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DEE 07-22-2009 09:35 PM
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

Mr_Shamrock 07-23-2009 07:06 AM
Custom tune - I would recommend black bear performance. They are less expensive and you will definitely feel the difference.


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