Skip to product information
Flowmaster 2.25IN(O)/OUT(O) 40 Series Muffler
$101.95
Sale price
$101.95
Regular price
$114.95
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.
- Excellent street/strip and off road application
- Durable fully-welded 16 gauge aluminized steel
- Aggressive sound exterior exhaust tone
- Noticeable interior resonance
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 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 |
| 1975-1980,1982,1984-1986 | Chevrolet | C10 Suburban | Scottsdale |
| 1975-1980,1982-1986 | Chevrolet | C10 Suburban | Silverado |
| 1969-1980 | Chevrolet | Camaro | Base |
| 1979-1981 | Chevrolet | Camaro | Berlinetta |
| 2010-2013 | Chevrolet | Camaro | LS |
| 1973-1978,2010-2013 | Chevrolet | Camaro | LT |
| 1976-1978 | Chevrolet | Camaro | LT Rally Sport |
| 1976-1980 | Chevrolet | Camaro | Rally Sport |
| 1967,1969-1973,1975 | Chevrolet | Camaro | RS |
| 1981 | Chevrolet | Camaro | Sport |
| 1967-1972 | Chevrolet | Camaro | SS |
| 1970-1974,1977-1981 | Chevrolet | Camaro | Z28 |
| 1966-1972 | Chevrolet | Caprice | Base |
| 1973,1994-1996 | 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 |
| 1975-1980,1982,1984-1986 | Chevrolet | K10 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1983,1985-1986 | 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 |
| 2005-2007,2011-2013 | Chrysler | 300 | Base |
| 2005-2013 | Chrysler | 300 | C |
| 2012-2013 | Chrysler | 300 | C Luxury |
| 2005-2012 | Chrysler | 300 | Limited |
| 2008-2009 | Chrysler | 300 | LX |
| 2010,2012-2013 | Chrysler | 300 | S |
| 2009 | Chrysler | 300 | Signature Series |
| 2005-2010 | 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 |
| 1987-1992,1994-1996 | 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 |
| 1978-1979,1985-1986 | Oldsmobile | Cutlass Salon | 442 |
| 1978-1980,1985-1987 | 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 |
| 1967-1981,1993-2002 | 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 |