This two chamber design incorporates Flowmaster's Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound.
Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
- Durable fully welded 16 gauge aluminized steel
- Race proven Delta Flow technology
- Excellent Street/Strip and Off Road application
- No internal packing to blowout
Flowmaster 40 Series Delta Flow Chambered Muffler 40 Delta Flow 2.25 Offset In 2.25 Offset Out Aggressive Sound Flowmaster 942443
Specifications:
| Country of Origin | USA |
| Sold As | Kit |
| UPC | 700042015498 |
| Availability | Available |
| Universal | Yes |
| Inlet Location | Offset |
| Shape | Oval |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1965 | Chevrolet | Impala | SS | |
| 1966 | Chevrolet | Impala | SS | |
| 1967 | Chevrolet | Impala | SS | |
| 1967 | Pontiac | Firebird | 326 | |
| 1967 | Chevrolet | Camaro | RS | |
| 1967 | Pontiac | Firebird | HO | |
| 1968 | Pontiac | Firebird | HO | |
| 1967 | Pontiac | Firebird | Sprint | |
| 1968 | Pontiac | Firebird | Sprint | |
| 1969 | Pontiac | Firebird | Sprint | |
| 1967 | Chevrolet | Camaro | SS | |
| 1968 | Chevrolet | Camaro | SS | |
| 1969 | Chevrolet | Camaro | SS | |
| 1970 | Chevrolet | Camaro | SS | |
| 1971 | Chevrolet | Camaro | SS | |
| 1972 | Chevrolet | Camaro | SS | |
| 1967 | Pontiac | Firebird | 400 | |
| 1968 | Pontiac | Firebird | 400 | |
| 1969 | Pontiac | Firebird | 400 | |
| 1967 | Pontiac | Firebird | ||
| 1968 | Pontiac | Firebird | ||
| 1969 | Pontiac | Firebird | ||
| 1970 | Pontiac | Firebird | ||
| 1971 | Pontiac | Firebird | ||
| 1972 | Pontiac | Firebird | ||
| 1973 | Pontiac | Firebird | ||
| 1974 | Pontiac | Firebird | ||
| 1975 | Pontiac | Firebird | ||
| 1976 | Pontiac | Firebird | ||
| 1977 | Pontiac | Firebird | ||
| 1978 | Pontiac | Firebird | ||
| 1979 | Pontiac | Firebird | ||
| 1980 | Pontiac | Firebird | ||
| 1981 | Pontiac | Firebird | ||
| 1968 | Pontiac | Firebird | 350 | |
| 1969 | Pontiac | Firebird | 350 | |
| 1968 | Chevrolet | Impala | ||
| 1969 | Chevrolet | Impala | ||
| 1970 | Chevrolet | Impala | ||
| 1971 | Chevrolet | Impala | ||
| 1972 | Chevrolet | Impala | ||
| 1973 | Chevrolet | Impala | ||
| 1969 | Chevrolet | Camaro | ||
| 1970 | Chevrolet | Camaro | ||
| 1971 | Chevrolet | Camaro | ||
| 1972 | Chevrolet | Camaro | ||
| 1973 | Chevrolet | Camaro | ||
| 1974 | Chevrolet | Camaro | ||
| 1975 | Chevrolet | Camaro | ||
| 1976 | Chevrolet | Camaro | ||
| 1977 | Chevrolet | Camaro | ||
| 1978 | Chevrolet | Camaro | ||
| 1979 | Chevrolet | Camaro | ||
| 1980 | Chevrolet | Camaro | ||
| 1969 | Pontiac | Firebird | Trans Am | |
| 1970 | Pontiac | Firebird | Trans Am | |
| 1971 | Pontiac | Firebird | Trans Am | |
| 1972 | Pontiac | Firebird | Trans Am | |
| 1973 | Pontiac | Firebird | Trans Am | |
