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Get it between 2025-08-19 to 2025-08-26. Additional 3 business days for provincial shipping.
Brand New Flowmaster 40 Series Chambered Muffler, Oval, Black Finish, Dual 2.5" Inlet & Outlet (Holley Part #425404)
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you are looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
Features: No internal packing to blowout | Excellent Street/Strip and Off Road application | Aggressive Sound Exterior Exhaust Tone | Durable fully welded 16 gauge aluminized steel
NOTE: Universal Muffler - Some adaptation may be required.
Brand New Flowmaster 40 Series Chambered Muffler, Oval, Black Finish, Dual 2.5" Inlet & Outlet (Holley Part #425404) The Original 40 series muffler delivers an aggressive exterior and interior tone. If you are looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. NOTE: Universal Muffler - Some adaptation may be required. Features: No internal packing to blowout Excellent Street/Strip and Off Road application Aggressive Sound Exterior Exhaust Tone Durable fully welded 16 gauge aluminized steel Specs: Automotive Item Grade: High Performance Body Height: 4" Body Length: 13" Body Width: 9.5" Color/Finish: Black Paint Fitment: Universal Inlet Connection Type: Pipe Connection Inlet Diameter: 2.5" Inlet Position: Dual Material: Aluminized Steel Muffler Series: Original 40 Series Muffler Type: Chambered Outlet Connection Type: Pipe Connection Outlet Diameter: 2.5" Outlet Position: Dual Overall Length: 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