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Flowmaster 50 Series Delta Flow Chambered Muffler

Mfg Part #
942451
NP#
FLO942451
Brand
Flowmaster
Fitment Note
2.25 Inlet 2.25 Outlet

Fits 1978 to 1987 Buick Regal, and 8 more makes. See every vehicle

  • Moderate Sound
  • Mild interior resonance
  • Excellent choice for Street Rod cars and trucks
  • Improved Horsepower, Torque and Engine Efficiency
$258.14 CAD Free shipping in Canada, ships Wednesday, September 30
Free shipping in Canada, ships Wednesday, September 30Free shipping in Canada
Availability: This item is available at a partner warehouse.

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Description

The three chamber design utilizes Flowmaster's Delta Flow® technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Warranty: Manufacturer's Limited 3 Year Warranty

Fits these vehicles

YearMakeModelSubmodelEngine
1978 - 1980BuickRegalBase, Limited5.0L 305 V8
1986 - 1987BuickRegalBase, Limited5.0L 307 V8
1974ChevroletCapriceClassic, Estate5.7L 350 V8
1975 - 1976ChevroletCapriceClassic5.7L 350 V8, 6.6L 400 V8, 7.4L 454 V8
1977ChevroletCapriceClassic5.0L 305 V8, 5.7L 350 V8
1973 - 1974ChevroletEl CaminoBase, Custom, SS5.7L 350 V8
1975ChevroletEl CaminoBase, SS5.7L 350 V8, 6.6L 400 V8, 7.4L 454 V8
1976ChevroletEl CaminoBase, SS5.7L 350 V8, 6.6L 400 V8
1977ChevroletEl CaminoBase, SS5.0L 305 V8, 5.7L 350 V8
1982ChevroletEl CaminoSS5.0L 305 V8
1985 - 1987ChevroletEl CaminoBase, SS5.0L 305 V8
1974ChevroletImpalaBase5.7L 350 V8
1975 - 1976ChevroletImpalaBase5.7L 350 V8, 6.6L 400 V8, 7.4L 454 V8
1977ChevroletImpalaBase4.1L 250 I6, 5.0L 305 V8, 5.7L 350 V8
1973ChevroletMonte CarloS5.7L 350 V8, 7.4L 454 V8
1975ChevroletMonte CarloS5.7L 350 V8, 6.6L 400 V8, 7.4L 454 V8
1976ChevroletMonte CarloS5.0L 305 V8, 5.7L 350 V8, 6.6L 400 V8
1977ChevroletMonte CarloS5.0L 305 V8, 5.7L 350 V8
1982ChevroletMonte CarloBase4.4L 267 V8, 5.0L 305 V8
1983ChevroletMonte CarloBase, CL, SS5.0L 305 V8
1984 - 1985ChevroletMonte CarloBase5.0L 305 V8
1986 - 1988ChevroletMonte CarloBase, LS5.0L 305 V8
1983 - 1984ChevroletS10Base, Sport, Tahoe1.9L 119 I4, 2.0L 122 I4, 2.8L 173 V6
1985ChevroletS10Base, Sport, Tahoe1.9L 119 I4, 2.5L 151 I4, 2.8L 173 V6
1986 - 1987ChevroletS10Base, Sport, Tahoe2.5L 151 I4, 2.8L 173 V6
1988 - 1989ChevroletS10Base, Sport, Tahoe2.5L 151 I4, 2.8L 173 V6, 4.3L 262 V6
1990 - 1991ChevroletS10Base, Tahoe2.5L 151 I4, 2.8L 173 V6, 4.3L 262 V6
1992ChevroletS10Base, EL, Tahoe2.5L 151 I4, 2.8L 173 V6, 4.3L 262 V6
1993ChevroletS10Base, EL2.5L 151 I4, 2.8L 173 V6, 4.3L 262 V6
