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    • Flowmaster 40 Delta Flow®  - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound 942443
    • Flowmaster 40 Delta Flow®  - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound 942443
    • Flowmaster 40 Delta Flow®  - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound 942443
    • 40 Series Delta Flow Chambered Muffler 40 Delta Flow 2.25 Offset In 2.25 Offset Out Aggressive Sound Flowmaster
    • 40 Series Delta Flow Chambered Muffler 40 Delta Flow 2.25 Offset In 2.25 Offset Out Aggressive Sound Flowmaster
    • 40 Series Delta Flow Chambered Muffler 40 Delta Flow 2.25 Offset In 2.25 Offset Out Aggressive Sound Flowmaster
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    Sale!

    Flowmaster 40 Delta Flow® - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound 942443

    Vendor: Flowmaster
    Part Number: 942443
    Save $102
    Sale Price $79.95 Regular Price $181.95

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    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.


    Flowmaster 40 Delta Flow® - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound 942443


    Specifications:

    Description_ABR MUFF 2.25IN
    Description_SHO FM40SRS OFF/OFF 2.25
    Description_INV 2.25 IN(O)/OUT(O) 40 SERIES DF
    Description_ASC Universal Muffler - Some adaptation may be required.
    Description_DES Flowmaster 40 Series Delta Flow Chambered Muffler
    Description_EXT 40 Delta Flow® - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound
    Description_MKT 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.
    Description_FAB Durable fully welded 16 gauge aluminized steel
    Description_FAB Race proven Delta Flow technology
    Description_FAB Excellent Street/Strip and Off Road application
    Description_FAB No internal packing to blowout
    Description_ABR MUFF 2.25IN
    Description_SHO FM40SRS OFF/OFF 2.25
    Description_INV 2.25 IN(O)/OUT(O) 40 SERIES DF
    Description_ASC Universal Muffler - Some adaptation may be required.
    Description_DES Flowmaster 40 Series Delta Flow Chambered Muffler
    Description_EXT 40 Delta Flow® - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound
    Description_MKT 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.
    Description_FAB Durable fully welded 16 gauge aluminized steel
    Description_FAB Race proven Delta Flow technology
    Description_FAB Excellent Street/Strip and Off Road application
    Description_FAB No internal packing to blowout
    614 4.00
    615 13.00
    621 Aluminized Steel
    616 9.75
    California Proposition 65 No
    1882 No
    17 Black
    1161 0
    Exhaust Tip Quantity Sold Separately
    Finish High-Temperature Paint
    3390 Performance
    617 No
    618 No
    601 2.25
    619 Offset
    1171 2.38
    620 1
    596 Weld-On
    596 Clamp-On
    1174 Chambered
    622 2.25
    304 Offset
    1172 2.38
    623 1
    8971 19.00
    624 No
    33 Oval
    Sound Level Aggressive
    626 No
    3145 Universal
    Brand Flowmaster
    Category Exhaust
    Emission Code 5
    Fitment Universal
    Inlet Diameter 2.25
    Muffler Series 40 Series Delta Flow
    Product Type Street Mufflers
    Vehicle Type Street Rod
    Vehicle Type Late Model Muscle Car
    Vehicle Type 4/6 CYL Engine
    Vehicle Type Truck/SUV
    Vehicle Type Classic Muscle Car
    Vehicle Type Street/Strip
    9957 Slip-Fit
    9958 Slip-Fit
    part type Exhaust Muffler
    Sub Category Mufflers
    614 4.00
    615 13.00
    621 Aluminized Steel
    616 9.75
    California Proposition 65 No
    1882 No
    17 Black
    1161 0
    Exhaust Tip Quantity Sold Separately
    Finish High-Temperature Paint
    3390 Performance
    617 No
    618 No
    601 2.25
    619 Offset
    1171 2.38
    620 1
    596 Weld-On
    596 Clamp-On
    1174 Chambered
    622 2.25
    304 Offset
    1172 2.38
    623 1
    8971 19.00
    624 No
    33 Oval
    Sound Level Aggressive
    626 No
    3145 Universal
    Brand Flowmaster
    Category Exhaust
    Emission Code 5
    Fitment Universal
    Inlet Diameter 2.25
    Muffler Series 40 Series Delta Flow
    Product Type Street Mufflers
    Vehicle Type Street Rod
    Vehicle Type Late Model Muscle Car
    Vehicle Type 4/6 CYL Engine
    Vehicle Type Truck/SUV
    Vehicle Type Classic Muscle Car
    Vehicle Type Street/Strip
    9957 Slip-Fit
    9958 Slip-Fit
    part type Exhaust Muffler
    Sub Category Mufflers


