Flowmaster 40 Series Delta Flow Muffler - 2.5" Center Inlet / 2.5" Dual Outlet-Aggressive/Moderate Sound 8706 Furnace Brazed Cores - Eliminates

Furnace Brazed Cores - Eliminates sealing problems and need for epoxy on tanks

The inset pant pockets offer storage for personal items off-track

Steel crankshaft hub for use with ATI Dampers

This 230cc cylinder head is ideal for normally aspirated 396-427ci and for a wild 346ci the 230 is a good choice

Flowmaster 40 Series Delta Flow Muffler - 2.5" Center Inlet / 2.5" Dual Outlet-Aggressive/Moderate Sound 8706 Furnace Brazed Cores - EliminatesThis 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