Has anyone considered that a trucks 103db is not just exhaust noise it's the vehicles total noise output.
Trucks have Pneumatics that create noise in their normal operation i.e. air spring brakes, exhaust brakes, Air shifted gearboxes etc.
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[CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER]
Last edited by Rossco; 10-03-2010 at 01:02 PM.
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