Flowmaster 42543 2.5IN(O)/OUT(O) 40 SERIES

40 Series - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound

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.

Durable fully welded 16 gauge aluminized steel
Aggressive Sound Exterior Exhaust Tone
Noticeable interior resonance
Excellent Street/Strip and Off Road application

Information:

Universal Muffler - Some adaptation may be required.

Application Summary:

Year	Make/Model
1978-1987	Buick Regal
1973-1974	Chevrolet Blazer
1975-1980	Chevrolet C10
1988-1993	Chevrolet C1500
1975-1980	Chevrolet C20
1988-1993	Chevrolet C2500
1975-1980	Chevrolet C30
1967-1981	Chevrolet Camaro
1964-1972	Chevrolet Chevelle
1978-1987	Chevrolet El Camino
1975-1980	Chevrolet K10
1988-1993	Chevrolet K1500
1975-1980	Chevrolet K20
1988-1993	Chevrolet K2500
1977-1980	Chevrolet K30
1975-1981	Chevrolet K5 Blazer
1978-1983	Chevrolet Malibu
1978-1988	Chevrolet Monte Carlo
2014	Dodge Challenger
1997-2010	Dodge Dakota
1997-2002	Ford Expedition
1997-2008	Ford F-150
2005-2010	Ford Mustang
1988-1993	GMC C1500
1988-1993	GMC C2500
1978-1987	GMC Caballero
1973-1981	GMC Jimmy
1988-1993	GMC K1500
1988-1993	GMC K2500
1998-2002	Lincoln Navigator
1982-1983	Oldsmobile Custom Cruiser
1980	Oldsmobile Cutlass
1979	Oldsmobile Cutlass Salon
1985-1987	Oldsmobile Cutlass Salon
1978-1987	Oldsmobile Cutlass Supreme
1982-1986	Pontiac Bonneville
1967-1981	Pontiac Firebird
1978-1987	Pontiac Grand Prix

Attributes
ASIN	B000182DMY
Automotive Item Grade	High Performance
Body Diameter (in)	2.5
Body Height	4.000 in.
Body Height (in)	4
Body Height (in.)	4
Body Length	13.000 in.
Body Length (in)	13
Body Length (in.)	13
Body Width	9.750 in.
Body Width (in)	9.75
Body Width (in.)	9.75
Brand	Flowmaster
Bullet Point #1	Durable fully welded 16 gauge aluminized steel
Bullet Point #2	Aggressive Sound Exterior Exhaust Tone
Bullet Point #3	Noticeable interior resonance
Bullet Point #4	Excellent Street/Strip and Off Road application
California Proposition 65	No
Category	Exhaust
Color	Black
Country of Origin (Primary)	CN
Emission Code	5
Fitment	Universal
GTIN	00700042010356
Harmonized Tariff Code (Schedule B)	8708925000
Hazardous Material Code	N
Inlet Connection Type	Pipe, Pipe Connection
Inlet Diameter	2.500 in., 2.50
Inlet Diameter (in)	2.5
Inlet Inside Diameter	2.500 in.
Inlet Inside Diameter (in.)	2.5
Inlet Outside Diameter	2.500 in.
Inlet Position	Offset
Inlet Size (in.)	2.5
Inlet Type	Single Offset
Life Cycle Status Code	Available to Order
Main Piping Diameter	OEM
Main Piping Diameter (in.)	OEM
Material	Aluminized Steel
Mount Type	Uses New Hangers (Not Included)
Muffler Count	1
Muffler Series	40 Series, Original 40 Series
Muffler Type	Reflection
NAFTA Preference Criterion Code	B
Outlet Connection Type	Pipe, Pipe Connection
Outlet Diameter	2.500 in., 2.50
Outlet Diameter (in)	2.5
Outlet Outside Diameter	2.500 in.
Outlet Outside Diameter (in.)	2.5
Outlet Position	Offset
Outlet Size (in.)	2.5
Outlet Type	Single Offset Outlet
Overall Length	19.000 in.
Overall Length (in)	19
Overall Length (in.)	19.000 in.
Position	N/A
Product Type	Street Mufflers
SDR Required Flag	N
SDS Sheet Number	N
Sale Category	Exhaust
Series	40 Series Original Mufflers
Shape	Oval
Sound Level	Aggressive, Aggressive Sound
Sub Category	Mufflers
Subcategory	Mufflers
Type of Muffler	Chambered
Vehicle Type	Classic Muscle Car, Late Model Muscle Car
Warranty Time	36
part type	Exhaust Muffler