| My dad has a 05 powerstroke with a 4" turbo-back straight and when it is idling the turbo is really loud like a jet. I heard that on the duramax that it will never whistle like this. I have an LBZ and was wondering if a 5" turbo back straight would make it whistle really loud like this?
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2007 White Chevy Silverado HD LBZ, CC, SB, 4x4, suspension maxx torsion keys for 3" front lift, 20x10 Moto Metal 951C, 325/50/20 MT Baja ATZs, escalade handles, 5% tint all around, no muffler, 5" tip, escort 8500 radar detector |