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  See more parts for Buick Regal
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Flowmaster 40 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out - Aggressive Sound - 8042441
Flowmaster 40 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out - Aggressive Sound - 8042441 - Image 2 Flowmaster 40 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out - Aggressive Sound - 8042441 - Image 3 Flowmaster 40 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out - Aggressive Sound - 8042441 - Image 4 Flowmaster 40 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out - Aggressive Sound - 8042441 - Image 5 Flowmaster 40 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out - Aggressive Sound - 8042441 - Image 6

The Original 40 Series Muffler brings you that bold, aggressive tone both inside and out. If you're after that classic Flowmaster sound, this is the muffler you'll want to have. Crafted from 16-gauge 409S stainless steel and fully MIG welded, it's designed to stand the test of time.


Features:
  • Perfect for Street/Strip and Off-Road applications
  • Noticeable interior resonance
  • Aggressive exterior exhaust tone
  • Durable, fully welded 409SS stainless steel construction
Specifications:
  • Automotive Item Grade: High Performance
  • Body Height (in): 4
  • Body Length (in): 13
  • Body Width (in): 9.75
  • California Proposition 65 Chemical Name: Chromium (hexavalent compounds)
  • California Proposition 65 Chemical Name: Nickel (Metallic)
  • California Proposition 65 Required: Yes
  • Color: Black
  • Emission Code: 5
  • Fitment: Universal
  • Inlet Connection Type: Pipe Connection
  • Inlet Diameter (in): 2.25
  • Inlet Position: Offset
  • Material: Stainless Steel
  • Mount Type: Uses New Hangers (Not Included)
  • Muffler Series: 40 Series
  • Muffler Type: Reflection
  • Outlet Connection Type: Pipe Connection
  • Outlet Diameter (in): 2.25
  • Outlet Position: Center
  • Overall Length (in): 19
  • Product Type: Street Mufflers
  • Shape: Oval
  • Sound Level: Aggressive Sound
  • Type of Muffler: Chambered
  • Warning: California Proposition 65
Notes:
  • Universal Muffler - Not a direct fit. Some adaptation may be needed.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Buick Regal 1978-1980, 1986-1987 Base
Buick Regal 1978-1980 Sport
Buick Regal 1978-1980, 1986-1987 Limited
Buick Regal 1986-1987 Grand National
Buick Regal 1986 T-Type
Buick Regal 1987 GNX
Chevrolet Blazer 1987-1994 Silverado
Chevrolet Blazer 1987 Custom Deluxe
Chevrolet Blazer 1988-1991 Scottsdale
Chevrolet Blazer 1992-1993 Cheyenne
Chevrolet Blazer 1994 Base
Chevrolet Blazer 1994 Silverado Sport
Chevrolet Caprice 1973-1974 Estate
Chevrolet Caprice 1973-1977 Classic
Chevrolet Caprice 1975-1976 Classic Sport
Chevrolet Caprice 1975 Estate Wagon
Chevrolet Caprice 1976-1977 Classic Estate
Chevrolet Caprice 1976-1977 Classic Landau
Chevrolet Chevelle 1973 Deluxe
Chevrolet Cobalt 2005-2010 LS
Chevrolet Cobalt 2005, 2010 Base
Chevrolet Cobalt 2005-2010 SS
Chevrolet Cobalt 2005-2010 LT
Chevrolet Cobalt 2006-2007 LTZ
Chevrolet Cobalt 2008 Sport
Chevrolet Cobalt 2010 LT Team Canada
Chevrolet Impala 1972-1977 Base
Chevrolet Impala 1975-1976 Sport
Chevrolet Impala 1975-1977 Custom
Chevrolet Impala 1976 S
Chevrolet Impala 1976 Custom Landau
