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  • The Flowmaster Super 40 Muffler bellows the deepest tone available for high-horsepower street cars
  • Quality Flowmaster muffler crafting uses aluminized steel for corrosion resistance and precise mig welds for maximum durability
  • The Flowmaster Super 40 Muffler keeps the tone outside with advanced Gen II Delta Flow chamber deflector technology
  • Original two-chamber design maximizes horsepower and torque
  • The Super 40 Muffler boasts the smooth look of Flowmaster's original black case
  • Casing embossed with the Flowmaster name
  • Your Flowmaster Super 40 Muffler carries a 3-year warranty

When sound and power matter most for your high-horsepower ride, pick the muffler that built Flowmaster's legendary reputation and unique tone. The Flowmaster Super 40 Muffler runs deeper and more powerful than any other street muffler out there—even Flowmaster's famed American Thunder 40 Series.

What's even more amazing about the Super 40 is the balance of deep Flowmaster tone and reduced interior resonance. Thanks to exclusive Gen II Delta Flow technology, the Flowmaster Super 40 Muffler employs precision deflectors in the 2-chamber design that keep powerful sound mostly outside.

Also ideal for dual exhaust cruisers, the Flowmaster Super 40 Muffler boasts the quality construction you'd expect from Flowmaster. Each Flowmaster Muffler is built with 16-gauge aluminized steel for corrosion resistance and fully mig-welded for maximum durability. Best yet, your Flowmaster Super 40 Muffler comes with their original black case and boasts a 3-year warranty.

Flowmaster Super 40 Mufflers come in a variety of inlet/outlet configurations and sizes, shown above. Select the inlet/outlet diameter you need from the drop down at right.

 



Featured Product
Super 40 Series Car Specific Muffler
When sound and power matter most for your high-horsepower ride, pick the muffler that built Flowmaster's legendary reputation and unique tone. The Flowmaster Super 40 Muffler runs deeper and more powerful than any other street muffler out there—even Flowmaster's famed American Thunder 40 Series. Wh
From: $84.14
 
Part NoApplication
952445Dodge Daytona (1990-1993)
952445Ford F-150 (1984-1996)
952445Ford F-250 (1984-1996)
952445Ford F-350 (1984-1996)
952445Ford Probe (1989-1996)
952445Toyota Tacoma (1998-2004)
952446Acura Integra (1994-1999)
952446Buick Regal (1978-1987)
952446Buick Skylark (1973-1977)
952446Chevrolet Bel Air (1955-1957)
952446Chevrolet Bel Air (1955-1957)
952446Chevrolet Beretta (1987-1996)
952446Chevrolet C10 (1981-1986)
952446Chevrolet C10 Suburban (1981-1986)
952446Chevrolet C20 (1981-1986)
952446Chevrolet C20 Suburban (1981-1986)
952446Chevrolet C30 (1981-1986)
952446Chevrolet Camaro (1967-1969)
952446Chevrolet Caprice (1971-1976)
952446Chevrolet Cavalier (1984-1996)
952446Chevrolet Chevelle (1973)
952446Chevrolet Chevy II (1962-1968)
952446Chevrolet Corsica (1987-1996)
952446Chevrolet Corvette (1963-1982)
952446Chevrolet El Camino (1973-1977)
952446Chevrolet El Camino (1978-1987)
952446Chevrolet Impala (1971-1976)
952446Chevrolet K10 (1981-1986)
952446Chevrolet K10 Suburban (1981-1986)
952446Chevrolet K20 (1981-1986)
952446Chevrolet K20 Suburban (1981-1986)
