Flowmaster 40 Series Chambered Muffler BDXN 42443 `

Call us today to order your Flowmaster 40 Series Chambered Muffler!

Part # 42443

• Durable fully-welded 16 gauge aluminized steel
• Aggressive sound exterior exhaust tone
• Noticeable interior resonance
• Excellent street/strip and off road application

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 for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Vehicle information below is not a guaranty of fitment. If you have fitment concerns, please call prior to ordering.

1975-1977 Buick Skylark Base; 1976-1977 Buick Skylark S; 1975-1977 Buick Skylark SR; 1973-1974 Chevrolet C10 Suburban Base; 1981-1986 Chevrolet C10 Suburban Custom; 1975-1980 Chevrolet C10 Suburban Custom Deluxe; 1981 Chevrolet C10 Suburban Deluxe; 1975-1986 Chevrolet C10 Suburban Scottsdale; 1975-1986 Chevrolet C10 Suburban Silverado; 1969-1980 Chevrolet Camaro Base; 1979-1981 Chevrolet Camaro Berlinetta; 2010-2013 Chevrolet Camaro LS; 1973-2013 Chevrolet Camaro LT; 1976-1978 Chevrolet Camaro LT Rally Sport; 1976-1980 Chevrolet Camaro Rally Sport; 1967-1975 Chevrolet Camaro RS; 1981 Chevrolet Camaro Sport; 1967-1972 Chevrolet Camaro SS; 1970-1981 Chevrolet Camaro Z28; 1966-1972 Chevrolet Caprice Base; 1973-1996 Chevrolet Caprice Classic; 1994 Chevrolet Caprice Classic LS; 1973 Chevrolet Caprice Estate; 1994-1996 Chevrolet Impala SS; 1973-1974 Chevrolet K10 Suburban Base; 1981-1986 Chevrolet K10 Suburban Custom; 1975-1980 Chevrolet K10 Suburban Custom Deluxe; 1981 Chevrolet K10 Suburban Deluxe; 1975-1986 Chevrolet K10 Suburban Scottsdale; 1975-1986 Chevrolet K10 Suburban Silverado; 1976 Chevrolet K5 Blazer Base; 1976-1978 Chevrolet K5 Blazer Cheyenne; 1977-1978 Chevrolet K5 Blazer Custom Deluxe; 1978 Chevrolet K5 Blazer Silverado; 2005-2013 Chrysler 300 Base; 2005-2013 Chrysler 300 C; 2006 Chrysler 300 C Heritage; 2007 Chrysler 300 C Heritage Edition II; 2007-2013 Chrysler 300 C Lujo; 2012-2013 Chrysler 300 C Luxury; 2005-2012 Chrysler 300 Limited; 2008-2009 Chrysler 300 LX; 2010-2013 Chrysler 300 S; 2009 Chrysler 300 Signature Series; 2005-2013 Chrysler 300 Touring; 2009-2014 Dodge Challenger R/T; 2012 Dodge Challenger R/T Classic; 2009-2011 Dodge Challenger SE; 2012-2013 Dodge Challenger SXT; 2012 Dodge Challenger SXT Plus; 2006-2007 Dodge Charger Base; 2010 Dodge Charger R/T; 2006-2010 Dodge Charger SE; 2006-2010 Dodge Charger SXT; 2005-2008 Dodge Magnum SE; 2005-2008 Dodge Magnum SXT; 2005 Dodge Magnum SXT Special Edition; 1987-1993 Ford Bronco Custom; 1987-1996 Ford Bronco Eddie Bauer; 1990-1996 Ford Bronco XL; 1987-1996 Ford Bronco XLT; 1993 Ford Bronco XLT Lariat; 1992 Ford Bronco XLT Nite; 1995-1996 Ford Bronco XLT Sport; 2005-2013 Ford Mustang Base; 1986-2004 Ford Mustang GT; 2001 Ford Mustang GT Bullitt; 1986-1993 Ford Mustang LX; 1986 Ford Mustang SVO; 2004 Ford Mustang SVT Cobra; 2003 Ford Mustang SVT Cobra 10th Anniversary; 1975-1978 GMC C15 Suburban Base; 1975-1978 GMC C15 Suburban High Sierra; 1975-1978 GMC C15 Suburban Sierra Classic; 1975-1978 GMC C15 Suburban Sierra Grande; 1973-1974 GMC C15/C1500 Suburban Base; 1979-1986 GMC C1500 Suburban Base; 1979-1986 GMC C1500 Suburban High Sierra; 1979-1986 GMC C1500 Suburban Sierra Classic; 1979-1982 GMC C1500 Suburban Sierra Grande; 1976-1978 GMC Jimmy Base; 1976-1978 GMC Jimmy High Sierra; 1976-1978 GMC Jimmy Sierra Classic; 1976-1978 GMC Jimmy Sierra Grande; 1978 GMC Jimmy Street Coupe; 1975-1978 GMC K15 Suburban Base; 1975-1978 GMC K15 Suburban High Sierra; 1975-1978 GMC K15 Suburban Sierra Classic; 1975-1978 GMC K15 Suburban Sierra Grande; 1973-1974 GMC K15/K1500 Suburban Base; 1979-1986 GMC K1500 Suburban Base; 1979-1986 GMC K1500 Suburban High Sierra; 1979-1986 GMC K1500 Suburban Sierra Classic; 1979-1982 GMC K1500 Suburban Sierra Grande; 1980 Oldsmobile Cutlass Base; 1980-1981 Oldsmobile Cutlass Brougham; 1980-1981 Oldsmobile Cutlass LS; 1978-1984 Oldsmobile Cutlass Calais Base; 1983-1984 Oldsmobile Cutlass Calais Hurst; 1980-1983 Oldsmobile Cutlass Cruiser Base; 1980-1981 Oldsmobile Cutlass Cruiser Brougham; 1978-1986 Oldsmobile Cutlass Salon 442; 1978-1987 Oldsmobile Cutlass Salon Base; 1978-1980 Oldsmobile Cutlass Salon Brougham; 1979 Oldsmobile Cutlass Salon Hurst; 1987 Oldsmobile Cutlass Supreme 442; 1978-1987 Oldsmobile Cutlass Supreme Base; 1978-1987 Oldsmobile Cutlass Supreme Brougham; 1988 Oldsmobile Cutlass Supreme Classic; 1988 Oldsmobile Cutlass Supreme Classic Brougham; 1981-1985 Oldsmobile Cutlass Supreme LS; 1967 Pontiac Firebird 326; 1968-1969 Pontiac Firebird 350; 1969 Pontiac Firebird 350 HO; 1967-1969 Pontiac Firebird 400; 1967-2002 Pontiac Firebird Base; 1970-1981 Pontiac Firebird Esprit; 1970-1981 Pontiac Firebird Formula; 1967-1968 Pontiac Firebird HO; 1967-1969 Pontiac Firebird Sprint; 1969-1981 Pontiac Firebird Trans Am

We are an authorized retailer for all Flowmaster products. The standard manufacturer warranty applies. If you ever have manufacturer warranty concerns or questions on products you purchased from us, we can help! We are a family owned and operated company that values all of our customers. We are here to assist with all future warranty concerns!