12 Days of Christmas
1-800-345-4545
FREE SHIPPING!
Orders Over $95
Same Day Shipping Before 11 PM ET
0
My Cart
$0.00
Shop By Vehicle
Shop By
Category
All Categories

Rebates
Gift Certificates
My Account
E-Mail Signup
Catalog Request
Help

Flowmaster 842543

40 Delta Flow Muffler Offset In/Offset Out: 2.5"

Flowmaster 842543

389-842543

jegs shipping
FREE Shipping
Ships
Flowmaster 842543 40 Delta Flow Muffler Offset In/Offset Out: 2.5" $111.31
40 Delta Flow Muffler
  • Offset In/Offset Out: 2.5"
  • Stainless Steel

  • Flowmaster 842543 Details

    Offset In/Offset Out

  • Durable Fully Welded 409 Stainless Steel
  • Limited Lifetime Warranty
  • Aggressive To Moderate Exterior Exhaust Note
  • Reduced Interior Resonance
  • Excellent Street/Strip And Off Road Application
  • No Internal Packing To Blowout
  • Race Proven Patented Delta Flow Technology
  • 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
    Sound Level
    Aggressive Sound
    Muffler Type
    Reflection
    Inlet Diameter (in.)
    2.5
    Case Length (in.)
    13
    Case Shape
    Oval
    Inlet Quantity
    One
    Internal Construction
    Chambered
    Muffler Finish
    Dark 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:
    842543

    The Quietest 2-Chamber Muffler

    Flowmaster's 40 Series Delta Flow Mufflers incorporates Flowmaster’s patented Delta Flow technology into a 2-chamber design. The “Delta” deflectors generate increased scavenging for better performance and reduced interior sound. Perfect for vehicles where an aggressive exterior tone is desired with reduced interior tone. These mufflers are the quietest option in the 40 Series 2-chambered lineup.

    Features:
  • Aggressive exterior tone with reduced interior note.
  • Advanced 2-chamber design with Delta Flow technology.
  • Aluminized steel or 409S stainless steel.
  • Fully MIG-welded.

  • Does Flowmaster 842543 fit your vehicle?

    Narrow Results
    Filter By
    Year
    Filter By
    Make
    Filter By
    Model
    Filter By
    SubModel
    Filter By
    EngineType
    Filter By
    CC
    Filter By
    Liter
    Filter By
    Aspiration

    2006-2007 DODGE DAKOTA

    • CC: 3701
    • Liter: 3.7
    • SubModel: SLT
    • CUI: 226
    • EngineType: V6 ( 3.7 L / 226 )

    1970-1972 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • SubModel: NOMAD
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1997 FORD EXPEDITION

    • CC: 5409
    • Liter: 5.4
    • SubModel: EDDIE BAUER
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2008 FORD F-150

    • EngineType: ALL
    • SubModel: THE 60TH ANNIVERSARY EDITION

    1982-1983 OLDSMOBILE CUTLASS CALAIS

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1988-1993 GMC C2500 PICKUP

    • Liter: 4.3
    • SubModel: SIERRA SLE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1976-1978 CHEVROLET K20 PICKUP

    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980 CHEVROLET C10 PICKUP

    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1979 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 CHEVROLET BLAZER K5

    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2012 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: SS

    1975-1980 CHEVROLET C20 PICKUP

    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1997-2008 FORD F-150

    • Liter: 4.6
    • SubModel: XL
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    1978-1979 OLDSMOBILE CUTLASS SALON

    • EngineType: ALL
    • SubModel: 442

    1967 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1977-1979 CHEVROLET C20 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1988-1992 CHEVROLET K1500 PICKUP

    • Liter: 4.3
    • SubModel: SCOTTSDALE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1988-1993 GMC C2500 PICKUP

    • Liter: 4.3
    • SubModel: SIERRA SLX
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1980 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: LS
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2007-2010 FORD MUSTANG

    • EngineType: ALL
    • SubModel: SHELBY GT500

    1976 CHEVROLET K10 PICKUP

    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    2001-2002 LINCOLN NAVIGATOR

    • Liter: 5.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2007 DODGE DAKOTA

    • CC: 3701
    • Liter: 3.7
    • SubModel: LARAMIE
    • CUI: 226
    • EngineType: V6 ( 3.7 L / 226 )

    1982-1986 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1988 CHEVROLET K1500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1980 CHEVROLET C20 PICKUP

    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1993 GMC K1500

    • Liter: 4.3
    • SubModel: SIERRA SPORT
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1980 CHEVROLET K20 PICKUP

    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • SubModel: BROUGHAM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1981 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • SubModel: BROUGHAM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1983 OLDSMOBILE CUTLASS CALAIS

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1997-2000 FORD F-150

    • Liter: 5.4
    • SubModel: BASE
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    1976-1979 CHEVROLET C30 PICKUP

    • Liter: 6.6
    • SubModel: SCOTTSDALE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    2008 FORD F-150

    • EngineType: ALL
    • SubModel: LIMITED

    1980 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: LS
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1998-2003 DODGE DAKOTA

    • EngineType: ALL
    • SubModel: R/T

    1975-1980 CHEVROLET C20 PICKUP

    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1988-1992 CHEVROLET K1500 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1967 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: DELUXE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1988-1993 GMC C2500 PICKUP

