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 is for you.
Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
- Durable, fully welded 16-gauge aluminized steel
- Aggressive sound exterior exhaust tone
- Noticeable interior resonance
- Excellent street/strip and fff foad application
Flowmaster 40 Series Chambered Muffler 40 Series 2.50 Offset In 2.50 Center Out Aggressive Sound Flowmaster 42541
Specifications:
| Country of Origin | USA |
| Sold As | Kit |
| UPC | 700042010332 |
| Availability | Available |
| Universal | Yes |
| Inlet Location | Offset |
| Mount Style | Uses New Hangers (Not Included) |
| Shape | Oval |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1965 | Plymouth | Belvedere II | ||
| 1966 | Plymouth | Belvedere II | ||
| 1967 | Plymouth | Belvedere II | ||
| 1974 | Chevrolet | Corvette | ||
| 1976 | Chevrolet | Corvette | Stingray | |
| 1977 | Chevrolet | Corvette | ||
| 1978 | Chevrolet | Corvette | ||
| 1979 | Chevrolet | Corvette | ||
| 1980 | Chevrolet | Corvette | ||
| 1981 | Chevrolet | Corvette | ||
| 1982 | Chevrolet | Corvette | ||
| 1978 | Chevrolet | Corvette | Indianapolis 500 Pace Car | |
| 1978 | Chevrolet | Corvette | Silver Anniversary Edition | |
| 1979 | Dodge | D150 | Li'l Red Express | |
| 1979 | Jeep | CJ5 | Golden Eagle | |
| 1980 | Jeep | CJ5 | Golden Eagle | |
| 1979 | Jeep | CJ5 | Renegade | |
| 1980 | Jeep | CJ5 | Renegade | |
| 1981 | Jeep | CJ5 | Renegade | |
| 1982 | Jeep | CJ5 | Renegade | |
| 1983 | Jeep | CJ5 | Renegade | |
| 1979 | Jeep | CJ7 | Renegade | |
| 1980 | Jeep | CJ7 | Renegade | |
| 1981 | Jeep | CJ7 | Renegade | |
| 1982 | Jeep | CJ7 | Renegade | |
| 1983 | Jeep | CJ7 | Renegade | |
| 1984 | Jeep | CJ7 | Renegade | |
| 1985 | Jeep | CJ7 | Renegade | |
| 1986 | Jeep | CJ7 | Renegade | |
| 1979 | Dodge | D100 | Estacas | |
| 1979 | Jeep | CJ7 | Golden Eagle | |
| 1979 | Dodge | D100 | Custom | |
| 1979 | Jeep | CJ7 | ||
| 1980 | Jeep | CJ7 | ||
| 1981 | Jeep | CJ7 | ||
| 1982 | Jeep | CJ7 | ||
| 1983 | Jeep | CJ7 | ||
| 1984 | Jeep | CJ7 | ||
| 1985 | Jeep | CJ7 | ||
| 1986 | Jeep | CJ7 | ||
| 1979 | Dodge | W150 | ||
| 1980 | Dodge | W150 | ||
| 1981 | Dodge | W150 | ||
| 1982 | Dodge | W150 | ||
| 1983 | Dodge | W150 | ||
| 1984 | Dodge | W150 | ||
| 1985 | Dodge | W150 | ||
| 1986 | Dodge | W150 | ||
| 1987 | Dodge | W150 | ||
| 1988 | Dodge | W150 | ||
| 1989 | Dodge | W150 | ||
| 1990 | Dodge | W150 | ||
| 1991 | Dodge | W150 | ||
| 1992 | Dodge | W150 | ||
| 1979 | Dodge | D100 | Club Cab | |
| 1979 | Dodge | D150 | ||
| 1980 | Dodge | D150 | ||
| 1981 | Dodge | D150 | ||
| 1982 | Dodge | D150 | ||
| 1983 | Dodge | D150 | ||
| 1984 | Dodge | D150 | ||
| 1985 | Dodge | D150 | ||
| 1986 | Dodge | D150 | ||
| 1987 | Dodge | D150 | ||
| 1988 | Dodge | D150 | ||
| 1989 | Dodge | D150 | ||
| 1990 | Dodge | D150 | ||
| 1991 | Dodge | D150 | ||
| 1992 | Dodge | D150 | ||
| 1979 | Dodge | D100 | ||
