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Flowmaster

Flowmaster 40 Series Chambered Muffler

40 Series - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound

Part # 42443 Be the first to write a review

Flowmaster 40 Series Chambered Muffler

In Stock
Free Shipping on orders over $150*
MSRP $112.00
$89.96
Save $22.04 (19%)
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5

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

See Emissions Details

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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 for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Features:

  • Durable fully-welded 16 gauge aluminized steel
  • Aggressive Sound Exterior Exhaust Tone
  • Noticeable Interior Resonance
  • Excellent Street/Strip and Off Road application
Automotive Item GradeHigh Performance
Body Height4 IN
Body Width9.75 IN
Brand Flowmaster
ColorBlack
Emission Code5
FinishPaint
FitmentUniversal
Inlet Connection TypePipe Connection
Inlet Diameter2.25 IN
Inlet PositionOffset
MaterialAluminized Steel
Mount TypeUses New Hangers (Not Included)
Muffler SeriesOriginal 40 Series
Muffler TypeChambered
Outlet Connection TypePipe Connection
Outlet Diameter2.25 IN
Outlet PositionOffset
Overall Length19 IN
Product TypeStreet Mufflers
ReversibleNo
Sale CategoryExhaust
ShapeOval
Sound LevelAggressive Sound
Type of MufflerChambered
Vehicle TypeClassic Muscle Car
Late Model Muscle Car
Street Rod
Street/Strip
Truck/SUV
UPC700042010318
California Proposition 65 RequiredNo
Part Number42443
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Instructions - fm_warranty_general.pdf
Instructions - street_applications.pdf
Universal Muffler - Some adaptation may be required.

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    *Free Shipping & Handling only offered to the contiguous US on orders over $1490, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.