Dynatech Split-Flow Oval Race Muffler - 3-1/2" In, Out - 14" Length x 7" Width x 4-1/2" Height Mechanical Water Pressure Gauge 1955-1959 GMC PM150

1955-1959 GMC PM150

Billet Specialties heat and AC bulkheads are engineered to work with 5/8 heater hose and one -6 and one -10 A/C line

1997-2009 Chevrolet Express 3500

Ratchet Tool Not Included

OUTER SHELL Coated in silicone to insulate and hold up under extreme conditions

Dynatech Split-Flow Oval Race Muffler - 3-1/2" In, Out - 14" Length x 7" Width x 4-1/2" Height Mechanical Water Pressure Gauge 1955-1959 GMC PM150Straight thru design for maximum flow. Dual pattern core for reduced sound levels. All aluminized materials and welded construction. Stainless steel sound absorbing material for no burnout. Lightweight design. Meets or exceeds dB requirements at most muffler required sanctioned events (14in. x 7in. W x 4 1 2in. H) The Split Flow racing muffler is the "hot topic" among racers, and for good reason. The straight thru design can handle big power. The