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Flowmaster 8042543

40 Series Original Muffler Offset In/Offset Out: 2.5"



Flowmaster 8042543

Part Number: 389-8042543

40 Series Original Muffler
  • Offset In/Offset Out: 2.5"
  • Stainless Steel
  • $89.70
    Ships
    Flowmaster 8042543 40 Series Original Muffler Offset In/Offset Out: 2.5" $89.70

    Flowmaster 8042543 Details

    Offset In/Offset Out

  • 409S Stainless Steel
  • 3 Year Limited Warranty
  • Aggressive And Powerful Exterior Exhaust Tone
  • Notable Interior Resonance
  • Excellent Street/Strip And Off Road Application
  • No Internal Packing To Blowout
  • The Original Two Chamber Design
  • www.Flowmastermufflers.com

  • Specifications:

    Body Length (in.)
    13
    Overall Length (in.)
    19
    Inlet Size (in.)
    2.5
    Outlet Size (in.)
    2.5
    Body Height (in.)
    4
    Material
    409 Stainless Steel
    Body Width (in.)
    9.75
    Width (in.)
    9.75
    Shape
    Oval
    Inlet Type
    Single Offset Inlet
    Outlet Type
    Single Offset Outlet
    Position
    N/A
    Inlet Position
    Offset
    Outlet Position
    Offset
    Body Length (in.)
    13.0
    Inlet Connection Type
    Pipe Connection
    Inlet Diameter (in.)
    2.5
    Case Length (in.)
    13
    Case Shape
    Oval
    Inlet Quantity
    One
    Internal Construction
    Chambered
    Muffler Finish
    Gray
    Muffler Material
    Stainless steel
    Outlet Style
    Standard, without tip
    Quantity
    Sold individually
    Outlet Quantity
    One
    Thickness (in.)
    4
    Inlet Location
    Offset
    Outlet Location
    Offset
    Outlet Diameter (in.)
    2.5
    Manufacturer's Part Number:
    8042543

    The muffler that started it all: Flowmaster's 40 Series. Made of aluminized or stainless steel, these are the most aggressive sounding street/strip mufflers in the Flowmaster lineup. They also create resonance in the vehicle so, if you want "surround sound" from your exhaust, look no further.


    Features
  • For street and strip applications
  • Loud, aggressive sound with interior resonance
  • Case: 13" L (4" Thick)
  • Overall: 19" L x 9.75" W
  • Aluminized steel or 409S stainless steel (stainless has limited lifetime warranty)
  • Stainless mufflers are painted dark grey metallic to improve resistance from the elements
  • MIG welded for maximum durability

  • Does Flowmaster 8042543 fit your vehicle?

    Narrow Results

    1980-1981 CHEVROLET BLAZER K5

    • EngineType: V8
    • SubModel: SILVERADO

    1975 CHEVROLET K10 PICKUP

    • EngineType: V8
    • SubModel: SILVERADO

    1979-1980 CHEVROLET C30 PICKUP

    • EngineType: V8
    • SubModel: SCOTTSDALE

    1988-1993 CHEVROLET C1500 PICKUP

    • EngineType: V6
    • SubModel: SILVERADO

    1976 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SILVERADO

    2005-2009 DODGE DAKOTA

    • EngineType: ALL
    • SubModel: ST

    1978 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1988-1993 CHEVROLET C2500 PICKUP

    • EngineType: V6
    • SubModel: CHEYENNE

    1977-1981 GMC JIMMY

    • EngineType: V8
    • SubModel: BASE

    1976 CHEVROLET K10 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: SILVERADO

    1997-2008 FORD F-150

    • EngineType: V8
    • SubModel: XL

    1978 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SCOTTSDALE

    2008 DODGE DAKOTA

    • Liter: 4.7
    • SubModel: SPORT
    • CUI: 285
    • EngineType: V8

    1976-1977 CHEVROLET C30 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: SILVERADO

    1977-1978 CHEVROLET K30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1988-1992 CHEVROLET C2500 PICKUP

    • EngineType: V6
    • SubModel: SCOTTSDALE

    1973 GMC JIMMY

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1976 CHEVROLET K5 BLAZER

    • Liter: 6.6
    • EngineType: V8
    • SubModel: CHEYENNE

    1975 CHEVROLET K20 PICKUP

    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1997-2000 FORD F-150

    • EngineType: ALL
    • SubModel: BASE

    1998-2003 FORD F-150

    • EngineType: ALL
    • SubModel: XLT

    1977 CHEVROLET K10 PICKUP

    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    2007 DODGE DAKOTA

    • Liter: 3.7
    • SubModel: LARAMIE
    • CUI: 226
    • EngineType: V6

    1988 CHEVROLET K1500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1977 CHEVROLET K30 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: SILVERADO

