The Original 40 Series Muffler is designed to give your vehicle a bold and aggressive sound, both inside and out. If you're after that classic Flowmaster tone, you’ve just found your match! Crafted from robust 16 gauge 409S stainless steel and fully MIG welded, this muffler promises exceptional durability that stands the test of time.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Buick Regal | 1978-1987 | Limited |
| Buick Regal | 1978-1982 | Sport |
| Buick Regal | 1978-1987 | Base |
| Buick Regal | 1982-1983 | Estate Wagon |
| Buick Regal | 1982 | Limited Turbo |
| Buick Regal | 1983-1986 | T-Type |
| Buick Regal | 1984-1987 | Grand National |
| Buick Regal | 1987 | GNX |
| Chevrolet Blazer | 1973-1974 | Base |
| Chevrolet C10 | 1975-1980 | Custom |
| Chevrolet C10 | 1975-1980 | Custom Deluxe |
| Chevrolet C10 | 1975-1980 | Cheyenne |
| Chevrolet C10 | 1975-1980 | Silverado |
| Chevrolet C10 | 1975-1980 | Scottsdale |
| Chevrolet C10 | 1978-1980 | Big Ten |
| Chevrolet C10 Suburban | 1977 | Silverado |
| Chevrolet C10 Suburban | 1977 | Custom Deluxe |
| Chevrolet C10 Suburban | 1977 | Scottsdale |
| Chevrolet C1500 | 1988-1992 | Scottsdale |
| Chevrolet C1500 | 1988-1993 | Silverado |
| Chevrolet C1500 | 1988-1993 | Cheyenne |
| Chevrolet C1500 | 1989-1991 | Base |
| Chevrolet C1500 | 1990-1993 | 454 SS |
| Chevrolet C1500 | 1990-1993 | WT |
| Chevrolet C20 | 1975-1980 | Custom Deluxe |
| Chevrolet C20 | 1975-1980 | Silverado |
| Chevrolet C20 | 1975-1980 | Scottsdale |
| Chevrolet C20 | 1975-1980 | Cheyenne |
| Chevrolet C20 Suburban | 1977 | Custom Deluxe |
| Chevrolet C20 Suburban | 1977 | Silverado |
| Chevrolet C20 Suburban | 1977 | Scottsdale |
| Chevrolet C2500 | 1988-1992 | Scottsdale |
| Chevrolet C2500 | 1988-1993 | Cheyenne |
| Chevrolet C2500 | 1988-1993 | Silverado |
| Chevrolet C2500 | 1988-1992 | Base |
| Chevrolet C2500 | 1993 | Custom |
| Chevrolet C2500 | 1993 | 400 SS |
| Chevrolet C30 | 1975-1980 | Scottsdale |
| Chevrolet C30 | 1975-1980 | Custom Deluxe |
| Chevrolet C30 | 1975-1980 | Base |
| Chevrolet C30 | 1975-1980 | Silverado |
| Chevrolet C30 | 1975-1980 | Cheyenne |
| Chevrolet Chevelle | 1964-1965 | Malibu Super Sport |
| Chevrolet Chevelle | 1964-1968 | 300 |
| Chevrolet Chevelle | 1965-1972 | Malibu |
| Chevrolet Chevelle | 1965-1969 | 300 Deluxe |
| Chevrolet Chevelle | 1966 | Super Sport 396 |
| Chevrolet Chevelle | 1967-1972 | Concours |
| Chevrolet Chevelle | 1967-1970 | SS 396 |
| Chevrolet Chevelle | 1968-1972 | Nomad |
| Chevrolet Chevelle | 1968 | Nomad Custom |
| Chevrolet Chevelle | 1969-1972 | Concours Estate |
| Chevrolet Chevelle | 1969-1972 | Greenbrier |
| Chevrolet Chevelle | 1970-1972 | Base |
| Chevrolet Chevelle | 1971-1972 | SS |
| Chevrolet El Camino | 1978-1987 | SS |
| Chevrolet El Camino | 1978-1987 | Base |
| Chevrolet El Camino | 1978, 1981-1986 | Conquista |
| Chevrolet El Camino | 1979-1981 | Royal Knight |
| Chevrolet K10 Suburban | 1977 | Custom Deluxe |
| Chevrolet K10 Suburban | 1977 | Silverado |
| Chevrolet K10 Suburban | 1977 | Scottsdale |
| Chevrolet K1500 | 1988-1992 | Scottsdale |
| Chevrolet K1500 | 1988-1993 | Cheyenne |
| Chevrolet K1500 | 1988-1993 | Silverado |
| Chevrolet K1500 | 1990-1993 | WT |
| Chevrolet K1500 | 1991 | Sport |
| Chevrolet K20 | 1975-1980 | Cheyenne |
| Chevrolet K20 | 1975-1980 | Silverado |
| Chevrolet K20 | 1975-1980 | Custom Deluxe |
| Chevrolet K20 | 1975-1980 | Scottsdale |
| Chevrolet K20 Suburban | 1977 | Custom Deluxe |
| Chevrolet K20 Suburban | 1977 | Silverado |
| Chevrolet K20 Suburban | 1977 | Scottsdale |
| Chevrolet K2500 | 1988-1992 | Scottsdale |
