Description

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 409S stainless steel and fully MIG welded for maximum durability.

Features

  • Durable fully welded 409SS stainless steel
  • Aggressive Sound Exterior Exhaust Tone
  • Noticeable interior resonance
  • Excellent Street/Strip and Off Road application

Specifications

Automotive Item GradeHigh Performance
Body Height4
Body Length13
Body Width9.75
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 RequiredYes
Emission Code5
FinishPaint
FinishNatural
FitmentUniversal
Inlet Connection TypePipe Connection
Inlet Diameter3
Inlet PositionOffset
Material409 Stainless Steel
Mount TypeUses New Hangers (Not Included)
Muffler SeriesOriginal 40 Series
Muffler TypeChambered
Outlet Connection TypePipe Connection
Outlet Diameter3
Outlet PositionCenter
Overall Length19
Product TypeStreet Mufflers
ReversibleNo
Sale CategoryExhaust
ShapeOval
Sound LevelAggressive Sound
Type of MufflerChambered
Vehicle TypeLate Model Muscle Car
Vehicle TypeStreet Rod
Vehicle TypeTruck/SUV
Vehicle TypeClassic Muscle Car
Vehicle TypeStreet/Strip

Compatibility

  • 1994 - 1996 Dodge Ram 2500 Base 5.9
  • 1994 - 1996 Dodge Ram 3500 Base 5.9
  • 1987 - 1991 Chevrolet Blazer Silverado 5.7
  • 1987 - 1987 Chevrolet Blazer Custom Deluxe 5.7
  • 1988 - 1991 Chevrolet Blazer Scottsdale 5.7
  • 1987 - 1988 Chevrolet R10 Suburban Silverado 5.7
  • 1987 - 1988 Chevrolet R10 Suburban Silverado 6.2
  • 1987 - 1988 Chevrolet R10 Suburban Scottsdale 5.7
  • 1987 - 1988 Chevrolet R10 Suburban Scottsdale 6.2
  • 1987 - 1987 Chevrolet R10 Suburban Silverado 5.0
  • 1987 - 1987 Chevrolet R10 Suburban Custom Deluxe 5.0
  • 1987 - 1987 Chevrolet R10 Suburban Scottsdale 5.0
  • 1987 - 1987 Chevrolet R10 Suburban Custom Deluxe 5.7
  • 1987 - 1987 Chevrolet R10 Suburban Custom Deluxe 6.2
  • 1989 - 1991 Chevrolet R1500 Suburban Scottsdale 5.7
  • 1989 - 1991 Chevrolet R1500 Suburban Silverado 5.7
  • 2019 - 2023 Chevrolet Silverado 1500 LT Trail Boss 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 RST 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 LT 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 Custom Trail Boss 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 LTZ 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 High Country 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 WT 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 Custom 5.3
  • 2019 - 2021 Chevrolet Silverado 1500 WT 4.3
  • 2019 - 2021 Chevrolet Silverado 1500 Custom 4.3
  • 2019 - 2021 Chevrolet Silverado 1500 SSV 5.3
  • 2019 - 2021 Chevrolet Silverado 1500 Custom Trail Boss 4.3
  • 2019 - 2020 Chevrolet Silverado 1500 WT Doble Cabina 4.3
  • 2019 - 2020 Chevrolet Silverado 1500 WT Cab Regular 4.3
  • 2023 - 2023 Chevrolet Silverado 1500 PPV 5.3
  • 1987 - 1988 Chevrolet V10 Suburban Scottsdale 6.2
  • 1987 - 1988 Chevrolet V10 Suburban Silverado 5.7
  • 1987 - 1988 Chevrolet V10 Suburban Scottsdale 5.7
  • 1987 - 1988 Chevrolet V10 Suburban Silverado 6.2
  • 1987 - 1987 Chevrolet V10 Suburban Custom Deluxe 5.7
  • 1987 - 1987 Chevrolet V10 Suburban Custom Deluxe 6.2
  • 1989 - 1991 Chevrolet V1500 Suburban Scottsdale 5.7