    This Part Fits:

    Year Make Model Submodel Notes
    1969 Chevrolet Camaro Base
    1970 Chevrolet Camaro Base
    1971 Chevrolet Camaro Base
    1972 Chevrolet Camaro Base
    1973 Chevrolet Camaro Base
    1974 Chevrolet Camaro Base
    1975 Chevrolet Camaro Base
    1976 Chevrolet Camaro Base
    1977 Chevrolet Camaro Base
    1978 Chevrolet Camaro Base
    1979 Chevrolet Camaro Base
    1980 Chevrolet Camaro Base
    1979 Chevrolet Camaro Berlinetta
    1980 Chevrolet Camaro Berlinetta
    1981 Chevrolet Camaro Berlinetta
    1973 Chevrolet Camaro LT
    1974 Chevrolet Camaro LT
    1975 Chevrolet Camaro LT
    1976 Chevrolet Camaro LT
    1977 Chevrolet Camaro LT
    1978 Chevrolet Camaro LT
    1976 Chevrolet Camaro LT Rally Sport
    1977 Chevrolet Camaro LT Rally Sport
    1978 Chevrolet Camaro LT Rally Sport
    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
    1981 Chevrolet Camaro Sport
    1967 Chevrolet Camaro SS
    1968 Chevrolet Camaro SS
    1969 Chevrolet Camaro SS
    1970 Chevrolet Camaro SS
    1971 Chevrolet Camaro SS
    1972 Chevrolet Camaro SS
    1968 Chevrolet Impala Base
    1969 Chevrolet Impala Base
    1970 Chevrolet Impala Base
    1971 Chevrolet Impala Base
    1972 Chevrolet Impala Base
    1973 Chevrolet Impala Base
    1965 Chevrolet Impala SS
    1965 Chevrolet Impala SS
    1965 Chevrolet Impala SS
    1966 Chevrolet Impala SS
    1966 Chevrolet Impala SS
    1966 Chevrolet Impala SS
    1966 Chevrolet Impala SS
    1967 Chevrolet Impala SS
    1967 Chevrolet Impala SS
    1967 Chevrolet Impala SS
    1967 Chevrolet Impala SS
    1994 Chevrolet Impala SS
    1995 Chevrolet Impala SS
    1996 Chevrolet Impala SS
    2005 Chrysler 300 Base
    2006 Chrysler 300 Base
    2007 Chrysler 300 Base
    2011 Chrysler 300 Base
    2012 Chrysler 300 Base
    2013 Chrysler 300 Base
    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 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
    2008 Chrysler 300 LX
    2009 Chrysler 300 LX
    2010 Chrysler 300 S
    2010 Chrysler 300 S
    2012 Chrysler 300 S
    2012 Chrysler 300 S
    2013 Chrysler 300 S
    2009 Chrysler 300 Signature Series
    2005 Chrysler 300 Touring
    2006 Chrysler 300 Touring
    2007 Chrysler 300 Touring
    2008 Chrysler 300 Touring
    2009 Chrysler 300 Touring
    2010 Chrysler 300 Touring
    2010 Chrysler 300 Touring
    2011 Chrysler 300 Touring
    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
    2012 Dodge Challenger R/T Classic
    2009 Dodge Challenger SE
    2010 Dodge Challenger SE
    2011 Dodge Challenger SE
    2012 Dodge Challenger SXT
    2013 Dodge Challenger SXT
    2012 Dodge Challenger SXT Plus
    2006 Dodge Charger Base
    2007 Dodge Charger Base
    2010 Dodge Charger R/T
    2006 Dodge Charger SE
    2007 Dodge Charger SE
    2007 Dodge Charger SE
    2008 Dodge Charger SE
    2008 Dodge Charger SE
    2009 Dodge Charger SE
    2009 Dodge Charger SE
    2010 Dodge Charger SE
    2010 Dodge Charger SE
    2010 Dodge Charger SE
    2006 Dodge Charger SXT
    2007 Dodge Charger SXT
    2008 Dodge Charger SXT
