sounds way cheaper than buying a new system. I already had a night stick slip on and heavy breather. I'm sure ill want to tune it after.


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Old 06-09-2013, 03:31 PM
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I bought another decatted head pipe off e-bay. It cost me $130 and that way I could keep my original head pipe with the cat in it. That way if I wanted to I could go back to original exhaust. Also the down time was only whatever time it took to change the head pipe.
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Old 06-09-2013, 03:58 PM
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i did mine myself, took off pipes marked a T on pipe with a sharpie ,cut it in too with a hack saw , took a long chisel and hammered it in between pipe outer shell and catitalist material you have to go all the way around pipe,hammer chisel in pull it out and right beside that place do it again till you go all the way around the pipe then it will come out in one piece,weld it back together by lining up the t you marked with sharpie and your good to go ..it makes a hell of a difference in performance i was really surprised
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Old 06-09-2013, 04:00 PM
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Cool. Found one on eBay just now. $125 shipped. Bought.

Hope I can get by a while without a tune. Guess we will see.


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Old 06-09-2013, 04:02 PM
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Did it improve y'all's sound??


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Old 06-09-2013, 04:04 PM
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it makes a little louder not much..
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Old 06-09-2013, 04:11 PM
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Is it any deeper? Stock with the night stick, my exhaust note is kinda "tinny" sounding.


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Old 06-09-2013, 04:19 PM
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yes it depends on your mufflers,also the header nuts that hold the pipe to the engine are torque at 100 inch pounds thats not much so dont over tighten, and should be checked every other oil change because they heat up cool down and come loose..there notorious for coming loose
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