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.

  • Excellent Street/Strip and Off Road application
  • Noticeable interior resonance
  • Aggressive Sound Exterior Exhaust Tone
  • Durable fully welded 16 gauge aluminized steel
weight9.5
length20.5
width10
height4.5
Automotive Item GradeHigh Performance
Body Height (in)4
Body Length (in)13
Body Width (in)9.75
BrandFlowmaster
California Proposition 65 RequiredNo
ColorBlack
Emission Code5
FinishPaint
FitmentUniversal
Inlet Connection TypePipe Connection
Inlet Diameter (in)2.25
Inlet PositionOffset
MaterialAluminized Steel
Muffler SeriesOriginal 40 Series
Muffler TypeChambered
Outlet Connection TypePipe Connection
Outlet Diameter (in)2.25
Outlet PositionCenter
Overall Length (in)19
Product TypeStreet Mufflers
ReversibleNo
ShapeOval
Sound LevelAggressive Sound
Type of MufflerChambered
Vehicle TypeClassic Muscle Car
We allow returns of any item, in new and unused condition with original packaging, within 30-days of receiving the item for a refund or exchange. Absolutely NO returns or exchanges allowed on products that have been used, installed, mounted, or missing components