| Chevrolet K2500 | 1988-1993 | Silverado |
| Chevrolet K2500 | 1988-1993 | Cheyenne |
| Chevrolet K30 | 1977-1980 | Silverado |
| Chevrolet K30 | 1977-1980 | Scottsdale |
| Chevrolet K30 | 1977-1980 | Cheyenne |
| Chevrolet K30 | 1977-1980 | Custom Deluxe |
| Chevrolet K5 Blazer | 1975, 1977-1980 | Custom Deluxe |
| Chevrolet K5 Blazer | 1975-1980 | Cheyenne |
| Chevrolet K5 Blazer | 1976 | Base |
| Chevrolet K5 Blazer | 1978, 1980-1981 | Silverado |
| Chevrolet K5 Blazer | 1981 | Custom |
| Chevrolet K5 Blazer | 1981 | Deluxe |
| Chevrolet Malibu | 1978-1980 | Classic Estate |
| Chevrolet Malibu | 1978-1981 | Base |
| Chevrolet Malibu | 1978-1981 | Classic Landau |
| Chevrolet Malibu | 1978-1983 | Classic |
| Chevrolet Malibu | 1979-1980 | Classic Sport |
| Chevrolet Malibu | 1979-1980 | Sport |
| Chevrolet Malibu | 1979 | Police |
| Chevrolet Malibu | 1979-1980 | Estate |
| Chevrolet Malibu | 1979 | Landau |
| Chevrolet Monte Carlo | 1978-1981 | Landau |
| Chevrolet Monte Carlo | 1978, 1980 | Sport |
| Chevrolet Monte Carlo | 1979, 1981-1988 | Base |
| Chevrolet Monte Carlo | 1983 | CL |
| Chevrolet Monte Carlo | 1986-1988 | LS |
| Dodge Dakota | 1997-2004 | Base |
| Dodge Dakota | 1997-2005, 2008 | Sport |
| Dodge Dakota | 1997-2010 | SLT |
| Dodge Dakota | 1998-2003 | R/T |
| Dodge Dakota | 2002, 2004, 2008-2010 | SXT |
| Dodge Dakota | 2004 | Sport Plus |
| Dodge Dakota | 2004 | SLT Plus |
| Dodge Dakota | 2005-2010 | Laramie |
| Dodge Dakota | 2005-2010 | ST |
| Dodge Dakota | 2008-2010 | TRX4 |
| Dodge Dakota | 2008 | TRX |
| Dodge Dakota | 2009-2010 | Lone Star |
| Dodge Dakota | 2009-2010 | Big Horn |
| Ford Expedition | 1997-2002 | Eddie Bauer |
| Ford Expedition | 1997 | XLT Plus |
| Ford Expedition | 1997-2002 | XLT |
| Ford F-150 | 1997-2008 | Lariat |
| Ford F-150 | 1997-2008 | XL |
| Ford F-150 | 1997-2008 | XLT |
| Ford F-150 | 1997-2000 | Base |
| Ford F-150 | 1998-1999 | Austera |
| Ford F-150 | 1999-2003 | Lightning |
| Ford F-150 | 2000-2003, 2006-2008 | Harley-Davidson Edition |
| Ford F-150 | 2001-2003, 2005-2008 | King Ranch |
| Ford F-150 | 2004-2008 | STX |
| Ford F-150 | 2004-2008 | Flotillera |
| Ford F-150 | 2004-2008 | FX4 |
| Ford F-150 | 2007-2008 | FX2 |
| Ford F-150 | 2008 | THE 60TH ANNIVERSARY EDITION |
| Ford F-150 | 2008 | XTR |
| Ford F-150 | 2008 | Limited |
| Ford F-150 Heritage | 2004 | XLT |
| Ford F-150 Heritage | 2004 | XL |
| Ford F-150 Heritage | 2004 | SVT Lightning |
| Ford Mustang | 2005-2008 | GT Base |
| Ford Mustang | 2005-2009 | GT Equipado |
| Ford Mustang | 2005-2010 | GT |
| Ford Mustang | 2007-2008 | Shelby GT |
| Ford Mustang | 2007-2009 | Base |
| Ford Mustang | 2007-2009 | Lujo |
| Ford Mustang | 2008 | Shelby GT500 |
| Ford Mustang | 2008-2009 | Bullitt |
| Ford Mustang | 2009 | Shelby |
| GMC C1500 | 1988-1993 | Sierra SLX |
| GMC C1500 | 1988-1993 | Sierra |
| GMC C1500 | 1988-1993 | Sierra SLE |
| GMC C1500 Suburban | 1992-1993 | Base |
| GMC C1500 Suburban | 1992-1993 | SLE |
| GMC C2500 | 1988-1993 | Sierra SLX |
| GMC C2500 | 1988-1993 | Sierra SLE |
| GMC C2500 | 1988-1993 | Sierra |
| GMC C2500 Suburban | 1992-1993 | SLE |
| GMC C2500 Suburban | 1992-1993 | Base |
| GMC Caballero | 1978-1980 | Laredo |
| GMC Caballero | 1978-1987 | Diablo |
| GMC Caballero | 1978-1987 | Base |
| GMC Caballero | 1981 | Conquista |
| GMC Caballero | 1981 | Royal Knight |
| GMC Caballero | 1981-1986 | Amarillo |
| GMC Jimmy | 1973-1981 | Base |
| GMC Jimmy | 1975-1981 | Sierra Grande |
| GMC Jimmy | 1975-1981 | High Sierra |
| GMC Jimmy | 1975-1981 | Sierra Classic |
| GMC Jimmy | 1978-1981 | Street Coupe |
