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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 409S stainless steel and fully MIG welded for maximum durability.
WARNING CA Proposition 65Yes
Main Piping DiameterOEM
Overall Length19.000 in.
TitleFlowmaster 8042543 40 Series Muffler 409S - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Body Width9.750 in.
California Proposition 65 Chemical Name 2Chromium (hexavalent compounds)
Inlet Connection TypePipe
Tip Quantity0
MaterialStainless Steel
California Proposition 65 Chemical Name 1Nickel (metallic)
Outlet Diameter2.500 in.
ShapeOval
Sound LevelAggressive
Inlet Diameter2.500 in.
Outlet PositionOffset
Outlet TypeSingle Offset Outlet
Inlet PositionOffset
Automotive Item GradeHigh Performance
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Outlet Outside Diameter2.500 in.
Inlet Outside Diameter2.500 in.
Muffler TypeReflection
Body Height4.000 in.
Muffler Series40 Series
Inlet TypeSingle Offset
Body Length13.000 in.
Inlet Inside Diameter2.500 in.
Mount TypeUses New Hangers (Not Included)
Outlet Connection TypePipe
ColorBlack
FitmentUniversal
ColorGray
Weight0
BrandFlowmaster
Part Number8042543
Line CodeFLO
UPC700042022564
TerminologyExhaust Muffler
For warranty information please contact Auto-Wares.