| 1974 | Pontiac | Firebird | Trans Am | |
| 1975 | Pontiac | Firebird | Trans Am | |
| 1976 | Pontiac | Firebird | Trans Am | |
| 1977 | Pontiac | Firebird | Trans Am | |
| 1978 | Pontiac | Firebird | Trans Am | |
| 1979 | Pontiac | Firebird | Trans Am | |
| 1980 | Pontiac | Firebird | Trans Am | |
| 1981 | Pontiac | Firebird | Trans Am | |
| 1969 | Chevrolet | Camaro | RS | |
| 1970 | Chevrolet | Camaro | RS | |
| 1971 | Chevrolet | Camaro | RS | |
| 1972 | Chevrolet | Camaro | RS | |
| 1973 | Chevrolet | Camaro | RS | |
| 1969 | Pontiac | Firebird | 350 HO | |
| 1970 | Chevrolet | Camaro | Z28 | |
| 1971 | Chevrolet | Camaro | Z28 | |
| 1972 | Chevrolet | Camaro | Z28 | |
| 1973 | Chevrolet | Camaro | Z28 | |
| 1974 | Chevrolet | Camaro | Z28 | |
| 1970 | Pontiac | Firebird | Esprit | |
| 1971 | Pontiac | Firebird | Esprit | |
| 1972 | Pontiac | Firebird | Esprit | |
| 1973 | Pontiac | Firebird | Esprit | |
| 1974 | Pontiac | Firebird | Esprit | |
| 1975 | Pontiac | Firebird | Esprit | |
| 1976 | Pontiac | Firebird | Esprit | |
| 1977 | Pontiac | Firebird | Esprit | |
| 1978 | Pontiac | Firebird | Esprit | |
| 1979 | Pontiac | Firebird | Esprit | |
| 1980 | Pontiac | Firebird | Esprit | |
| 1981 | Pontiac | Firebird | Esprit | |
| 1970 | Pontiac | Firebird | Formula | |
| 1971 | Pontiac | Firebird | Formula | |
| 1972 | Pontiac | Firebird | Formula | |
| 1973 | Pontiac | Firebird | Formula | |
| 1974 | Pontiac | Firebird | Formula | |
| 1975 | Pontiac | Firebird | Formula | |
| 1976 | Pontiac | Firebird | Formula | |
| 1977 | Pontiac | Firebird | Formula | |
| 1978 | Pontiac | Firebird | Formula | |
| 1979 | Pontiac | Firebird | Formula | |
| 1980 | Pontiac | Firebird | Formula | |
| 1981 | Pontiac | Firebird | Formula | |
| 1973 | Chevrolet | Camaro | LT | |
| 1974 | Chevrolet | Camaro | LT | |
| 1975 | Chevrolet | Camaro | LT | |
| 1976 | Chevrolet | Camaro | LT | |
| 1977 | Chevrolet | Camaro | LT | |
| 1978 | Chevrolet | Camaro | LT | |
| 1975 | Chevrolet | Camaro | RS | |
| 1976 | Chevrolet | Camaro | Rally Sport | |
| 1977 | Chevrolet | Camaro | Rally Sport | |
| 1978 | Chevrolet | Camaro | Rally Sport | |
| 1979 | Chevrolet | Camaro | Rally Sport | |
| 1980 | Chevrolet | Camaro | Rally Sport | |
| 1976 | Chevrolet | Camaro | LT Rally Sport | |
| 1977 | Chevrolet | Camaro | LT Rally Sport | |
| 1978 | Chevrolet | Camaro | LT Rally Sport | |
| 1977 | Chevrolet | Camaro | Z28 | |
| 1978 | Chevrolet | Camaro | Z28 | |
| 1979 | Chevrolet | Camaro | Z28 | |
| 1980 | Chevrolet | Camaro | Z28 | |
| 1981 | Chevrolet | Camaro | Z28 | |
| 1979 | Chevrolet | Camaro | Berlinetta | |
| 1980 | Chevrolet | Camaro | Berlinetta | |
| 1981 | Chevrolet | Camaro | Berlinetta | |
| 1981 | Chevrolet | Camaro | Sport | |
| 1994 | Chevrolet | Impala | SS | |
