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Flowmaster 842451 50 Series Delta Flow Muffler
Part No. 842451

This is a direct fit, vehicle specific part.
Please verify this fits your vehicle.

vehicle fitment information
Attribute Size / Style
Body Height (In.) 4
Body Length (In.) 17
Body Width (In.) 9.75
Inlet Position Offset
Inlet Size (In.) 2.25
Inlet Type Single Offset Inlet
Length (In.) 23
Material 409 Stainless Steel
Outlet Single Center Outlet
Outlet Position Center
Outlet Size (In.) 2.25
Position N/A
Shape Oval
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$120.83
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  • 50 Series Delta Flow Muffler, 2.25 in. Offset Inlet/Center Outlet, Case Dimensions 4 in. x 9.75 in. x 17 in., 23 in. Overall Length, 409S Stainless Steel
  • Durable Fully Welded 409 Stainless Steel
  • Excellent Choice For Street Rods Cars and Trucks
  • Improved HP/TQ and Potential Mileage Improvement
  • Limited Lifetime Warranty
  • Mild to Moderate Exterior Exhaust Tone
  • Minimal Interior Resonance
  • Race Proven Patented Delta Flow Technology
  • www.Flowmastermufflers.com
  • Body Height (in.): 4
  • Body Length (in.): 17
  • Body Width (in.): 9.75
  • Inlet Position: Offset
  • Inlet Size (in.): 2.25
  • Inlet Type: Single Offset Inlet
  • Length (in.): 23
  • Material: 409 Stainless Steel
  • Outlet: Single Center Outlet
  • Outlet Position: Center
  • Outlet Size (in.): 2.25
  • Position: N/A
  • Shape: Oval
YearsMakeModelSubModelEngineFuel
1978-1987BUICKREGAL5.0L / 305 C.I.D.-5.0L / 307 C.I.D.GAS
1978-1987BUICKREGALLIMITED5.0L / 305 C.I.D.-5.0L / 307 C.I.D.GAS
1974-1977CHEVROLETCAPRICECLASSIC5.7L / 350 C.I.D.-5.7L / 350 C.I.D.GAS
2001-2008CHRYSLERPT CRUISER2.4L / 148 C.I.D.-2.4L / 148 C.I.D.GAS
2010-2010CHRYSLERPT CRUISERCLASSIC2.4L / 148 C.I.D.-2.4L / 148 C.I.D.GAS
2010-2010CHRYSLERPT CRUISERCOUTURE EDITION2.4L / 148 C.I.D.-2.4L / 148 C.I.D.GAS
2006-2007CHRYSLERPT CRUISERGT2.4L / 148 C.I.D.-2.4L / 148 C.I.D.GAS
2006-2009CHRYSLERPT CRUISERLIMITED2.4L / 148 C.I.D.-2.4L / 148 C.I.D.GAS
2008-2009CHRYSLERPT CRUISERLX2.4L / 148 C.I.D.-2.4L / 148 C.I.D.GAS
2006-2006CHRYSLERPT CRUISERSTREET CRUISER2.4L / 148 C.I.D.-2.4L / 148 C.I.D.GAS
2006-2009CHRYSLERPT CRUISERTOURING2.4L / 148 C.I.D.-2.4L / 148 C.I.D.GAS
2003-2004CHRYSLERPT CRUISERTURBO2.4L / 148 C.I.D.-2.4L / 148 C.I.D.GAS
1970-1970DODGEDART5.2L / 318 C.I.D.-5.6L / 340 C.I.D.GAS
1971-1972DODGEDARTDEMON 3405.6L / 340 C.I.D.-5.6L / 340 C.I.D.GAS
1969-1969DODGEDARTGT4.5L / 273 C.I.D.-5.6L / 340 C.I.D.GAS
1969-1969DODGEDARTGTS4.5L / 273 C.I.D.-6.3L / 383 C.I.D.GAS
1973-1973DODGEDARTSPORT 3405.6L / 340 C.I.D.-5.6L / 340 C.I.D.GAS
1974-1974DODGEDARTSPORT 3605.9L / 360 C.I.D.-5.9L / 360 C.I.D.GAS
1969-1971DODGEDARTSWINGER4.5L / 273 C.I.D.-5.6L / 340 C.I.D.GAS
2002-2005FORDEXPLORER4.0L / 245 C.I.D.-4.0L / 245 C.I.D.FLEX