| GMC K1500 | 1988-1993 | Sierra SLE |
| GMC K1500 | 1988-1993 | Sierra |
| GMC K1500 | 1988-1993 | Sierra SLX |
| GMC K1500 | 1993 | Sierra Sport |
| GMC K1500 Suburban | 1992-1993 | SLE |
| GMC K1500 Suburban | 1992-1993 | Base |
| GMC K2500 | 1988-1993 | Sierra SLX |
| GMC K2500 | 1988-1993 | Sierra |
| GMC K2500 | 1988-1993 | Sierra SLE |
| GMC K2500 Suburban | 1992-1993 | SLE |
| GMC K2500 Suburban | 1992-1993 | Base |
| Lincoln Navigator | 1998-2002 | Base |
| Oldsmobile Custom Cruiser | 1982-1983 | Base |
| Oldsmobile Cutlass | 1980 | LS |
| Oldsmobile Cutlass | 1980 | Brougham |
| Oldsmobile Cutlass | 1980 | Base |
| Oldsmobile Cutlass Salon | 1979, 1985-1987 | Base |
| Oldsmobile Cutlass Salon | 1979 | Hurst |
| Oldsmobile Cutlass Salon | 1979 | Brougham |
| Oldsmobile Cutlass Salon | 1979, 1985-1986 | 442 |
| Oldsmobile Cutlass Supreme | 1978-1987 | Base |
| Oldsmobile Cutlass Supreme | 1978-1987 | Brougham |
| Oldsmobile Cutlass Supreme | 1981, 1985 | LS |
| Oldsmobile Cutlass Supreme | 1987 | 442 |
| Pontiac Bonneville | 1982-1986 | Brougham |
| Pontiac Bonneville | 1982-1986 | Base |
| Pontiac Bonneville | 1984-1986 | LE |
| Pontiac Grand Prix | 1978-1983 | LJ |
| Pontiac Grand Prix | 1978-1987 | Base |
| Pontiac Grand Prix | 1978-1980 | SJ |
| Pontiac Grand Prix | 1981-1987 | Brougham |
| Pontiac Grand Prix | 1984-1987 | LE |

Flowmaster is an aftermarket company that was founded in 1983. The company specializes in manufacturing high-performance exhaust systems for various vehicles. This includes classic muscle cars, modern sedans, trucks, jeeps, off-road vehicles, and more.
It has since revolutionized the industry and has continued its tradition to produce high-quality exhaust parts. Today, Flowmaster has been the go-to brand of many car builders and enthusiasts worldwide and has been the market leader for years.
Pushing the Boundaries of Exhaust DesignFlowmaster has been the pioneer when it comes to developing mufflers. They produce mufflers that are quiet enough to be used legally on the streets but, at the same time, does not restrict the performance of the engine. This is why more and more people are choosing Flowmaster for their car builds as they can enjoy their vehicles on and off the streets.
An Exhaust For Any StyleThe company provides its customers with the ability to choose the type of muffler they want. They offer five sound categories of their exhaust system, from quiet and discrete to something more aggressive and gives that racy sound. They can also choose between 12 designs of chambered mufflers, including their exclusively-designed “laminar-flow” muffler or “straight-through.”They also have a custom-built exhaust system for that one-of car builds.
Passionate Development TeamFlowmaster is composed of people who have years of experience in developing quality exhaust systems. Using the knowledge they acquired over the years, they improved their designs and matched it with the ever-growing technological advancement of vehicles today.
Tried and TestedWith hundreds of installs under its belt, Flowmaster has proven itself to be a brand that delivers what it promised. In addition, all their exhaust systems are designed and dyno-tested, ensuring that they can maximize your vehicle’s performance once installed.
Purchase Flowmaster at Vivid RacingIf you are in the market for an upgrade in your vehicle’s exhaust that would provide you with that distinct sound and improved performance, then Flowmaster is the brand for you. To know more about Flowmaster, visit Vivid Racing and check out their list of products that fit your requirement.