854040-10 The Delta Force 40 series race mufflers utilize Flowmaster's Delta Flow technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing applications where mufflers are required with a substantial decibel reduction over open headers. Features: Race proven Delta Flow technology No internal packing to blowout Good decibel reduction over open headers Durable fully welded 16 gauge stainless steel - two chamber race muffler About Flowmaster Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound. SPECS Automotive Item Grade High Performance Body Height (in) 5 Body Length (in) 13 Body Width (in) 10 Brand Flowmaster Color Black Emission Code 5 Finish Paint Fitment Universal Inlet Connection Type Pipe Connection Inlet Diameter (in) 4 Inlet Position Center Material 409 Stainless Steel Mount Type Uses New Hangers (Not Included) Muffler Series 40 Series Delta Force Muffler Type Chambered Outlet Connection Type Pipe Connection Outlet Diameter (in) 4 Outlet Position Center Overall Length (in) 18 Product Type Race Products Reversible No Shape Oval Sound Level Aggressive Sound Type of Muffler Chambered Vehicle Type Classic Muscle Car Late Model Muscle Car Race UPC 700042025619 California Proposition 65 Chemical Name Chromium (hexavalent compounds) Nickel (Metallic) California Proposition 65 Required Yes Part Number 854040-10 EMISSIONS 5 This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations. TECH RESOURCES Universal Race Muffler - Not a direct fit. Some adaptation required.