952446Chevrolet K30 (1981-1986)
952446Chevrolet Monte Carlo (1973-1977)
952446Chevrolet Monte Carlo (1978-1987)
952446Chevrolet Monte Carlo (1995-2004)
952446Chevrolet S10 (1983-1998)
952446Chevrolet S10 Blazer (1983-1994)
952446Chrysler PT Cruiser (2001-2004)
952446Dodge Challenger (1970-1974)
952446Dodge Charger (1966-1974)
952446Dodge Coronet (1962-1974)
952446Dodge Dart (1964-1974)
952446Dodge Daytona (1984-1993)
952446Ford Crown Victoria (1998-2000)
952446Ford Escort (1991-1996)
952446Ford Explorer (1991-1998)
952446Ford F-100 (1975-1983)
952446Ford F-250 (1975-1983)
952446Ford F-350 (1975-1983)
952446Ford Fairlane (1960-1970)
952446Ford Focus (2000-2002)
952446Ford Galaxie (1960-1967)
952446Ford Mustang (1964-1973)
952446Ford Ranger (1983-1998)
952446Ford Torino (1968-1974)
952446GMC S15 (1983-1990)
952446GMC S15 Jimmy (1983-1991)
952446Honda Civic (1999)
952446Honda Prelude (1988-1995)
952446Jeep CJ5 (1979-1983)
952446Jeep CJ7 (1979-1986)
952446Mercury Comet (1964-1973)
952446Mercury Cougar (1967-1973)
952446Nissan Pickup (1995-1997)
952446Oldsmobile Cutlass (1973-1977)
952446Plymouth Barracuda (1964-1969)
952446Plymouth Belvedere (1962-1970)
952446Plymouth Cuda (1970-1974)
952446Plymouth Duster (1970-1974)
952446Plymouth GTX (1967-1971)
952446Plymouth Neon (2000-2001)
952446Plymouth Roadrunner (1968-1974)
952446Plymouth Satellite (1965-1974)
952446Plymouth Valiant (1964-1969)
952446Plymouth Valiant (1970-1974)
952446Pontiac Firebird (1967-1969)
952446Pontiac Grand Am (1973-1977)
952446Pontiac Grand Am (1985-1996)
952446Pontiac Grand Prix (1978-1987)
952446Pontiac Grand Prix (1997-2003)
952446Pontiac GTO (1973-1977)
952446Pontiac LeMans (1973-1977)
952446Subaru Impreza (2001-2004)
952446Toyota Pickup (1986-1995)
952446Toyota Supra (1993-1996)
952447Chevrolet Bel Air (1958-1964)
952447Chevrolet Bel Air (1958-1964)
952447Chevrolet Corvette (1955-1962)
952447Chevrolet Impala (1959-1964)
952447Ford Bronco (1978-1996)
952447Ford Escort (1983-1990)
952447Jeep Cherokee (1984-1992)
952447Jeep Grand Cherokee (1993-1998)
952447Jeep Wrangler (1987-1997)
952447Volkswagen Golf (1985-1997)
952447Volkswagen Jetta (1985-1997)
952448Acura Integra (1990-1993)
952448Buick GS (1970-1972)
952448Buick Skylark (1964-1972)
952448Buick Special (1964-1969)
952448Chevrolet Blazer (1973-1986)
952448Chevrolet Blazer (1992-1994)
952448Chevrolet C10 Pickup (1973-1974)
952448Chevrolet C10 Suburban (1973-1980)
952448Chevrolet C20 Pickup (1973-1974)
952448Chevrolet C20 Suburban (1973-1980)
952448Chevrolet C30 Pickup (1973-1974)
952448Chevrolet Camaro (1982-1998)
952448Chevrolet Caprice (1966-1970)
952448Chevrolet Chevelle (1964-1972)
952448Chevrolet El Camino (1964-1972)
952448Chevrolet El Camino (1978-1987)
952448Chevrolet Impala (1965-1970)
952448Chevrolet Impala (1994-1996)
952448Chevrolet K10 Pickup (1973-1974)
952448Chevrolet K10 Suburban (1973-1980)
952448Chevrolet K20 Pickup (1973-1974)
952448Chevrolet K20 Suburban (1973-1980)
952448Chevrolet K30 Pickup (1973-1974)
952448Chevrolet Malibu (1978-1987)
952448Chevrolet Monte Carlo (1970-1972)
952448Chevrolet Monte Carlo (1978-1987)
952448Chevrolet Monte Carlo (1978-1987)
952448Ford Crown Victoria (1992-1997)
952448Ford Mustang (1979-2004)
952448Ford Thunderbird (1983-1988)
952448GMC Jimmy (1973-1986)