| 1995 | Chevrolet | Impala | SS | |
| 1996 | Chevrolet | Impala | SS | |
| 2005 | Chrysler | 300 | Touring | |
| 2006 | Chrysler | 300 | Touring | |
| 2007 | Chrysler | 300 | Touring | |
| 2008 | Chrysler | 300 | Touring | |
| 2009 | Chrysler | 300 | Touring | |
| 2010 | Chrysler | 300 | Touring | |
| 2011 | Chrysler | 300 | Touring | |
| 2005 | Chrysler | 300 | Limited | |
| 2006 | Chrysler | 300 | Limited | |
| 2007 | Chrysler | 300 | Limited | |
| 2008 | Chrysler | 300 | Limited | |
| 2009 | Chrysler | 300 | Limited | |
| 2010 | Chrysler | 300 | Limited | |
| 2011 | Chrysler | 300 | Limited | |
| 2012 | Chrysler | 300 | Limited | |
| 2005 | Chrysler | 300 | C | |
| 2006 | Chrysler | 300 | C | |
| 2007 | Chrysler | 300 | C | |
| 2008 | Chrysler | 300 | C | |
| 2009 | Chrysler | 300 | C | |
| 2010 | Chrysler | 300 | C | |
| 2011 | Chrysler | 300 | C | |
| 2012 | Chrysler | 300 | C | |
| 2013 | Chrysler | 300 | C | |
| 2005 | Dodge | Magnum | SXT | |
| 2006 | Dodge | Magnum | SXT | |
| 2007 | Dodge | Magnum | SXT | |
| 2008 | Dodge | Magnum | SXT | |
| 2005 | Ford | Mustang | ||
| 2006 | Ford | Mustang | ||
| 2007 | Ford | Mustang | ||
| 2008 | Ford | Mustang | ||
| 2009 | Ford | Mustang | ||
| 2010 | Ford | Mustang | ||
| 2005 | Dodge | Magnum | SE | |
| 2006 | Dodge | Magnum | SE | |
| 2007 | Dodge | Magnum | SE | |
| 2008 | Dodge | Magnum | SE | |
| 2005 | Chrysler | 300 | ||
| 2006 | Chrysler | 300 | ||
| 2007 | Chrysler | 300 | ||
| 2005 | Dodge | Magnum | SXT Special Edition | |
| 2006 | Dodge | Charger | SXT | |
| 2007 | Dodge | Charger | SXT | |
| 2008 | Dodge | Charger | SXT | |
| 2009 | Dodge | Charger | SXT | |
| 2010 | Dodge | Charger | SXT | |
| 2006 | Dodge | Charger | SE | |
| 2007 | Dodge | Charger | SE | |
| 2008 | Dodge | Charger | SE | |
| 2009 | Dodge | Charger | SE | |
| 2010 | Dodge | Charger | SE | |
| 2006 | Dodge | Charger | ||
| 2007 | Dodge | Charger | ||
| 2008 | Chrysler | 300 | LX | |
| 2009 | Chrysler | 300 | LX | |
| 2009 | Dodge | Challenger | R/T | |
| 2010 | Dodge | Challenger | R/T | |
| 2011 | Dodge | Challenger | R/T | |
| 2012 | Dodge | Challenger | R/T | |
| 2013 | Dodge | Challenger | R/T | |
| 2009 | Dodge | Challenger | SE | |
| 2010 | Dodge | Challenger | SE | |
| 2011 | Dodge | Challenger | SE | |
| 2009 | Chrysler | 300 | Signature Series | |
| 2010 | Chrysler | 300 | S | |
| 2010 | Dodge | Charger | R/T | |
| 2011 | Chrysler | 300 | ||
| 2012 | Chrysler | 300 | ||
| 2013 | Chrysler | 300 | ||
| 2012 | Dodge | Challenger | SXT Plus | |
| 2012 | Dodge | Challenger | SXT | |
| 2013 | Dodge | Challenger | SXT | |
| 2012 | Ford | Mustang | ||
| 2013 | Ford | Mustang | ||
| 2012 | Chrysler | 300 | S | |
| 2013 | Chrysler | 300 | S | |
| 2012 | Dodge | Challenger | R/T Classic |