  • 1989 - 1991 Chevrolet V1500 Suburban Silverado 5.7
  • 1987 - 1987 Chevrolet V20 Suburban Custom Deluxe 7.4
  • 1987 - 1987 Chevrolet V20 Suburban Custom Deluxe 5.7
  • 1987 - 1991 GMC R1500 Suburban Base 5.7
  • 1987 - 1989 GMC R1500 Suburban Sierra Classic 5.7
  • 1987 - 1987 GMC R1500 Suburban High Sierra 5.7
  • 1987 - 1987 GMC R1500 Suburban Base 5.0
  • 1987 - 1987 GMC R1500 Suburban High Sierra 5.0
  • 1987 - 1987 GMC R1500 Suburban Sierra Classic 5.0
  • 1990 - 1990 GMC R1500 Suburban SLE 5.7
  • 1987 - 1991 GMC V1500 Suburban Base 5.7
  • 1987 - 1989 GMC V1500 Suburban Sierra Classic 5.7
  • 1987 - 1987 GMC V1500 Suburban High Sierra 5.7
  • 1990 - 1990 GMC V1500 Suburban SLE 5.7
  • 1987 - 1991 GMC Jimmy Base 5.7
  • 1987 - 1990 GMC Jimmy Sierra Classic 5.7
  • 2019 - 2023 GMC Sierra 1500 SLT 5.3
  • 2019 - 2023 GMC Sierra 1500 SLE 5.3
  • 2019 - 2023 GMC Sierra 1500 Denali 5.3
  • 2019 - 2023 GMC Sierra 1500 Elevation 5.3
  • 2019 - 2021 GMC Sierra 1500 Base 5.3
  • 2019 - 2021 GMC Sierra 1500 Base 4.3
  • 2019 - 2021 GMC Sierra 1500 AT4 5.3
  • 2022 - 2023 GMC Sierra 1500 Pro 5.3
  • 2003 - 2010 Ford Expedition XLT 5.4
  • 2003 - 2010 Ford Expedition Eddie Bauer 5.4
  • 2004 - 2004 Ford Expedition NBX 5.4
  • 2004 - 2004 Ford Expedition XLT Sport 5.4
  • 2005 - 2010 Ford Expedition Limited 5.4
  • 2005 - 2006 Ford Expedition XLS 5.4
  • 2006 - 2006 Ford Expedition XLT Sport 5.4
  • 2006 - 2006 Ford Expedition King Ranch 5.4
  • 2007 - 2010 Ford Expedition EL Limited 5.4
  • 2007 - 2010 Ford Expedition EL XLT 5.4
  • 2007 - 2010 Ford Expedition EL Eddie Bauer 5.4
  • 2008 - 2010 Ford Expedition EL King Ranch 5.4
  • 2008 - 2010 Ford Expedition King Ranch 5.4
  • 2008 - 2008 Ford Expedition Funkmaster Flex Edition 5.4
  • 1999 - 1999 Ford F-250 Base 5.4
  • 1999 - 1999 Ford F-250 Lariat 5.4
  • 1999 - 1999 Ford F-250 XL 5.4
  • 1999 - 1999 Ford F-250 XLT 5.4
  • 1999 - 2004 Ford F-250 Super Duty XLT 5.4
  • 1999 - 2004 Ford F-250 Super Duty Lariat 5.4
  • 1999 - 2004 Ford F-250 Super Duty XL 6.8
  • 1999 - 2004 Ford F-250 Super Duty XLT 6.8
  • 1999 - 2004 Ford F-250 Super Duty XL 5.4
  • 1999 - 2004 Ford F-250 Super Duty Lariat 6.8
  • 2004 - 2004 Ford F-250 Super Duty King Ranch 5.4
  • 2004 - 2004 Ford F-250 Super Duty Harley-Davidson Edition 6.8
  • 2004 - 2004 Ford F-250 Super Duty King Ranch 6.8
  • 1999 - 2004 Ford F-350 Super Duty XLT 6.8
  • 1999 - 2004 Ford F-350 Super Duty XLT 5.4
  • 1999 - 2004 Ford F-350 Super Duty XL 5.4
  • 1999 - 2004 Ford F-350 Super Duty Lariat 5.4
  • 1999 - 2004 Ford F-350 Super Duty Lariat 6.8
  • 1999 - 2004 Ford F-350 Super Duty XL 6.8
  • 2004 - 2004 Ford F-350 Super Duty King Ranch 5.4
  • 2004 - 2004 Ford F-350 Super Duty Harley-Davidson Edition 6.8
  • 2004 - 2004 Ford F-350 Super Duty King Ranch 6.8
  • 2003 - 2005 Lincoln Navigator Base 5.4
  • 2006 - 2007 Lincoln Navigator Ultimate 5.4
  • 2006 - 2007 Lincoln Navigator Luxury 5.4
  • 2007 - 2007 Lincoln Navigator L Ultimate 5.4
  • 2007 - 2007 Lincoln Navigator L Luxury 5.4
  • 2008 - 2010 Lincoln Navigator L 5.4
  • 2008 - 2010 Lincoln Navigator Base 5.4

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 409S stainless steel and fully MIG welded for maximum durability.