952448GMC Jimmy (1992-1994)
952448Honda Accord (1990-1997)
952448Honda Civic (1986-1991)
952448Honda CRX (1988-1991)
952448Lincoln Mark VII (1984-1992)
952448Mazda B2200 (1985-1993)
952448Mazda B2300 (1994-1997)
952448Mazda B3000 (1994-1997)
952448Mercury Cougar (1983-1999)
952448Oldsmobile Cutlass (1964-1972)
952448Oldsmobile Cutlass (1978-1988)
952448Pontiac Firebird (1982-1998)
952448Pontiac GTO (1964-1972)
952448Pontiac LeMans (1964-1972)
952545Ford F-150 (1984-1996)
952545Ford F-250 (1984-1996)
952545Ford F-350 (1984-1996)
952546Buick Regal (1978-1987)
952546Buick Skylark (1973-1977)
952546Chevrolet Bel Air (1955-1957)
952546Chevrolet Bel Air (1955-1957)
952546Chevrolet C10 (1981-1986)
952546Chevrolet C10 Suburban (1981-1986)
952546Chevrolet C1500 (1988-1992)
952546Chevrolet C20 (1981-1986)
952546Chevrolet C20 Suburban (1981-1986)
952546Chevrolet C2500 (1988-1992)
952546Chevrolet C30 (1981-1986)
952546Chevrolet C3500 (1988-1992)
952546Chevrolet Camaro (1967-1969)
952546Chevrolet Camaro (1975-1981)
952546Chevrolet Caprice (1971-1976)
952546Chevrolet Cavalier (1984-1996)
952546Chevrolet Chevelle (1973)
952546Chevrolet Chevy II (1962-1968)
952546Chevrolet Corvette (1963-1982)
952546Chevrolet El Camino (1973-1977)
952546Chevrolet El Camino (1978-1987)
952546Chevrolet Impala (1971-1976)
952546Chevrolet K10 (1981-1986)
952546Chevrolet K10 Suburban (1981-1986)
952546Chevrolet K1500 (1988-1992)
952546Chevrolet K20 (1981-1986)
952546Chevrolet K20 Suburban (1981-1986)
952546Chevrolet K2500 (1988-1992)
952546Chevrolet K30 (1981-1986)
952546Chevrolet K3500 (1988-1992)
952546Chevrolet Monte Carlo (1973-1977)
952546Chevrolet Monte Carlo (1978-1987)
952546Chrysler PT Cruiser (2001-2004)
952546Dodge Challenger (1970-1974)
952546Dodge Charger (1966-1974)
952546Dodge Coronet (1962-1974)
952546Dodge Dakota (1987-1991)
952546Dodge Dart (1962-1974)
952546Dodge Daytona (1984-1993)
952546Dodge Neon (1995-2001)
952546Ford Crown Victoria (1998-2000)
952546Ford Escort (1991-1996)
952546Ford F-100 (1975-1983)
952546Ford F-150 (1997-2004)
952546Ford F-250 (1975-1983)
952546Ford F-250 (1997-1999)
952546Ford F-350 (1975-1983)
952546Ford F-350 (1997)
952546Ford Fairlane (1960-1970)
952546Ford Galaxie (1960-1967)
952546Ford Mustang (1964-1973)
952546Ford Torino (1968-1974)
952546Jeep CJ5 (1979-1983)
952546Jeep CJ7 (1979-1986)
952546Mercury Comet (1964-1973)
952546Mercury Cougar (1967-1973)
952546Oldsmobile Cutlass (1973-1977)
952546Plymouth Barracuda (1964-1969)
952546Plymouth Belvedere (1962-1970)
952546Plymouth Cuda (1970-1974)
952546Plymouth Duster (1970-1974)
952546Plymouth GTX (1967-1971)
952546Plymouth Neon (2000-2001)
952546Plymouth Roadrunner (1968-1974)
952546Plymouth Satellite (1965-1974)
952546Plymouth Valiant (1964-1974)
952546Pontiac Firebird (1967-1969)
952546Pontiac Grand Am (1973-1977)
952546Pontiac Grand Am (1985-1996)
952546Pontiac Grand Prix (1978-1987)
952546Pontiac Grand Prix (1997-2003)
952546Pontiac GTO (1973-1977)
952546Pontiac LeMans (1973-1977)
952546Toyota Supra (1993-1996)
952546Toyota Tundra (2000-2003)
952547Chevrolet Bel Air (1958-1964)
952547Chevrolet Bel Air (1958-1964)
952547Chevrolet Blazer (1987-1991)
952547Chevrolet Corvette (1955-1962)
952547Chevrolet Impala (1959-1964)
952547Dodge Dakota (1994-1999)