1994 - 1997ChevroletS10Base, LS, SS, ZR22.2L 134 I4, 4.3L 262 V6
1983ChevroletS10 BlazerBase, Sport, Tahoe1.9L 119 I4, 2.0L 122 I4, 2.8L 173 V6
1984ChevroletS10 BlazerBase, Sport, Tahoe1.9L 119 I4, 2.0L 122 I4, 2.2L 134 I4, 2.8L 173 V6
1985 - 1986ChevroletS10 BlazerBase, Sport, Tahoe2.5L 151 I4, 2.8L 173 V6
1987ChevroletS10 BlazerBase, High Country, Sport, Tahoe2.5L 151 I4, 2.8L 173 V6
1988ChevroletS10 BlazerBase, High Country, Sport, Tahoe2.5L 151 I4, 2.8L 173 V6, 4.3L 262 V6
1989ChevroletS10 BlazerBase, High Country, Sport2.8L 173 V6, 4.3L 262 V6
1990ChevroletS10 BlazerBase, Sport, Tahoe4.3L 262 V6
1991ChevroletS10 BlazerBase, Tahoe, Tahoe LT4.3L 262 V6
1992ChevroletS10 BlazerBase, Sport, Tahoe, Tahoe LT4.3L 262 V6
1993ChevroletS10 BlazerBase, Tahoe, Tahoe LT4.3L 262 V6
1994ChevroletS10 BlazerBase, LT, Tahoe, Tahoe LT4.3L 262 V6
2001ChryslerPT CruiserBase, Limited, Touring2.4L 148 I4
2002ChryslerPT CruiserBase, Dream, Limited, Touring2.4L 148 I4
2003 - 2004ChryslerPT CruiserBase, Limited, Touring2.4L 148 I4
2005ChryslerPT CruiserLimited, Touring2.4L 148 I4
2006ChryslerPT CruiserBase, Limited, Street Cruiser, Touring2.4L 148 I4
2007ChryslerPT CruiserBase2.4L 148 I4
2008ChryslerPT CruiserBase, LX, Limited, Touring2.4L 148 I4
2009ChryslerPT CruiserLX, Limited, Touring2.4L 148 I4
2010ChryslerPT CruiserClassic, Couture Edition2.4L 148 I4
1970 - 1971DodgeChallengerBase5.2L 318 V8
1972DodgeChallengerBase, Rallye5.2L 318 V8
1973 - 1974DodgeChallengerBase5.2L 318 V8
1969DodgeDartBase, Custom, GT, GTS, Swinger5.2L 318 V8
1970DodgeDartBase, Custom, Swinger5.2L 318 V8
1971 - 1972DodgeDartBase, Custom, Demon, Special, Swinger5.2L 318 V8
1973DodgeDartBase, Custom, Special, Sport, Swinger5.2L 318 V8
1974DodgeDartBase, Custom, Special, Special Edition, Sport, Swinger5.2L 318 V8
1991 - 1992FordExplorerEddie Bauer, Sport, XL, XLT4.0L 245 V6
2002 - 2003FordExplorerEddie Bauer, Limited, Postal, XLS, XLT4.0L 245 V6
2004FordExplorerEddie Bauer, Limited, NBX, XLS, XLS Sport, XLT, XLT Sport4.0L 245 V6
2005FordExplorerEddie Bauer, Limited, XLS, XLS Sport, XLT, XLT Sport4.0L 245 V6
2006FordExplorerEddie Bauer, Limited, XLS, XLT4.0L 245 V6
2007 - 2010FordExplorerEddie Bauer, Limited, XLT4.0L 245 V6
1968FordFairlane500, Base3.3L 200 I6, 5.0L 302 V8, 6.4L 390 V8, 7.0L 427 V8, 7.0L 428 V8
1969FordFairlane500, Base3.3L 200 I6, 4.1L 250 I6, 5.0L 302 V8, 5.8L 351 V8, 6.4L 390 V8, 7.0L 427 V8, 7.0L 428 V8
1970FordFairlane5004.1L 250 I6, 5.0L 302 V8, 5.8L 351 V8, 6.4L 390 V8, 7.0L 428 V8, 7.0L 429 V8
1968FordTorinoBase, GT3.3L 200 I6, 5.0L 302 V8, 6.4L 390 V8, 7.0L 427 V8, 7.0L 428 V8