Features

  • Durable fully welded 409SS stainless steel
  • Aggressive Sound Exterior Exhaust Tone
  • Noticeable interior resonance
  • Excellent Street/Strip and Off Road application
Automotive Item GradeHigh Performance
Body Height4
Body Length13
Body Width9.75
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 RequiredYes
Emission Code5
FinishPaint
FinishNatural
FitmentUniversal
Inlet Connection TypePipe Connection
Inlet Diameter3
Inlet PositionOffset
Material409 Stainless Steel
Mount TypeUses New Hangers (Not Included)
Muffler SeriesOriginal 40 Series
Muffler TypeChambered
Outlet Connection TypePipe Connection
Outlet Diameter3
Outlet PositionCenter
Overall Length19
Product TypeStreet Mufflers
ReversibleNo
Sale CategoryExhaust
ShapeOval
Sound LevelAggressive Sound
Type of MufflerChambered
Vehicle TypeLate Model Muscle Car
Vehicle TypeStreet Rod
Vehicle TypeTruck/SUV
Vehicle TypeClassic Muscle Car
Vehicle TypeStreet/Strip
  • 1994 - 1996 Dodge Ram 2500 Base 5.9
  • 1994 - 1996 Dodge Ram 3500 Base 5.9
  • 1987 - 1991 Chevrolet Blazer Silverado 5.7
  • 1987 - 1987 Chevrolet Blazer Custom Deluxe 5.7
  • 1988 - 1991 Chevrolet Blazer Scottsdale 5.7
  • 1987 - 1988 Chevrolet R10 Suburban Silverado 5.7
  • 1987 - 1988 Chevrolet R10 Suburban Silverado 6.2
  • 1987 - 1988 Chevrolet R10 Suburban Scottsdale 5.7
  • 1987 - 1988 Chevrolet R10 Suburban Scottsdale 6.2
  • 1987 - 1987 Chevrolet R10 Suburban Silverado 5.0
  • 1987 - 1987 Chevrolet R10 Suburban Custom Deluxe 5.0
  • 1987 - 1987 Chevrolet R10 Suburban Scottsdale 5.0
  • 1987 - 1987 Chevrolet R10 Suburban Custom Deluxe 5.7
  • 1987 - 1987 Chevrolet R10 Suburban Custom Deluxe 6.2
  • 1989 - 1991 Chevrolet R1500 Suburban Scottsdale 5.7
  • 1989 - 1991 Chevrolet R1500 Suburban Silverado 5.7
  • 2019 - 2023 Chevrolet Silverado 1500 LT Trail Boss 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 RST 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 LT 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 Custom Trail Boss 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 LTZ 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 High Country 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 WT 5.3
  • 2019 - 2023 Chevrolet Silverado 1500 Custom 5.3
  • 2019 - 2021 Chevrolet Silverado 1500 WT 4.3
  • 2019 - 2021 Chevrolet Silverado 1500 Custom 4.3
  • 2019 - 2021 Chevrolet Silverado 1500 SSV 5.3
  • 2019 - 2021 Chevrolet Silverado 1500 Custom Trail Boss 4.3
  • 2019 - 2020 Chevrolet Silverado 1500 WT Doble Cabina 4.3
  • 2019 - 2020 Chevrolet Silverado 1500 WT Cab Regular 4.3
  • 2023 - 2023 Chevrolet Silverado 1500 PPV 5.3
  • 1987 - 1988 Chevrolet V10 Suburban Scottsdale 6.2
  • 1987 - 1988 Chevrolet V10 Suburban Silverado 5.7
  • 1987 - 1988 Chevrolet V10 Suburban Scottsdale 5.7
  • 1987 - 1988 Chevrolet V10 Suburban Silverado 6.2
  • 1987 - 1987 Chevrolet V10 Suburban Custom Deluxe 5.7
  • 1987 - 1987 Chevrolet V10 Suburban Custom Deluxe 6.2
  • 1989 - 1991 Chevrolet V1500 Suburban Scottsdale 5.7
  • 1989 - 1991 Chevrolet V1500 Suburban Silverado 5.7
