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2009 GMC Sierra 6.0L

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  #1  
Old 05-01-2009, 04:22 PM
soon to be gmc's Avatar
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Default 2009 GMC Sierra 6.0L

have the truck, want more power.

im going with the afe stage 2 cold air intake, afe throttle body spacer,
and the afe cat-back exhaust.

then with either the diablo sport programer or the hypertech programer.

what will the hp adds be with all of the above?
 
  #2  
Old 05-11-2009, 09:07 AM
bad2006z71's Avatar
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15hp probably. stay away from the throttle body spacers they do nothing for 96+ trucks. as for the programmer, the diablo is the best handheld, hypercrap is junk. but for the best performance go with a custom tune
 
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Old 05-20-2009, 11:45 PM
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if you really want an increase in hp.. go with a costume hp tune...
 
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