Flowmaster 50 Series Heavy Duty Muffler - 3.5" Offset - Inlet / Opposite Side Offset Outlet 1341017 5" round bar for the

5" round bar for the bottom

25 in Diameter Hole

They are both forged from aerospace alloy and heat-treated prior to thread rolling and machining

Fuel injected engines: METHANOL up to 1

a one-size-fits-all rear fenderwell is not feasible

Flowmaster 50 Series Heavy Duty Muffler - 3.5" Offset - Inlet / Opposite Side Offset Outlet 1341017 5" round bar for theDesigned primarily for today's heavy duty gas and diesel trucks, this muffler will deliver improved performance, throttle response and mileage. Featuring a deeper, moderate tone with minimal resonance, it is ideal for trucks with modified engines. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: Durable Fully Welded 16 Gauge Aluminized Steel 3 Year Limited Warranty Moderate to Aggressive Exterior Exhaust