  • 1987 - 1987 Chevrolet V20 Suburban Custom Deluxe 7.4
  • 1987 - 1987 Chevrolet V20 Suburban Custom Deluxe 5.7
  • 1987 - 1991 GMC R1500 Suburban Base 5.7
  • 1987 - 1989 GMC R1500 Suburban Sierra Classic 5.7
  • 1987 - 1987 GMC R1500 Suburban High Sierra 5.7
  • 1987 - 1987 GMC R1500 Suburban Base 5.0
  • 1987 - 1987 GMC R1500 Suburban High Sierra 5.0
  • 1987 - 1987 GMC R1500 Suburban Sierra Classic 5.0
  • 1990 - 1990 GMC R1500 Suburban SLE 5.7
  • 1987 - 1991 GMC V1500 Suburban Base 5.7
  • 1987 - 1989 GMC V1500 Suburban Sierra Classic 5.7
  • 1987 - 1987 GMC V1500 Suburban High Sierra 5.7
  • 1990 - 1990 GMC V1500 Suburban SLE 5.7
  • 1987 - 1991 GMC Jimmy Base 5.7
  • 1987 - 1990 GMC Jimmy Sierra Classic 5.7
  • 2019 - 2023 GMC Sierra 1500 SLT 5.3
  • 2019 - 2023 GMC Sierra 1500 SLE 5.3
  • 2019 - 2023 GMC Sierra 1500 Denali 5.3
  • 2019 - 2023 GMC Sierra 1500 Elevation 5.3
  • 2019 - 2021 GMC Sierra 1500 Base 5.3
  • 2019 - 2021 GMC Sierra 1500 Base 4.3
  • 2019 - 2021 GMC Sierra 1500 AT4 5.3
  • 2022 - 2023 GMC Sierra 1500 Pro 5.3
  • 2003 - 2010 Ford Expedition XLT 5.4
  • 2003 - 2010 Ford Expedition Eddie Bauer 5.4
  • 2004 - 2004 Ford Expedition NBX 5.4
  • 2004 - 2004 Ford Expedition XLT Sport 5.4
  • 2005 - 2010 Ford Expedition Limited 5.4
  • 2005 - 2006 Ford Expedition XLS 5.4
  • 2006 - 2006 Ford Expedition XLT Sport 5.4
  • 2006 - 2006 Ford Expedition King Ranch 5.4
  • 2007 - 2010 Ford Expedition EL Limited 5.4
  • 2007 - 2010 Ford Expedition EL XLT 5.4
  • 2007 - 2010 Ford Expedition EL Eddie Bauer 5.4
  • 2008 - 2010 Ford Expedition EL King Ranch 5.4
  • 2008 - 2010 Ford Expedition King Ranch 5.4
  • 2008 - 2008 Ford Expedition Funkmaster Flex Edition 5.4
  • 1999 - 1999 Ford F-250 Base 5.4
  • 1999 - 1999 Ford F-250 Lariat 5.4
  • 1999 - 1999 Ford F-250 XL 5.4
  • 1999 - 1999 Ford F-250 XLT 5.4
  • 1999 - 2004 Ford F-250 Super Duty XLT 5.4
  • 1999 - 2004 Ford F-250 Super Duty Lariat 5.4
  • 1999 - 2004 Ford F-250 Super Duty XL 6.8
  • 1999 - 2004 Ford F-250 Super Duty XLT 6.8
  • 1999 - 2004 Ford F-250 Super Duty XL 5.4
  • 1999 - 2004 Ford F-250 Super Duty Lariat 6.8
  • 2004 - 2004 Ford F-250 Super Duty King Ranch 5.4
  • 2004 - 2004 Ford F-250 Super Duty Harley-Davidson Edition 6.8
  • 2004 - 2004 Ford F-250 Super Duty King Ranch 6.8
  • 1999 - 2004 Ford F-350 Super Duty XLT 6.8
  • 1999 - 2004 Ford F-350 Super Duty XLT 5.4
  • 1999 - 2004 Ford F-350 Super Duty XL 5.4
  • 1999 - 2004 Ford F-350 Super Duty Lariat 5.4
  • 1999 - 2004 Ford F-350 Super Duty Lariat 6.8
  • 1999 - 2004 Ford F-350 Super Duty XL 6.8
  • 2004 - 2004 Ford F-350 Super Duty King Ranch 5.4
  • 2004 - 2004 Ford F-350 Super Duty Harley-Davidson Edition 6.8
  • 2004 - 2004 Ford F-350 Super Duty King Ranch 6.8
  • 2003 - 2005 Lincoln Navigator Base 5.4
  • 2006 - 2007 Lincoln Navigator Ultimate 5.4
  • 2006 - 2007 Lincoln Navigator Luxury 5.4
  • 2007 - 2007 Lincoln Navigator L Ultimate 5.4
  • 2007 - 2007 Lincoln Navigator L Luxury 5.4
  • 2008 - 2010 Lincoln Navigator L 5.4
  • 2008 - 2010 Lincoln Navigator Base 5.4

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