952547Dodge Durango (1998-2003)
952547Dodge Ram 1500 (1994-1999)
952547Dodge Ram 2500 (1994-1999)
952547Ford Escort (1983-1990)
952547GMC Jimmy (1987-1991)
952547Jeep Cherokee (1987-1992)
952547Jeep Grand Cherokee (1993-1998)
952548Buick GS (1970-1972)
952548Buick Skylark (1964-1972)
952548Buick Special (1964-1969)
952548Chevrolet Blazer (1973-1986)
952548Chevrolet Blazer (1992-1994)
952548Chevrolet C10 (1975-1980)
952548Chevrolet C10 Suburban (1973-1980)
952548Chevrolet C1500 (1993-1995)
952548Chevrolet C20 (1975-1980)
952548Chevrolet C20 Suburban (1973-1980)
952548Chevrolet C30 (1975-1980)
952548Chevrolet Camaro (1982-1998)
952548Chevrolet Caprice (1966-1970)
952548Chevrolet Chevelle (1964-1972)
952548Chevrolet Chevy II (1962-1968)
952548Chevrolet Corvette (1963-1972)
952548Chevrolet El Camino (1964-1972)
952548Chevrolet El Camino (1978-1987)
952548Chevrolet Impala (1965-1970)
952548Chevrolet Impala (1994-1996)
952548Chevrolet K10 (1975-1980)
952548Chevrolet K10 Suburban (1973-1980)
952548Chevrolet K1500 (1993-1995)
952548Chevrolet K20 (1975-1980)
952548Chevrolet K20 Suburban (1973-1980)
952548Chevrolet K30 (1977-1980)
952548Chevrolet Monte Carlo (1970-1972)
952548Chevrolet Monte Carlo (1978-1987)
952548Chevrolet Monte Carlo (1978-1987)
952548Dodge D100 (1980-1989)
952548Dodge D250 (1981-1992)
952548Dodge D350 (1981-1992)
952548Ford Crown Victoria (1992-1997)
952548Ford Mustang (1979-2004)
952548Ford Thunderbird (1983-1988)
952548Lincoln Mark VII (1984-1992)
952548Mercury Cougar (1983-1999)
952548Oldsmobile Cutlass (1964-1972)
952548Oldsmobile Cutlass (1978-1988)
952548Pontiac Firebird (1982-1998)
952548Pontiac GTO (1964-1972)
952548Pontiac LeMans (1964-1972)
952549Ford Mustang (1999)
952549Mercury Cougar (1999)
953045Ford F-150 (1984-1996)
953045Ford F-250 (1984-1996)
953045Ford F-350 (1984-1996)
9530452Chevrolet C10 (1981-1986)
9530452Chevrolet C10 Suburban (1981-1986)
9530452Chevrolet C20 (1981-1986)
9530452Chevrolet C20 Suburban (1981-1986)
9530452Chevrolet C30 (1981-1986)
9530452Chevrolet K10 (1981-1986)
9530452Chevrolet K10 Suburban (1981-1986)
9530452Chevrolet K20 (1981-1986)
9530452Chevrolet K20 Suburban (1981-1986)
9530452Chevrolet K30 (1981-1986)
9530452Dodge Ram 1500 (2005)
953046Buick Regal (1978-1987)
953046Buick Skylark (1973-1977)
953046Chevrolet Bel Air (1955-1957)
953046Chevrolet Bel Air (1955-1957)
953046Chevrolet C10 (1981-1986)
953046Chevrolet C10 Suburban (1981-1986)
953046Chevrolet C1500 (1988-1992)
953046Chevrolet C20 (1981-1986)
953046Chevrolet C20 Suburban (1981-1986)
953046Chevrolet C2500 (1988-1992)
953046Chevrolet C30 (1981-1986)
953046Chevrolet C3500 (1988-1992)
953046Chevrolet Camaro (1967-1969)
953046Chevrolet Camaro (1975-1981)
953046Chevrolet Caprice (1971-1976)
953046Chevrolet Chevelle (1973)
953046Chevrolet Chevy II (1962-1968)
953046Chevrolet Corvette (1963-1982)
953046Chevrolet El Camino (1973-1977)
953046Chevrolet El Camino (1978-1987)
953046Chevrolet Impala (1971-1976)
953046Chevrolet K10 (1981-1986)
953046Chevrolet K10 Suburban (1981-1986)
953046Chevrolet K1500 (1988-1992)
953046Chevrolet K20 (1981-1986)
953046Chevrolet K20 Suburban (1981-1986)
953046Chevrolet K2500 (1988-1992)
953046Chevrolet K30 (1981-1986)
953046Chevrolet K3500 (1988-1992)
953046Chevrolet Monte Carlo (1973-1977)