| 1979 | Jeep | CJ5 | ||
| 1980 | Jeep | CJ5 | ||
| 1981 | Jeep | CJ5 | ||
| 1982 | Jeep | CJ5 | ||
| 1983 | Jeep | CJ5 | ||
| 1979 | Dodge | D300 | ||
| 1980 | Dodge | D300 | ||
| 1979 | Dodge | D100 | Warlock II | |
| 1979 | Dodge | D300 | RD | |
| 1980 | Dodge | D300 | RD | |
| 1980 | Jeep | CJ7 | Golden Hawk | |
| 1980 | Jeep | CJ7 | Laredo | |
| 1981 | Jeep | CJ7 | Laredo | |
| 1982 | Jeep | CJ7 | Laredo | |
| 1983 | Jeep | CJ7 | Laredo | |
| 1980 | Jeep | CJ5 | Laredo | |
| 1981 | Jeep | CJ5 | Laredo | |
| 1982 | Jeep | CJ5 | Laredo | |
| 1983 | Jeep | CJ5 | Laredo | |
| 1981 | Dodge | D350 | RD | |
| 1982 | Dodge | D350 | RD | |
| 1983 | Dodge | D350 | RD | |
| 1984 | Dodge | D350 | RD | |
| 1985 | Dodge | D350 | RD | |
| 1986 | Dodge | D350 | RD | |
| 1987 | Dodge | D350 | RD | |
| 1988 | Dodge | D350 | RD | |
| 1989 | Dodge | D350 | RD | |
| 1990 | Dodge | D350 | RD | |
| 1991 | Dodge | D350 | RD | |
| 1992 | Dodge | D350 | RD | |
| 1981 | Dodge | W250 | ||
| 1982 | Dodge | W250 | ||
| 1983 | Dodge | W250 | ||
| 1984 | Dodge | W250 | ||
| 1985 | Dodge | W250 | ||
| 1986 | Dodge | W250 | ||
| 1987 | Dodge | W250 | ||
| 1988 | Dodge | W250 | ||
| 1989 | Dodge | W250 | ||
| 1990 | Dodge | W250 | ||
| 1991 | Dodge | W250 | ||
| 1992 | Dodge | W250 | ||
| 1981 | Dodge | D250 | ||
| 1982 | Dodge | D250 | ||
| 1983 | Dodge | D250 | ||
| 1984 | Dodge | D250 | ||
| 1985 | Dodge | D250 | ||
| 1986 | Dodge | D250 | ||
| 1987 | Dodge | D250 | ||
| 1988 | Dodge | D250 | ||
| 1989 | Dodge | D250 | ||
| 1990 | Dodge | D250 | ||
| 1991 | Dodge | D250 | ||
| 1992 | Dodge | D250 | ||
| 1981 | Dodge | W350 | ||
| 1982 | Dodge | W350 | ||
| 1983 | Dodge | W350 | ||
| 1984 | Dodge | W350 | ||
| 1985 | Dodge | W350 | ||
| 1986 | Dodge | W350 | ||
| 1987 | Dodge | W350 | ||
| 1988 | Dodge | W350 | ||
| 1989 | Dodge | W350 | ||
| 1990 | Dodge | W350 | ||
| 1991 | Dodge | W350 | ||
| 1992 | Dodge | W350 | ||
| 1981 | Dodge | D350 | ||
| 1982 | Dodge | D350 | ||
| 1983 | Dodge | D350 | ||
| 1984 | Dodge | D350 | ||
| 1985 | Dodge | D350 | ||
| 1986 | Dodge | D350 | ||
| 1987 | Dodge | D350 | ||
| 1988 | Dodge | D350 | ||
| 1989 | Dodge | D350 | ||
| 1990 | Dodge | D350 | ||
| 1991 | Dodge | D350 | ||
| 1992 | Dodge | D350 | ||
| 1982 | Dodge | D350 | RS | |
| 1982 | Jeep | CJ7 | Limited | |
| 1983 | Jeep | CJ7 | Limited | |
| 1982 | Jeep | CJ5 | Limited | |
| 1983 | Jeep | CJ5 | Limited | |
| 1982 | Dodge | D150 | Miser | |
| 1983 | Dodge | D150 | Miser | |
| 1982 | Dodge | D150 | RAM | |
| 1982 | Dodge | D150 | Estacas | |
| 1982 | Dodge | D150 | Adventurer | |
| 1982 | Dodge | D150 | Equipado | |
| 1982 | Chevrolet | Corvette | Collector's Edition | |
| 1982 | Dodge | D150 | Club Cab | |
| 1983 | Chevrolet | S10 | Sport | |
| 1984 | Chevrolet | S10 | Sport | |
| 1985 | Chevrolet | S10 | Sport | |
| 1986 | Chevrolet | S10 | Sport | |
| 1987 | Chevrolet | S10 | Sport | |
