Flowmaster 40 Series Delta Flow Muffler - 2" Offset - Inlet / Opposite Side Offset Outlet H777C08M 2008-2018 Freightliner XB Straight Rail

2008-2018 Freightliner XB Straight Rail

Aluminum stand simplifies carb maintenance and will hold carb off of workbench surface

800" long Hi-Tech 3/8" diameter pushrods handle the requirements of today's all-out race engines

All Performer and Performer RPM B/B Chevy heads have spark plugs relocated closer to center of bore which will interfere with high-dome pistons for open chamber heads

Reinforced Air Bellows For Long Lasting Strength

Flowmaster 40 Series Delta Flow Muffler - 2" Offset - Inlet / Opposite Side Offset Outlet H777C08M 2008-2018 Freightliner XB Straight RailThis 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 Aggressive To Moderate