Chevrolet Impala 1977 Landau
Chevrolet Impala 2006-2007 Police
Chevrolet Impala 2006-2007 SS
Chevrolet Impala 2006-2007 LTZ
Chevrolet Impala 2006-2007 LS
Chevrolet Impala 2006-2007 LT
Chevrolet K5 Blazer 1983-1986 Custom
Chevrolet K5 Blazer 1983-1986 Silverado
Chevrolet K5 Blazer 1984 Scottsdale
Chevrolet Monte Carlo 2006-2007 LS
Chevrolet Monte Carlo 2006 LTZ
Chevrolet Monte Carlo 2006-2007 LT
Chevrolet S10 1983-1989 Sport
Chevrolet S10 1983-1992 Tahoe
Chevrolet S10 1983-1990 Durango
Chevrolet S10 1983-1997 Base
Chevrolet S10 1991 Baja
Chevrolet S10 1991-1993 Maxi
Chevrolet S10 1992-1993 EL
Chevrolet S10 1994-1997 SS
Chevrolet S10 1994-1997 LS
Chevrolet S10 1994-1997 ZR2
Chevrolet S10 Blazer 1987-1989 High Country
Chevrolet S10 Blazer 1987-1988, 1990-1994 Tahoe
Chevrolet S10 Blazer 1987-1990, 1992 Sport
Chevrolet S10 Blazer 1987-1994 Base
Chevrolet S10 Blazer 1991-1994 Tahoe LT
Chevrolet S10 Blazer 1991-1994 Nevada
Chevrolet S10 Blazer 1994 LT
Chrysler PT Cruiser 2001-2009 Touring
Chrysler PT Cruiser 2001-2009 Limited
Chrysler PT Cruiser 2001, 2003-2004, 2010 Classic
Chrysler PT Cruiser 2001-2009 Base
Chrysler PT Cruiser 2002 Dream
Chrysler PT Cruiser 2003 Dream Edition
Chrysler PT Cruiser 2003-2007 GT
Chrysler PT Cruiser 2004 Turbo
Chrysler PT Cruiser 2004 Touring Edition
Chrysler PT Cruiser 2005-2006 Street Cruiser
Chrysler PT Cruiser 2005 Dream Cruiser
Chrysler PT Cruiser 2006 Street Cruiser Route 66
Chrysler PT Cruiser 2007 Street Cruiser Pacific Coast Highway Edition
Chrysler PT Cruiser 2008-2009 LX
Chrysler PT Cruiser 2010 Couture Edition
Dodge Challenger 1970 T/A
Dodge Challenger 1970-1974 Base
Dodge Challenger 1970-1971 R/T
Dodge Challenger 1972 Rallye
Dodge Dart 1969-1974 Swinger
Dodge Dart 1969 GT
Dodge Dart 1969-1974 Base
Dodge Dart 1969-1970 Swinger 340
Dodge Dart 1969 GTS
Dodge Dart 1969-1974 Custom
Dodge Dart 1971-1974 Special
Dodge Dart 1971-1972 Demon 340
Dodge Dart 1971-1972 Demon
Dodge Dart 1973 Sport 340
Dodge Dart 1973-1974 Sport
Dodge Dart 1974 Special Edition
Dodge Dart 1974 Sport 360
Ford Explorer 1991-1992 Base
Ford Explorer 1991-1992 Sport
Ford Explorer 1991-1992, 2001-2010 Eddie Bauer
Ford Explorer 1991-1992, 2001-2010 XLT
Ford Explorer 1991-1992 4x4
Ford Explorer 1991-1992 XL
Ford Explorer 2001-2010 Limited
Ford Explorer 2001 XL Fleet
Ford Explorer 2001-2006 XLS
Ford Explorer 2001-2003 Postal
Ford Explorer 2004 NBX
Ford Explorer 2004-2005 XLS Sport
Ford Explorer 2004-2005 XLT Sport
Ford Explorer 2010 XLT Base
Ford Explorer Sport 2001-2003 Base
Ford Explorer Sport 2003 XLT
Ford Explorer Sport 2003 XLS
Ford Explorer Sport Trac 2001, 2007-2010 Base
Ford Explorer Sport Trac 2002 XL
Ford Explorer Sport Trac 2003-2005 XLS
Ford Explorer Sport Trac 2003-2005, 2007-2010 XLT
Ford Explorer Sport Trac 2005 Adrenalin
Ford Explorer Sport Trac 2007-2010 Limited
Ford F-150 1975-1981, 1984-1986 Ranger
Ford F-150 1975-1978 Northland
Ford F-150 1975-1981 Ranger XLT
Ford F-150 1975-1986 Custom
Ford F-150 1976-1978, 1983-1986 Base
Ford F-150 1977, 1983-1984 XLT
Ford F-150 1978-1981 Ranger Lariat
Ford F-150 1982-1983 XLS
Ford F-150 1982-1986 XL
Ford F-150 1982, 1985-1986 XLT Lariat
Ford F-250 1975-1982 Custom
Ford F-250 1975-1981 Ranger
Ford F-250 1975-1981 Ranger XLT
Ford F-250 1975-1978 Northland
Ford F-250 1976-1978, 1983-1986 Base
Ford F-250 1977, 1983-1984 XLT