| 1988 | Chevrolet | S10 | Sport | |
| 1989 | Chevrolet | S10 | Sport | |
| 1983 | Chevrolet | S10 | ||
| 1984 | Chevrolet | S10 | ||
| 1985 | Chevrolet | S10 | ||
| 1986 | Chevrolet | S10 | ||
| 1987 | Chevrolet | S10 | ||
| 1988 | Chevrolet | S10 | ||
| 1989 | Chevrolet | S10 | ||
| 1990 | Chevrolet | S10 | ||
| 1991 | Chevrolet | S10 | ||
| 1992 | Chevrolet | S10 | ||
| 1993 | Chevrolet | S10 | ||
| 1983 | Chevrolet | S10 | Durango | |
| 1984 | Chevrolet | S10 | Durango | |
| 1985 | Chevrolet | S10 | Durango | |
| 1986 | Chevrolet | S10 | Durango | |
| 1987 | Chevrolet | S10 | Durango | |
| 1988 | Chevrolet | S10 | Durango | |
| 1989 | Chevrolet | S10 | Durango | |
| 1990 | Chevrolet | S10 | Durango | |
| 1983 | Chevrolet | S10 | Tahoe | |
| 1984 | Chevrolet | S10 | Tahoe | |
| 1985 | Chevrolet | S10 | Tahoe | |
| 1986 | Chevrolet | S10 | Tahoe | |
| 1987 | Chevrolet | S10 | Tahoe | |
| 1988 | Chevrolet | S10 | Tahoe | |
| 1989 | Chevrolet | S10 | Tahoe | |
| 1990 | Chevrolet | S10 | Tahoe | |
| 1991 | Chevrolet | S10 | Tahoe | |
| 1992 | Chevrolet | S10 | Tahoe | |
| 1984 | Dodge | D150 | Adventurer | |
| 1985 | Dodge | D150 | Adventurer | |
| 1986 | Dodge | D150 | Adventurer | |
| 1987 | Dodge | D150 | Adventurer | |
| 1988 | Dodge | D150 | Adventurer | |
| 1985 | Jeep | CJ7 | Laredo | |
| 1986 | Jeep | CJ7 | Laredo | |
| 1986 | Dodge | W100 | Custom | |
| 1987 | Dodge | W100 | Custom | |
| 1988 | Dodge | W100 | Custom | |
| 1989 | Dodge | W100 | Custom | |
| 1986 | Dodge | D250 | Custom | |
| 1987 | Dodge | D250 | Custom | |
| 1988 | Dodge | D250 | Custom | |
| 1989 | Dodge | D250 | Custom | |
| 1986 | Dodge | D100 | Custom | |
| 1987 | Dodge | D100 | Custom | |
| 1988 | Dodge | D100 | Custom | |
| 1989 | Dodge | D100 | Custom | |
| 1986 | Dodge | D250 | Adventurer | |
| 1987 | Dodge | D250 | Adventurer | |
| 1988 | Dodge | D250 | Adventurer | |
| 1989 | Dodge | D250 | Adventurer | |
| 1990 | Dodge | D250 | Adventurer | |
| 1991 | Dodge | D250 | Adventurer | |
| 1992 | Dodge | D250 | Adventurer | |
| 1986 | Dodge | D250 | Club Cab | |
| 1987 | Dodge | D250 | Club Cab | |
| 1988 | Dodge | D250 | Club Cab | |
| 1989 | Dodge | D250 | Club Cab | |
| 1990 | Dodge | D250 | Club Cab | |
| 1991 | Dodge | D250 | Club Cab | |
| 1992 | Dodge | D250 | Club Cab | |
| 1986 | Dodge | D250 | Prospector | |
| 1987 | Dodge | D250 | Prospector | |
| 1988 | Dodge | D250 | Prospector | |
| 1990 | Dodge | Dakota | Sport | |
| 1991 | Dodge | Dakota | Sport | |
| 1990 | Dodge | Dakota | SE | |
| 1991 | Dodge | Dakota | SE | |
| 1990 | Dodge | W150 | S | |
| 1991 | Dodge | W150 | S | |
| 1990 | Dodge | Dakota | S | |
| 1991 | Dodge | Dakota | S | |
| 1990 | Dodge | D150 | S | |
| 1991 | Dodge | D150 | S | |
| 1990 | Dodge | Dakota | ||
| 1991 | Dodge | Dakota | ||
| 1990 | Dodge | Dakota | LE | |
| 1991 | Dodge | Dakota | LE | |
| 1990 | Dodge | D250 | Prospector | |
| 1991 | Dodge | D250 | Prospector | |
