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Exhaust Muffler

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.
Body Height4.000 in.
Sound LevelAggressive
Outlet Diameter2.500 in.
MaterialAluminized Steel
Body Length13.000 in.
Tip Quantity0
TitleFlowmaster 42543 40 Series Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Mount TypeUses New Hangers (Not Included)
Inlet Diameter2.500 in.
FitmentUniversal
Outlet Outside Diameter2.500 in.
Inlet Outside Diameter2.500 in.
Automotive Item GradeHigh Performance
ColorBlack
WARNING CA Proposition 65No
Main Piping DiameterOEM
Muffler Series40 Series
Outlet TypeSingle Offset Outlet
Inlet/Outlet2.50 in O/O
Inlet PositionOffset
Muffler TypeReflection
Body Width9.750 in.
Inlet TypeSingle Offset
Outlet Connection TypePipe
Inlet Connection TypePipe
Outlet PositionOffset
ShapeOval
Overall Length19.000 in.
Inlet Inside Diameter2.500 in.
ColorGray
Weight0
BrandFlowmaster
Part Number42543
Line CodeFLO
UPC700042010356
TerminologyExhaust Muffler
For warranty information please contact Auto-Wares.