Flowmaster 40 Series Delta Flow Muffler - 2.5" Offset - Inlet / 2.5" Opposite Side Offset Outlet Tire Pressure Gauge consistent stagger measurements every time

consistent stagger measurements every time

while maintaining an exceptional street ride

F-350 1997-1985

550 in Dual Spring

Raised Ford Racing Logo

Flowmaster 40 Series Delta Flow Muffler - 2.5" Offset - Inlet / 2.5" Opposite Side Offset Outlet Tire Pressure Gauge consistent stagger measurements every timeThis two chamber design incorporates Flowmaster's patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. 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 Mild to Moderate Exterior