Ford F-250 1978-1981 Ranger Lariat
Ford F-250 1982-1983 XLS
Ford F-250 1982-1986 XL
Ford F-250 1982, 1985-1986 XLT Lariat
Ford F-350 1975-1986 Base
Ford F-350 1975-1978 Northland
Ford F-350 1975-1981 Ranger XLT
Ford F-350 1975-1982 Custom
Ford F-350 1975-1981 Ranger
Ford F-350 1977, 1983-1984, 1986 XLT
Ford F-350 1978-1981 Ranger Lariat
Ford F-350 1982-1986 XL
Ford F-350 1982, 1985-1986 XLT Lariat
Ford F-350 1982-1983 XLS
Ford Fairlane 1960-1970 500
Ford Fairlane 1960-1969 Base
Ford Fairlane 1966-1967 500XL
Ford Gran Torino 1972-1974 Sport
Ford Gran Torino 1972-1974 Base
Ford Gran Torino 1972-1974 Squire
Ford Gran Torino 1973-1974 Brougham
Ford Gran Torino 1974 Elite
Ford Taurus 2010 SEL
Ford Taurus 2010 Limited
Ford Taurus 2010 SE
Ford Torino 1968-1974 Base
Ford Torino 1968-1971 GT
Ford Torino 1969-1971 Squire
Ford Torino 1969-1971 Cobra
Ford Torino 1970-1971 Super Cobra Jet
Ford Torino 1970-1971 Brougham
Ford Torino 1971 500
GMC Jimmy 1983-1985 High Sierra
GMC Jimmy 1983-1990 Sierra Classic
GMC Jimmy 1983-1996 Base
GMC Jimmy 1986 Silverado
GMC Jimmy 1992-1997 SLE
GMC Jimmy 1992-1997 SLT
GMC Jimmy 1993-1997 SLS
GMC Jimmy 1995-1997 SL
GMC S15 1983, 1986-1988 Gypsy
GMC S15 1983-1990 High Sierra
GMC S15 1983-1990 Sierra Classic
GMC S15 1983-1990 Base
GMC S15 1987 EL
Mercury Cougar 1967-1973 Base
Mercury Cougar 1967-1974 XR-7
Mercury Cougar 1969-1970 Boss 302
Mercury Cougar 1969-1970 Boss 429
Mercury Cougar 1969-1970 Cobra Jet
Mitsubishi Eclipse 1990-1999 GST
Mitsubishi Eclipse 1990-1999 GSX
Mitsubishi Eclipse 1990-2007 GS
Mitsubishi Eclipse 1990-1994, 1996-1997 Base
Mitsubishi Eclipse 1995-2004 RS
Mitsubishi Eclipse 1996-1999, 2001-2005, 2007 Spyder GS
Mitsubishi Eclipse 1996-1999 Spyder GST
Mitsubishi Eclipse 2000-2007 GT
Mitsubishi Eclipse 2001-2005, 2007 Spyder GT
Mitsubishi Eclipse 2003-2005 GTS
Mitsubishi Eclipse 2003-2005 Spyder GTS
Mitsubishi Eclipse 2007 SE
Mitsubishi Eclipse 2007 GT SE
Oldsmobile Cutlass 1973-1977 S
Oldsmobile Cutlass 1973-1975 Base
Oldsmobile Cutlass 1975, 1977 442
Oldsmobile Cutlass 1976-1977 Colonnade S
Oldsmobile Cutlass 1976-1977 Vista Cruiser
Oldsmobile Cutlass 1977 Colonnade
Plymouth Duster 1970-1974 Base
Plymouth Duster 1970-1973 340
Plymouth Duster 1974 360
Plymouth GTX 1967-1970 Base
Plymouth Road Runner 1968-1970 Base
Pontiac LeMans 1975-1977 Sport
Pontiac LeMans 1975, 1977 Safari
Pontiac LeMans 1975-1977 Base
Pontiac LeMans 1976-1977 Sport Coupe
Subaru Impreza 2001-2004 Outback
Subaru Impreza 2001-2005 RS
Subaru Impreza 2001 L
Subaru Impreza 2002-2007 WRX
Subaru Impreza 2002-2004 TS
Subaru Impreza 2004-2007 WRX STI
Subaru Impreza 2005-2007 Outback Sport
Subaru Impreza 2006-2007 WRX Limited
Subaru Impreza 2006-2007 2.5i
Subaru Impreza 2006-2007 WRX TR
Subaru Impreza 2007 WRX STI Limited
Toyota Solara 2007 Sport
Toyota Solara 2007 SLE
Toyota Solara 2007 SE

Flowmaster Banner

Who is Flowmaster?

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 Design

Flowmaster 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 Style

The 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 Team

Flowmaster 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 Tested

With 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 Racing

If 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.




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