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Old Nov 21, 2003 | 11:10 AM
  #1  
Fbody Man's Avatar
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From: Newark NJ
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Hey guys sorry i haven't been on in a while, been busy. Just wanted to tell you guys that i received my headers from ls1 speed and put them on. They are macs. Took me and a friend 4hrs. to put them in, but let me tell you it was so worth it. I got macs with and ory pipe and the loudmouth exhaust . There's only one problem. I have this massive vibration under the car a little bit past idle ; what gives?
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Old Nov 21, 2003 | 04:36 PM
  #2  
WILWAXU's Avatar
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From: League City, TX
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Sounds like something isn't tight, or the ypipe is hitting something.

Good thing about MAC's the ypipe is easy to move around till it clears.
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Old Nov 21, 2003 | 04:54 PM
  #3  
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Id guess the y-pipe is hitting something.
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