    1979-1980 CHEVROLET BLAZER K5

    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1997 FORD EXPEDITION

    • Liter: 5.4
    • SubModel: EDDIE BAUER
    • CUI: 330
    • EngineType: V8

    1968 CHEVROLET CHEVELLE

    • Liter: 5.4
    • EngineType: V8
    • SubModel: MALIBU

    2009 DODGE DAKOTA

    • EngineType: ALL
    • SubModel: LARAMIE

    1968 CHEVROLET CHEVELLE

    • Liter: 6.5
    • EngineType: V8
    • SubModel: 300

    1988-1993 CHEVROLET K2500 PICKUP

    • EngineType: V6
    • SubModel: CHEYENNE

    1977-1978 CHEVROLET C20 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1975-1978 CHEVROLET C30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1988-1993 CHEVROLET K1500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CHEYENNE

    2003-2005 DODGE DAKOTA

    • EngineType: ALL
    • SubModel: SPORT

    1975 CHEVROLET K10 PICKUP

    • EngineType: V8
    • SubModel: SCOTTSDALE

    2008-2009 DODGE DAKOTA

    • EngineType: ALL
    • SubModel: SXT

    1975-1977 CHEVROLET C30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SILVERADO

    1977-1978 CHEVROLET K5 BLAZER

    • EngineType: V8
    • SubModel: CHEYENNE

    2007-2008 FORD F-150

    • EngineType: ALL
    • SubModel: FX2

    2010-2011 CHEVROLET CAMARO

    • CC: 6162
    • Liter: 6.2
    • SubModel: SS
    • EngineType: V8

    1975 GMC JIMMY

    • EngineType: V8
    • SubModel: BASE

    1976-1978 CHEVROLET K20 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    2010 FORD MUSTANG

    • EngineType: ALL
    • SubModel: SHELBY GT500

    1977 CHEVROLET K10 PICKUP

    • EngineType: V8
    • SubModel: SILVERADO

    2007-2008 FORD MUSTANG

    • EngineType: ALL
    • SubModel: SHELBY GT

    2006-2008 DODGE DAKOTA

    • Liter: 3.7
    • SubModel: SLT
    • CUI: 226
    • EngineType: V6

    1975 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SILVERADO

    1977 CHEVROLET K30 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1990-1993 CHEVROLET C1500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: WT

    1975 CHEVROLET K5 BLAZER

    • EngineType: V8
    • SubModel: CHEYENNE

    1978-1980 CHEVROLET C10 PICKUP

    • EngineType: V8
    • SubModel: BIG TEN

    2005-2006 DODGE DAKOTA

    • EngineType: ALL
    • SubModel: LARAMIE

    1999-2002 FORD EXPEDITION

    • Liter: 4.6
    • Aspiration: N
    • SubModel: XLT
    • Engine Vin: W
    • CUI: 281
    • EngineType: V8

    1990-1993 CHEVROLET K1500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: WT

    1979-1980 CHEVROLET K10 PICKUP

    • EngineType: V8
    • SubModel: SCOTTSDALE

    2005 DODGE DAKOTA

    • Liter: 3.7
    • Aspiration: N
    • SubModel: SLT
    • Engine Vin: K
    • CUI: 226
    • EngineType: V6

    1977-1980 CHEVROLET K30 PICKUP

    • EngineType: V8
    • SubModel: CHEYENNE

    2010 FORD MUSTANG

    • Liter: 4.6
    • Aspiration: N
    • SubModel: GT
    • Engine Vin: H
    • CUI: 281
    • EngineType: V8

    1965-1966 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1979-1980 CHEVROLET K30 PICKUP

    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1979-1980 CHEVROLET C30 PICKUP

    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1976 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1964-1967 CHEVROLET CHEVELLE

    • Liter: 4.6
    • EngineType: V8
    • SubModel: SS

    1977 CHEVROLET K30 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1973-1974 GMC JIMMY

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1976-1977 CHEVROLET K20 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1968-1969 CHEVROLET CHEVELLE