1969FordTorinoBase, Cobra, GT, Squire4.1L 250 I6, 5.0L 302 V8, 5.8L 351 V8, 6.4L 390 V8, 7.0L 428 V8
1970FordTorinoBase, Brougham, Cobra, GT, Squire, Super Cobra Jet4.1L 250 I6, 5.0L 302 V8, 5.8L 351 V8, 6.4L 390 V8, 7.0L 428 V8, 7.0L 429 V8
1971FordTorino500, Base, Brougham, Cobra, GT, Squire, Super Cobra Jet4.1L 250 I6, 5.0L 302 V8, 5.8L 351 V8, 7.0L 429 V8
1972FordTorinoBase4.1L 250 I6, 5.0L 302 V8, 5.8L 351 V8, 6.6L 400 V8, 7.0L 429 V8
1973FordTorinoBase4.1L 250 I6, 5.0L 302 V8, 5.8L 351 V8, 6.6L 400 V8, 7.0L 429 V8, 7.5L 460 V8
1974FordTorinoBase4.1L 250 I6, 5.0L 302 V8, 5.8L 351 V8, 6.6L 400 V8, 7.5L 460 V8
1967MercuryCougarBase, XR-74.7L 289 V8, 6.4L 390 V8
1968MercuryCougarBase, XR-74.7L 289 V8, 5.0L 302 V8, 6.4L 390 V8, 7.0L 427 V8, 7.0L 428 V8
1969 - 1970MercuryCougarBase, Boss 302, Boss 429, Cobra Jet, XR-75.0L 302 V8, 5.8L 351 V8, 6.4L 390 V8, 7.0L 428 V8, 7.0L 429 V8
1971MercuryCougarBase, XR-75.8L 351 V8, 7.0L 429 V8
1972MercuryCougarBase, XR-75.8L 351 V8
1973MercuryCougarBase, XR-75.8L 351 V8, 6.6L 400 V8, 7.5L 460 V8
1973 - 1974OldsmobileCutlassBase, S5.7L 350 V8, 7.5L 455 V8
1975OldsmobileCutlass442, Base4.3L 260 V8, 5.7L 350 V8, 7.5L 455 V8
1977OldsmobileCutlass4425.7L 350 V8
1965PlymouthBelvedere IIBase3.7L 225 I6, 4.5L 273 V8, 5.2L 318 V8, 6.3L 383 V8, 7.0L 426 V8
1966PlymouthBelvedere IIBase3.7L 225 I6, 4.5L 273 V8, 5.2L 318 V8, 5.9L 361 V8, 6.3L 383 V8, 7.0L 426 V8
1967PlymouthBelvedere IIBase3.7L 225 I6, 4.5L 273 V8, 5.2L 318 V8, 6.3L 383 V8, 7.0L 426 V8, 7.2L 440 V8
1967PlymouthGTXBase7.0L 426 V8, 7.2L 440 V8
1968PlymouthGTXBase5.2L 318 V8, 6.3L 383 V8, 7.0L 426 V8, 7.2L 440 V8
1969 - 1970PlymouthGTXBase7.0L 426 V8, 7.2L 440 V8
1971PlymouthGTXBase6.3L 383 V8, 7.0L 426 V8, 7.2L 440 V8
1968PlymouthRoad RunnerBase4.5L 273 V8, 5.2L 318 V8, 5.6L 340 V8, 6.3L 383 V8, 7.0L 426 V8
1969 - 1970PlymouthRoad RunnerBase6.3L 383 V8, 7.0L 426 V8, 7.2L 440 V8
1971PlymouthRoad RunnerBase5.2L 318 V8, 5.6L 340 V8, 6.3L 383 V8, 7.0L 426 V8, 7.2L 440 V8
1972 - 1973PlymouthRoad RunnerBase5.2L 318 V8, 5.6L 340 V8, 6.6L 400 V8, 7.2L 440 V8
1974PlymouthRoad RunnerBase5.2L 318 V8, 5.9L 360 V8, 6.6L 400 V8, 7.2L 440 V8
1973PontiacLeMansBase, Luxury, Safari, Sport4.1L 250 I6, 5.7L 350 V8, 6.6L 400 V8, 7.5L 455 V8
1974PontiacLeMansBase, Luxury, Safari, Safari Luxury, Sport4.1L 250 I6, 5.7L 350 V8, 6.6L 400 V8, 7.5L 455 V8
1975PontiacLeMansBase6.6L 400 V8
1976PontiacLeMansBase6.6L 400 V8, 7.5L 455 V8
1977PontiacLeMansBase4.9L 301 V8, 5.0L 305 V8, 5.7L 350 V8, 6.6L 400 V8, 6.6L 403 V8

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