| 1992 | Dodge | D250 | Prospector | |
| 1991 | Chevrolet | S10 | Baja | |
| 1991 | Dodge | D250 | Custom | |
| 1992 | Dodge | D250 | Custom | |
| 1992 | Chevrolet | S10 | EL | |
| 1993 | Chevrolet | S10 | EL | |
| 1994 | Ford | F-250 | XLT | |
| 1995 | Ford | F-250 | XLT | |
| 1996 | Ford | F-250 | XLT | |
| 1997 | Ford | F-250 | XLT | |
| 1998 | Ford | F-250 | XLT | |
| 1994 | Ford | F-350 | XL | |
| 1995 | Ford | F-350 | XL | |
| 1996 | Ford | F-350 | XL | |
| 1997 | Ford | F-350 | XL | |
| 1994 | Ford | F-350 | XLT | |
| 1995 | Ford | F-350 | XLT | |
| 1996 | Ford | F-350 | XLT | |
| 1997 | Ford | F-350 | XLT | |
| 1994 | Ford | F-250 | XL | |
| 1995 | Ford | F-250 | XL | |
| 1996 | Ford | F-250 | XL | |
| 1997 | Ford | F-250 | XL | |
| 1998 | Ford | F-250 | XL | |
| 1995 | Ford | F-350 | Eddie Bauer | |
| 1995 | Ford | F-350 | Special | |
| 1996 | Ford | F-350 | Special | |
| 1995 | Ford | F-250 | Eddie Bauer | |
| 1996 | Ford | F-250 | Eddie Bauer | |
| 1995 | Ford | F-250 | Special | |
| 1996 | Ford | F-250 | Special | |
| 1997 | Ford | F-350 | ||
| 1997 | Ford | F-250 | ||
| 1998 | Ford | F-250 | ||
| 1997 | Ford | F-250 | Lariat | |
| 1998 | Ford | F-250 | Lariat | |
| 1998 | Chevrolet | S10 | ZR2 | |
| 1999 | Chevrolet | S10 | ZR2 | |
| 2000 | Chevrolet | S10 | ZR2 | |
| 2001 | Chevrolet | S10 | ZR2 | |
| 2002 | Chevrolet | S10 | ZR2 | |
| 1998 | Chevrolet | S10 | LS | |
| 1999 | Chevrolet | S10 | LS | |
| 2000 | Chevrolet | S10 | LS | |
| 2001 | Chevrolet | S10 | LS | |
| 2002 | Chevrolet | S10 | LS | |
| 1998 | Chevrolet | S10 | SS | |
| 1998 | Chevrolet | S10 | ||
| 1999 | Chevrolet | S10 | ||
| 2000 | Chevrolet | S10 | ||
| 2001 | Chevrolet | S10 | ||
| 2002 | Chevrolet | S10 | ||
| 1999 | Chevrolet | S10 | Xtreme | |
| 2000 | Chevrolet | S10 | Xtreme | |
| 2001 | Chevrolet | S10 | Xtreme | |
| 2002 | Chevrolet | S10 | Xtreme | |
| 2000 | Toyota | Tundra | ||
| 2001 | Toyota | Tundra | ||
| 2002 | Toyota | Tundra | ||
| 2003 | Toyota | Tundra | ||
| 2004 | Toyota | Tundra | ||
| 2005 | Toyota | Tundra | ||
| 2006 | Toyota | Tundra | ||
| 2000 | Toyota | Tundra | SR5 | |
| 2001 | Toyota | Tundra | SR5 | |
| 2002 | Toyota | Tundra | SR5 | |
| 2003 | Toyota | Tundra | SR5 | |
| 2004 | Toyota | Tundra | SR5 | |
| 2005 | Toyota | Tundra | SR5 | |
| 2006 | Toyota | Tundra | SR5 | |
| 2000 | Toyota | Tundra | Limited | |
| 2001 | Toyota | Tundra | Limited | |
| 2002 | Toyota | Tundra | Limited | |
| 2003 | Toyota | Tundra | Limited | |
| 2004 | Toyota | Tundra | Limited | |
| 2005 | Toyota | Tundra | Limited | |
| 2006 | Toyota | Tundra | Limited | |
| 2002 | Chevrolet | S10 | ZR5 | |
| 2005 | Nissan | Armada | SE Off-Road | |
| 2006 | Nissan | Armada | SE Off-Road | |
| 2005 | Nissan | Armada | SE | |
| 2006 | Nissan | Armada | SE | |
| 2007 | Nissan | Armada | SE | |
| 2005 | Nissan | Armada | LE | |
| 2006 | Nissan | Armada | LE | |
| 2007 | Nissan | Armada | LE |