CAT Removed
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Ultimate HDF Member
Joined: Feb 2010
Posts: 8,039
Likes: 1,305
From: Jayhawk Country
I suppose it could, that's why I bought an extra head pipe from a forum member on here and gutted that one and kept my original with the CAT in it. Just in case I have a warranty issue.
Tourer
Joined: Jan 2007
Posts: 483
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I run Syn 3 and my right leg is still on fire somedays. I do have to couple in the fact that I live in South Texas, aka on the surface of the sun! 
Supporter
Joined: Jul 2006
Posts: 221
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From: Mannford, Ok
It makes a big difference dont' it? There is a lot of restriction there and if you ever saw the cat cut into you would wonder how they even run at all.
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Ultimate HDF Member
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From: Jayhawk Country
You do know SYN 3 is a synthetic blend, right? Not a true synthetic like Mobil 1 or Amsoil. You should see how blue in color the head pipe looked at the where the Cat is. Blue = lots of heat. Big difference with the CAT removed.
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Ultimate HDF Member
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From: Jayhawk Country
I think I paid $125 for the whole exhaust including mufflers. Local shop charged $20 to weld it and then about $5 for some high temp silver paint to cover welded area.