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Old Dec 8, 2012 | 09:52 PM
  #1361  
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Ditto
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Old Dec 8, 2012 | 09:55 PM
  #1362  
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sexy welds by the way
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Old Dec 8, 2012 | 11:51 PM
  #1363  
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I have a gauge for that
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Well arent yall lucky

Fixed the meth today and wrapped the first half of the downpipe. A foot past the turbo the pipe didnt even change color As big as it is, Walker made it in such a way where its actually not that bad to remove it, which is very impressive IMO.
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Old Dec 9, 2012 | 12:01 AM
  #1364  
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Damn that down pipe looks good def welded it up badass. Does it sound any different?
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Old Dec 9, 2012 | 12:05 AM
  #1365  
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I have a gauge for that
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Its actually quieter than it was, probably due to it sealing much better (fancy vbands with the male-female surfaces). Havent heard it with the cutout open yet.
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Old Dec 9, 2012 | 12:09 AM
  #1366  
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lol cool def post some open cutout videos bet it sounds pretty good.
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Old Dec 9, 2012 | 02:54 PM
  #1367  
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I want to hear it too. I bet it sounds mean!
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Old Dec 9, 2012 | 04:03 PM
  #1368  
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Originally Posted by Three6GMC
lol cool def post some open cutout videos bet it sounds pretty good.
Originally Posted by oakley6575
I want to hear it too. I bet it sounds mean!
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Old Dec 9, 2012 | 08:33 PM
  #1369  
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The new down pipe looks bad ***. Those welds are beautiful!

Can't wait to see the results
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Old Dec 15, 2012 | 12:49 PM
  #1370  
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Well some results....I made a little dump pipe to a spare flange I bought to point the exhaust away from the transfercase. With the cutout not blocked off it is very loud and very deep and rattles every single panel of metal and plastic on the truck

Its also impossible to control boost. With the cutout open I cant give it more than half throttle without going 20+ psi with the wastegate fully open. I think I hit 26psi the first time I put the pedal down for a second, so thats no beuno. I blocked the cutout back and managed to keep it around 18psi with the 6psi spring and boost referenced to the bottom port of the gate. With the cutout blocked it has to flow through the 4" system.
At the same boost level, between the cutout being open and closed, its about a 200hp difference. So I would definitely say it helps

I am going to have to put on a bigger wastegate to try to control the boost at least down to 10psi or so.
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