GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

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Old Jan 24, 2009 | 01:56 PM
  #21  
blackvmax07's Avatar
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From: Pearland
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hey man how does it run now?
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Old Jan 24, 2009 | 04:00 PM
  #22  
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Launching!
 
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From: Conroe, Tx
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Originally Posted by 99ngc00
What size headers and y did you go with? Just wondering...
1 3/4's with cat/ 3 inch y-pipe. The tune after the headers was my biggest gain, it really woke up my truck.
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