953046Chevrolet Monte Carlo (1978-1987)
953046Chevrolet Tahoe (1999-2004)
953046Chrysler PT Cruiser (2001-2004)
953046Dodge Challenger (1970-1974)
953046Dodge Charger (1966-1974)
953046Dodge Coronet (1962-1974)
953046Dodge Dart (1962-1974)
953046Dodge Daytona (1984-1993)
953046Ford Escort (1991-1996)
953046Ford F-100 (1975-1983)
953046Ford F-150 (1997-2004)
953046Ford F-250 (1975-1983)
953046Ford F-250 (1997-1999)
953046Ford F-350 (1975-1983)
953046Ford F-350 (1997)
953046Ford Fairlane (1960-1970)
953046Ford Galaxie (1960-1967)
953046Ford Mustang (1964-1973)
953046Ford Torino (1968-1974)
953046GMC Yukon (1999-2004)
953046Mercury Comet (1964-1973)
953046Mercury Cougar (1967-1973)
953046Oldsmobile Cutlass (1973-1977)
953046Plymouth Barracuda (1964-1969)
953046Plymouth Belvedere (1962-1970)
953046Plymouth Cuda (1970-1974)
953046Plymouth Duster (1970-1974)
953046Plymouth GTX (1967-1971)
953046Plymouth Neon (2000-2001)
953046Plymouth Roadrunner (1968-1974)
953046Plymouth Satellite (1965-1974)
953046Plymouth Valiant (1964-1974)
953046Pontiac Firebird (1967-1969)
953046Pontiac Grand Am (1973-1977)
953046Pontiac Grand Am (1985-1996)
953046Pontiac Grand Prix (1978-1987)
953046Pontiac GTO (1973-1977)
953046Pontiac LeMans (1973-1977)
953047Chevrolet Bel Air (1958-1964)
953047Chevrolet Bel Air (1958-1964)
953047Chevrolet Blazer (1987-1991)
953047Chevrolet Corvette (1955-1962)
953047Chevrolet Impala (1959-1964)
953047Chevrolet Silverado 1500 (1999-2004)
953047Dodge D250 (1992-1993)
953047Dodge D350 (1992-1993)
953047Dodge Dakota (1992-1993)
953047Dodge Dakota (1997-1999)
953047Dodge Ram 1500 (1994-1999)
953047Dodge Ram 2500 (1994-1999)
953047GMC Jimmy (1987-1991)
953047GMC Sierra 1500 (1999-2004)
953048Buick GS (1970-1972)
953048Buick Skylark (1964-1977)
953048Buick Special (1964-1969)
953048Chevrolet Blazer (1973-1986)
953048Chevrolet Blazer (1992-1994)
953048Chevrolet C10 (1975-1980)
953048Chevrolet C10 Suburban (1973-1980)
953048Chevrolet C1500 (1993-1995)
953048Chevrolet C20 (1975-1980)
953048Chevrolet C20 Suburban (1973-1980)
953048Chevrolet C30 (1975-1980)
953048Chevrolet Camaro (1982-1998)
953048Chevrolet Caprice (1966-1970)
953048Chevrolet Chevelle (1964-1972)
953048Chevrolet El Camino (1964-1972)
953048Chevrolet El Camino (1978-1987)
953048Chevrolet Impala (1965-1970)
953048Chevrolet Impala (1994-1996)
953048Chevrolet K10 (1975-1980)
953048Chevrolet K10 Suburban (1973-1980)
953048Chevrolet K1500 (1993-1995)
953048Chevrolet K20 (1975-1980)
953048Chevrolet K20 Suburban (1973-1980)
953048Chevrolet K30 (1977-1980)
953048Chevrolet Malibu (1978-1987)
953048Chevrolet Monte Carlo (1970-1972)
953048Chevrolet Monte Carlo (1978-1987)
953048Chevrolet Monte Carlo (1978-1987)
953048Chevrolet Tahoe (1995)
953048Dodge D100 (1980-1989)
953048Dodge D250 (1981-1992)
953048Dodge D350 (1981-1992)
953048Ford Mustang (1979-2004)
953048Ford Thunderbird (1983-1988)
953048GMC Jimmy (1973-1986)
953048GMC Jimmy (1992-1994)
953048GMC Yukon (1995)
953048Lincoln Mark VII (1984-1992)
953048Mercury Cougar (1983-1999)
953048Oldsmobile Cutlass (1964-1972)
953048Oldsmobile Cutlass (1978-1988)
953048Pontiac Firebird (1982-1998)
953048Pontiac GTO (1964-1972)
953048Pontiac LeMans (1964-1972)
 
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