    2009 Dodge Charger SXT
    2010 Dodge Charger SXT
    2005 Dodge Magnum SE
    2006 Dodge Magnum SE
    2007 Dodge Magnum SE
    2007 Dodge Magnum SE
    2008 Dodge Magnum SE
    2008 Dodge Magnum SE
    2005 Dodge Magnum SXT
    2006 Dodge Magnum SXT
    2007 Dodge Magnum SXT
    2008 Dodge Magnum SXT
    2005 Dodge Magnum SXT Special Edition
    2005 Ford Mustang Base
    2006 Ford Mustang Base
    2007 Ford Mustang Base
    2008 Ford Mustang Base
    2009 Ford Mustang Base
    2010 Ford Mustang Base
    2012 Ford Mustang Base
    2013 Ford Mustang Base
    1967 Pontiac Firebird 326
    1968 Pontiac Firebird 350
    1969 Pontiac Firebird 350
    1969 Pontiac Firebird 350 HO
    1967 Pontiac Firebird 400
    1968 Pontiac Firebird 400
    1969 Pontiac Firebird 400
    1967 Pontiac Firebird Base
    1967 Pontiac Firebird Base
    1967 Pontiac Firebird Base
    1968 Pontiac Firebird Base
    1968 Pontiac Firebird Base
    1968 Pontiac Firebird Base
    1969 Pontiac Firebird Base
    1969 Pontiac Firebird Base
    1969 Pontiac Firebird Base
    1970 Pontiac Firebird Base
    1970 Pontiac Firebird Base
    1970 Pontiac Firebird Base
    1971 Pontiac Firebird Base
    1971 Pontiac Firebird Base
    1971 Pontiac Firebird Base
    1971 Pontiac Firebird Base
    1972 Pontiac Firebird Base
    1972 Pontiac Firebird Base
    1972 Pontiac Firebird Base
    1972 Pontiac Firebird Base
    1973 Pontiac Firebird Base
    1973 Pontiac Firebird Base
    1973 Pontiac Firebird Base
    1973 Pontiac Firebird Base
    1974 Pontiac Firebird Base
    1974 Pontiac Firebird Base
    1974 Pontiac Firebird Base
    1974 Pontiac Firebird Base
    1975 Pontiac Firebird Base
    1975 Pontiac Firebird Base
    1975 Pontiac Firebird Base
    1976 Pontiac Firebird Base
    1976 Pontiac Firebird Base
    1976 Pontiac Firebird Base
    1977 Pontiac Firebird Base
    1977 Pontiac Firebird Base
    1977 Pontiac Firebird Base
    1977 Pontiac Firebird Base
    1977 Pontiac Firebird Base
    1978 Pontiac Firebird Base
    1978 Pontiac Firebird Base
    1978 Pontiac Firebird Base
    1979 Pontiac Firebird Base
    1979 Pontiac Firebird Base
    1979 Pontiac Firebird Base
    1979 Pontiac Firebird Base
    1980 Pontiac Firebird Base
    1980 Pontiac Firebird Base
    1980 Pontiac Firebird Base
    1980 Pontiac Firebird Base
    1981 Pontiac Firebird Base
    1981 Pontiac Firebird Base
    1981 Pontiac Firebird Base
    1981 Pontiac Firebird Base
    1970 Pontiac Firebird Esprit
    1970 Pontiac Firebird Esprit
    1970 Pontiac Firebird Esprit
    1971 Pontiac Firebird Esprit
    1971 Pontiac Firebird Esprit
    1971 Pontiac Firebird Esprit
    1971 Pontiac Firebird Esprit
    1972 Pontiac Firebird Esprit
    1972 Pontiac Firebird Esprit
    1972 Pontiac Firebird Esprit
    1972 Pontiac Firebird Esprit
    1973 Pontiac Firebird Esprit
    1973 Pontiac Firebird Esprit
    1973 Pontiac Firebird Esprit
    1973 Pontiac Firebird Esprit
    1974 Pontiac Firebird Esprit
    1974 Pontiac Firebird Esprit
    1974 Pontiac Firebird Esprit
    1974 Pontiac Firebird Esprit
    1975 Pontiac Firebird Esprit
