Thread: Which tunes for me?
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Old Tue, February 2nd, 2010, 01:11 PM
nelstone74 nelstone74 is offline
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you have to remember that stock the OBS truck has a smashed flat down pipe, Once that was changed it made all the difference. Also I was towing loads of hay, gvw 30K and it catches a lot of wind 10' wide and 12' tall.