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Flowmaster

40 Series Chambered Muffler

  • Part # 42543
  • UPC 00700042010356
$153.82 CAD
$0.00 CAD $153.82 CAD
Sale Sold out
  • Ships across Canada. No cross-border duty, brokerage or customs delays.
  • Flat $25 shipping, or free on orders of $250 or more. Same rate to every province and territory.
  • 30-day returns. A 20% restocking fee applies unless the mistake was ours.
  • Not sure it fits? Call 1 (888) 926-0442 before you order.
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Fits these vehicles

37 vehicles listed by the manufacturer for this part. Always confirm the fit for your exact trim before ordering — ask us if you are unsure.

YearsVehicle
1978-1982, 1984-1987Buick Regal
1973-1974Chevrolet Blazer
1975-1980Chevrolet C10
1988-1993Chevrolet C1500
1975-1980Chevrolet C20
1988-1989, 1991, 1993Chevrolet C2500
1975-1980Chevrolet C30
1967-1968, 1970-1981Chevrolet Camaro
1964-1972Chevrolet Chevelle
1978-1980, 1982, 1987Chevrolet EL Camino
1975-1978, 1980Chevrolet K10
1988-1993Chevrolet K1500
1975-1980Chevrolet K20
1988-1993Chevrolet K2500
1977-1979Chevrolet K30
1975-1977, 1979-1981Chevrolet K5 Blazer
1978-1983Chevrolet Malibu
1978-1979, 1981-1983, 1985-1988Chevrolet Monte Carlo
2014Dodge Challenger
1997-1998, 2000-2010Dodge Dakota
1997-2000Ford Expedition
1997-2008Ford F-150
2005, 2007-2010Ford Mustang
1988-1989, 1991-1993GMC C1500
1988-1993GMC C2500
1978-1980, 1982, 1987GMC Caballero
1973-1981GMC Jimmy
1988-1989, 1991, 1993GMC K1500
1988-1989, 1991-1993GMC K2500
1998-2000Lincoln Navigator
1982Oldsmobile Custom Cruiser
1979, 1985, 1987Oldsmobile Cutlass Salon
1978-1983, 1985, 1987Oldsmobile Cutlass Supreme
1980Oldsmobile Cutlass
1982-1983, 1985-1986Pontiac Bonneville
1967-1981Pontiac Firebird
1978-1985, 1987Pontiac Grand Prix
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Specifications

Manufacturer part number
42543
Brand
Flowmaster
Part type
Exhaust Muffler
UPC
00700042010356
Shipping weight
8.4 lb
Ships as
Parcel
  • Ships across CanadaNo cross-border duty, brokerage or customs delays.
  • Fitment help before you buySend us your VIN or trim and we'll confirm the exact part number.
  • Real people on the phoneTalk to someone who actually tows, not a call centre.
  • Priced in CADThe price you see is the price you pay.