2002-2005FORDEXPLORER4.0L / 245 C.I.D.-4.0L / 245 C.I.D.GAS
2006-2010FORDEXPLOREREDDIE BAUER4.0L / 245 C.I.D.-4.0L / 245 C.I.D.GAS
2006-2010FORDEXPLORERLIMITED4.0L / 245 C.I.D.-4.0L / 245 C.I.D.GAS
2006-2006FORDEXPLORERXLS4.0L / 245 C.I.D.-4.0L / 245 C.I.D.GAS
2007-2010FORDEXPLORERXLT4.0L / 245 C.I.D.-4.0L / 245 C.I.D.GAS
2002-2002FORDEXPLORER SPORT4.0L / 245 C.I.D.-4.0L / 245 C.I.D.GAS
2003-2003FORDEXPLORER SPORT TRAC4.0L / 245 C.I.D.-4.0L / 245 C.I.D.GAS
1975-1983FORDF-150 PICKUP4.9L / 300 C.I.D.-7.5L / 460 C.I.D.GAS
1977-1983FORDF-150 PICKUPSUPER CAB4.9L / 300 C.I.D.-7.5L / 460 C.I.D.GAS
1982-1982FORDF-250 PICKUP4.9L / 300 C.I.D.-4.9L / 300 C.I.D.LPG
1975-1983FORDF-250 PICKUP4.9L / 300 C.I.D.-7.5L / 460 C.I.D.GAS
1977-1983FORDF-250 PICKUPSUPER CAB4.9L / 300 C.I.D.-7.5L / 460 C.I.D.GAS
1982-1982FORDF-350 PICKUP4.9L / 300 C.I.D.-4.9L / 300 C.I.D.LPG
1975-1983FORDF-350 PICKUP4.9L / 300 C.I.D.-7.5L / 460 C.I.D.GAS
1977-1980FORDF-350 PICKUPSUPER CAB4.9L / 300 C.I.D.-7.5L / 460 C.I.D.GAS
1967-1969FORDFAIRLANE4.7L / 289 C.I.D.-7.0L / 428 C.I.D.GAS
1968-1970FORDFAIRLANE5004.7L / 289 C.I.D.-7.0L / 429 C.I.D.GAS
2010-2010FORDTAURUSSHO3.5L / 213 C.I.D.-3.5L / 213 C.I.D.GAS
1967-1973MERCURYCOUGAR4.7L / 289 C.I.D.-7.0L / 429 C.I.D.GAS
1969-1969MERCURYCOUGARBOSS 3025.0L / 302 C.I.D.-5.0L / 302 C.I.D.GAS
1970-1970MERCURYCOUGARBOSS 4297.0L / 429 C.I.D.-7.0L / 429 C.I.D.GAS
1969-1971MERCURYCOUGARCOBRA JET7.0L / 428 C.I.D.-7.0L / 429 C.I.D.GAS
1967-1973MERCURYCOUGARXR-74.7L / 289 C.I.D.-7.5L / 460 C.I.D.GAS
1973-1977OLDSMOBILECUTLASS4.3L / 260 C.I.D.-7.5L / 455 C.I.D.GAS
1970-1974PLYMOUTHBARRACUDA5.6L / 340 C.I.D.-6.3L / 383 C.I.D.GAS
1970-1971PLYMOUTHBARRACUDAGRAN COUPE6.3L / 383 C.I.D.-6.3L / 383 C.I.D.GAS
1968-1970PLYMOUTHBELVEDERE4.5L / 273 C.I.D.-6.3L / 383 C.I.D.GAS
1968-1970PLYMOUTHBELVEDERESATELLITE4.5L / 273 C.I.D.-6.3L / 383 C.I.D.GAS
1967-1970PLYMOUTHGTX4.5L / 273 C.I.D.-7.2L / 440 C.I.D.GAS
1968-1970PLYMOUTHROADRUNNER4.5L / 273 C.I.D.-7.2L / 440 C.I.D.GAS
1968-1969PLYMOUTHSATELLITE4.5L / 273 C.I.D.-6.3L / 383 C.I.D.GAS
1973-1977PONTIACLEMANS4.3L / 260 C.I.D.-7.5L / 455 C.I.D.GAS
1976-1976PONTIACLEMANSSAFARI5.7L / 350 C.I.D.-7.5L / 455 C.I.D.GAS
1973-1977PONTIACLEMANSSPORT4.3L / 260 C.I.D.-7.5L / 455 C.I.D.GAS
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  • Shipping Policy

    Free Ground Shipping
    Free FedEx ground shipping on all orders over $100. Free shipping to 48 Continental United States only. Orders under $100 will incur a FedEx ground shipping charge of $9.95.

    $9.95 Per Wheel/$25 Per Tire
    Each wheel will incur a $9.95 per wheel fee and each tire will incur a $25 per tire fee up to $99. You will be charged a maximum of $99 regardless of how many wheels and/or tires you purchase.

    $99 Truck Freight
    Oversized parts will incur a $99 truck freight charge that FedEx cannot provide standard ground shipping on.