    • Liter: 6.5
    • EngineType: V8
    • SubModel: NOMAD

    1997-2002 FORD EXPEDITION

    • Liter: 4.6
    • EngineType: V8
    • SubModel: EDDIE BAUER

    1978 CHEVROLET C30 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1988-1993 CHEVROLET K1500 PICKUP

    • EngineType: V6
    • SubModel: SILVERADO

    1999-2002 FORD EXPEDITION

    • Liter: 5.4
    • EngineType: V8
    • SubModel: XLT

    1988-1993 CHEVROLET C2500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SILVERADO

    1977 CHEVROLET K10 PICKUP

    • EngineType: V8
    • SubModel: SCOTTSDALE

    1977-1978 CHEVROLET K30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1997-2004 DODGE DAKOTA

    • EngineType: V6
    • SubModel: BASE

    1977-1978 CHEVROLET K5 BLAZER

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1997-1998 FORD EXPEDITION

    • Liter: 4.6
    • SubModel: XLT
    • CUI: 281
    • EngineType: V8

    1975-1980 CHEVROLET C30 PICKUP

    • EngineType: V8
    • SubModel: CHEYENNE

    2005-2009 DODGE DAKOTA

    • EngineType: V8
    • SubModel: SLT

    2008 DODGE DAKOTA

    • Liter: 4.7
    • SubModel: TRX4
    • CUI: 285
    • EngineType: V8

    1998-2003 FORD F-150

    • Liter: 4.2
    • Aspiration: N
    • SubModel: XL
    • Engine Vin: 2
    • CUI: 256
    • EngineType: V6

    1969 CHEVROLET CHEVELLE

    • Liter: 6.5
    • EngineType: V8
    • SubModel: CONCOURS ESTATE

    1979-1980 CHEVROLET C20 PICKUP

    • EngineType: V8
    • SubModel: SCOTTSDALE

    1974 CHEVROLET BLAZER

    • CC: 7439
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1988-1992 CHEVROLET K2500 PICKUP

    • EngineType: V6
    • SubModel: SCOTTSDALE

    2008 DODGE DAKOTA

    • Liter: 4.7
    • SubModel: LARAMIE
    • CUI: 285
    • EngineType: V8

    1976 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1976 GMC JIMMY

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1979-1980 CHEVROLET K10 PICKUP

    • EngineType: V8
    • SubModel: SILVERADO

    1975-1980 CHEVROLET K20 PICKUP

    • EngineType: V8
    • SubModel: CHEYENNE

    1979-1980 CHEVROLET C10 PICKUP

    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    2008 DODGE DAKOTA

    • EngineType: V6
    • SubModel: SPORT

    1979-1981 GMC JIMMY

    • EngineType: V8
    • SubModel: SIERRA CLASSIC

    1976 CHEVROLET K10 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1988-1993 CHEVROLET C1500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CHEYENNE

    1975-1976 CHEVROLET K5 BLAZER

    • EngineType: V8
    • SubModel: BASE

    1968-1969 CHEVROLET CHEVELLE

    • Liter: 6.5
    • EngineType: V8
    • SubModel: 300 DELUXE

    1979-1980 CHEVROLET C20 PICKUP

    • EngineType: V8
    • SubModel: SILVERADO

    1964 CHEVROLET CHEVELLE

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE
    8042543 - Flowmaster 40 Series Original Mufflers is rated 5.0 out of 5 by 4.
    • 2016-09-26T08:33CST
    • bvseo_cps, prod_bvrr, vn_cps_3.4.0
    • cp_1, bvpage1
    • co_hasreviews, tv_1, tr_3
    • loc_en_US, sid_10001_10001_1199743, PRD, sort_relevancy
    • clientName_jegs
    Rated 5 out of 5 by from Great set of mufflers! The quality and sound are great, just as loud as I'd hoped they would be. They are loud and do cause interior resonance especially in an older Vette where the cabin is so tight but I love the way they sound. And as always a great experience from Jegs.
    Date published: 2016-03-14
    Rated 5 out of 5 by from IT BREATHES !!! PUT A SET ON MY CHALLENGER WITH A SET OF LONG TUBE HEADERS...WHAT A DIFFERENCE !! GREAT SOUND AND PERFORMANCE GAIN !!
    Date published: 2015-12-12
    Rated 5 out of 5 by from Easy ordering process Nothing like the original 40 series flowmasters, my 68 fastback sounds great! Thanks Jegs!
    Date published: 2015-08-26
    • 2016-09-26T08:33CST
    • bvseo_cps, prod_bvrr, vn_cps_3.4.0
    • cp_1, bvpage1
    • co_hasreviews, tv_1, tr_3
    • loc_en_US, sid_10001_10001_1199743, PRD, sort_relevancy
    • clientName_jegs
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