    • Liter: 5.0
    • SubModel: SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1988-1992 GMC K1500 PICKUP

    • Liter: 4.3
    • SubModel: SIERRA SLX
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1970-1972 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • SubModel: GREENBRIER
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1977-1978 CHEVROLET K5 BLAZER

    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971-1972 CHEVROLET CHEVELLE

    • CC: 6555
    • Liter: 6.6
    • SubModel: NOMAD
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1997-2000 FORD F-150

    • Liter: 4.6
    • SubModel: BASE
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    1978-1979 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1981 GMC JIMMY

    • Liter: 5.7
    • SubModel: STREET COUPE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1977 CHEVROLET C30 PICKUP

    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1988-1993 GMC C1500 PICKUP

    • Liter: 4.3
    • SubModel: SIERRA SLX
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1988-1993 CHEVROLET C1500 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1980 CHEVROLET K20 PICKUP

    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1993 GMC C2500 PICKUP

    • Liter: 5.0
    • SubModel: SIERRA SLX
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    2000-2002 DODGE DAKOTA

    • Liter: 5.9
    • SubModel: SPORT
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1967 CHEVROLET CHEVELLE

    • Liter: 4.6
    • SubModel: CONCOURS
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1975-1980 CHEVROLET C20 PICKUP

    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1979 CHEVROLET C30 PICKUP

    • Liter: 6.6
    • SubModel: CHEYENNE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1980 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1979 CHEVROLET K10 PICKUP

    • Liter: 6.6
    • SubModel: CHEYENNE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1980 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1993 CHEVROLET C1500 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: CHEYENNE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    2008-2009 FORD MUSTANG

    • EngineType: ALL
    • SubModel: SHELBY GT500KR

    1979 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • SubModel: BROUGHAM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1981 CHEVROLET BLAZER K5

    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978 CHEVROLET K5 BLAZER

    • Liter: 6.6
    • SubModel: CHEYENNE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 CHEVROLET CHEVELLE

    • CC: 6555
    • Liter: 6.6
    • SubModel: MALIBU
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971 CHEVROLET CHEVELLE

    • CC: 5031
    • Liter: 5.0
    • SubModel: SS
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    2000-2003 FORD F-150

    • EngineType: ALL
    • SubModel: HARLEY-DAVIDSON EDITION

    1988-1993 CHEVROLET K1500 PICKUP

    • Liter: 4.3
    • SubModel: CHEYENNE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1978-1979 CHEVROLET C10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BIG TEN
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    2004-2008 FORD F-150

    • EngineType: ALL
    • SubModel: FX4

    1968-1969 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: 300 DELUXE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    2002-2003 DODGE DAKOTA

    • Liter: 4.7
    • SubModel: BASE
    • CUI: 285
    • EngineType: V8 ( 4.7 L / 285 )

    1990-1993 CHEVROLET K1500 PICKUP

    • Liter: 4.3
    • SubModel: WT
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1976 CHEVROLET K10 PICKUP

    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1993 CHEVROLET K2500 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: CHEYENNE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1970-1972 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • SubModel: MALIBU
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1998-1999 LINCOLN NAVIGATOR

    • Liter: 5.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    1993 GMC K1500

    • Liter: 4.3
    • SubModel: SIERRA SLE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    2000-2002 DODGE DAKOTA

    • Liter: 5.9
    • SubModel: SLT
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1978-1979 OLDSMOBILE CUTLASS

    • Liter: 5.0
    • SubModel: VISTA CRUISER
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1979 GMC JIMMY

    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1980 CHEVROLET C10 PICKUP

    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981-1983 OLDSMOBILE CUTLASS CRUISER

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1990-1993 CHEVROLET C1500 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: WT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 CHEVROLET C20 PICKUP

    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1979 CHEVROLET C10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 GMC JIMMY

    • Liter: 6.6
    • SubModel: STREET COUPE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980 OLDSMOBILE CUTLASS

    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1980 CHEVROLET K20 PICKUP

    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET K5 BLAZER

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    2008 FORD F-150

    • EngineType: ALL
    • SubModel: XTR

    1980 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1988-1993 CHEVROLET C2500 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2012-2013 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: ZL1

    1988-1992 GMC K1500 PICKUP

    • Liter: 4.3
    • SubModel: SIERRA SLE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1975 CHEVROLET K5 BLAZER

    • Liter: 6.6
    • SubModel: SILVERADO
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978-1979 CHEVROLET C30 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )
    842543 - Flowmaster 40 Series Delta Flow Mufflers is rated 5.0 out of 5 by 1.
    • y_2016, m_12, d_9, h_22
    • bvseo_bulk, prod_bvrr, vn_bulk_0.0
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_84064, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
    • clientName_jegs
    Rated 5 out of 5 by from sounds great, smoother flow Since i installed this muffler the truck sounds much better and seemed to gained a lil performance. My previous muffler was a straight pipe and sounded aweful.
    Date published: 2015-02-14
    • y_2016, m_12, d_9, h_22
    • bvseo_bulk, prod_bvrr, vn_bulk_0.0
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_84064, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
    • clientName_jegs
    Items You Need
    Items You May Also Consider