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Single - 4" Cat-Back System - Ultra Flo™ Welded Muffler
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2016-2011 Ford F-250 Super Duty 6.2 Liter V8 - 137.0", 141.8", 156.2", 158.0", 172.4" Wheelbase; 2016-2011 Ford F-350 Super Duty 6.2 Liter V8 - 137.0", 141.8", 156.2", 158.0", 172.4" Wheelbase
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Single - 4" Manifold-Back System - Ultra Flo™ Welded Muffler
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1994-1988 Ford F-250 7.3 Liter V8 - Naturally Aspirated, 133.0", 155.0" Wheelbase; 1994-1991 Ford F-350 7.3 Liter V8 - Cab & Chassis, Naturally Aspirated, 137.0", 168.4" Wheelbase, Manifold Back System; 1994-1988 Ford F-350 7.3 Liter V8 - Naturally Aspirated, 133.0", 155.0", 168.4" Wheelbase, Manifold Back System