8042441 The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability. Features: Excellent Street/Strip and Off Road application Noticeable Interior Resonance Aggressive Sound Exterior Exhaust Tone Durable fully welded 409SS stainless steel 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) 4 Body Length (in) 13 Body Width (in) 9.75 Brand Flowmaster Color Black Emission Code 5 Finish Paint Fitment Universal Inlet Connection Type Pipe Connection Inlet Diameter (in) 2.25 Inlet Position Offset Material 409 Stainless Steel Mount Type Uses New Hangers (Not Included) Muffler Series Original 40 Series Muffler Type Chambered Outlet Connection Type Pipe Connection Outlet Diameter (in) 2.25 Outlet Position Center Overall Length (in) 19 Product Type Street Mufflers Reversible No Shape Oval Sound Level Aggressive Sound Type of Muffler Chambered Vehicle Type Classic Muscle Car Late Model Muscle Car Street Rod Street/Strip Truck/SUV UPC 700042022533 California Proposition 65 Chemical Name Chromium (hexavalent compounds) Nickel (Metallic) California Proposition 65 Required Yes Part Number 8042441