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GMFS Military Member
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10,899 Posts
Black Bear or GTFO :imo:
 

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U Mirin' Brah?
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4,947 Posts
yeah dude get a bb tune, much better and cheaper then those programmers. My friend has a hypertech on his 5.3, and I have a bb tune on my 5.3, and my truck just laughs at his lol..but seriously man you wont regret it
 
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