    1975 Pontiac Firebird Esprit
    1976 Pontiac Firebird Esprit
    1976 Pontiac Firebird Esprit
    1976 Pontiac Firebird Esprit
    1977 Pontiac Firebird Esprit
    1977 Pontiac Firebird Esprit
    1977 Pontiac Firebird Esprit
    1977 Pontiac Firebird Esprit
    1978 Pontiac Firebird Esprit
    1978 Pontiac Firebird Esprit
    1978 Pontiac Firebird Esprit
    1979 Pontiac Firebird Esprit
    1979 Pontiac Firebird Esprit
    1979 Pontiac Firebird Esprit
    1979 Pontiac Firebird Esprit
    1980 Pontiac Firebird Esprit
    1980 Pontiac Firebird Esprit
    1980 Pontiac Firebird Esprit
    1980 Pontiac Firebird Esprit
    1981 Pontiac Firebird Esprit
    1981 Pontiac Firebird Esprit
    1981 Pontiac Firebird Esprit
    1981 Pontiac Firebird Esprit
    1970 Pontiac Firebird Formula
    1970 Pontiac Firebird Formula
    1971 Pontiac Firebird Formula
    1971 Pontiac Firebird Formula
    1971 Pontiac Firebird Formula
    1972 Pontiac Firebird Formula
    1972 Pontiac Firebird Formula
    1972 Pontiac Firebird Formula
    1973 Pontiac Firebird Formula
    1973 Pontiac Firebird Formula
    1973 Pontiac Firebird Formula
    1974 Pontiac Firebird Formula
    1974 Pontiac Firebird Formula
    1974 Pontiac Firebird Formula
    1975 Pontiac Firebird Formula
    1975 Pontiac Firebird Formula
    1976 Pontiac Firebird Formula
    1976 Pontiac Firebird Formula
    1977 Pontiac Firebird Formula
    1977 Pontiac Firebird Formula
    1977 Pontiac Firebird Formula
    1977 Pontiac Firebird Formula
    1978 Pontiac Firebird Formula
    1978 Pontiac Firebird Formula
    1978 Pontiac Firebird Formula
    1979 Pontiac Firebird Formula
    1979 Pontiac Firebird Formula
    1979 Pontiac Firebird Formula
    1979 Pontiac Firebird Formula
    1980 Pontiac Firebird Formula
    1980 Pontiac Firebird Formula
    1981 Pontiac Firebird Formula
    1981 Pontiac Firebird Formula
    1981 Pontiac Firebird Formula
    1981 Pontiac Firebird Formula
    1981 Pontiac Firebird Formula
    1967 Pontiac Firebird HO
    1967 Pontiac Firebird HO
    1968 Pontiac Firebird HO
    1967 Pontiac Firebird Sprint
    1968 Pontiac Firebird Sprint
    1969 Pontiac Firebird Sprint
    1969 Pontiac Firebird Trans Am
    1970 Pontiac Firebird Trans Am
    1970 Pontiac Firebird Trans Am
    1971 Pontiac Firebird Trans Am
    1971 Pontiac Firebird Trans Am
    1972 Pontiac Firebird Trans Am
    1972 Pontiac Firebird Trans Am
    1973 Pontiac Firebird Trans Am
    1973 Pontiac Firebird Trans Am
    1974 Pontiac Firebird Trans Am
    1974 Pontiac Firebird Trans Am
    1975 Pontiac Firebird Trans Am
    1975 Pontiac Firebird Trans Am
    1976 Pontiac Firebird Trans Am
    1976 Pontiac Firebird Trans Am
    1977 Pontiac Firebird Trans Am
    1978 Pontiac Firebird Trans Am
    1979 Pontiac Firebird Trans Am
    1979 Pontiac Firebird Trans Am
    1980 Pontiac Firebird Trans Am
    1980 Pontiac Firebird Trans Am
    1981 Pontiac Firebird Trans Am
    1981 Pontiac Firebird Trans Am
    1981 Pontiac Firebird Trans Am
    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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