horse power

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07-22-2009, 09:35 PM

DEE

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Join Date: Nov 2008

Posts: 3

horse power

i have a 04 serria 4.8l i have a k&n intake and a flowmaster with a turn down and im looking for a good programer if anyone knows of any let me know

thanks

07-23-2009, 07:06 AM

Mr_Shamrock

Chevrolet/GMC, Racing, Recreational Forum Moderator

Join Date: Apr 2009

Posts: 2,267

Custom tune - I would recommend black bear performance. They are less expensive and you will definitely feel the difference.

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