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Flowmaster 40 Series Muffler - 2.50 Center In/2.25 Center Out 42442

Item #22213

Flowmaster 40 Series Muffler - 2.50 Center In/2.25 Center Out 42442
42442 40 Series Muffler
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40 Series Muffler - 2.25" IN(C)/OUT(O) - Aggressive Sound


  • No internal packing to blowout
  • Excellent Street/Strip and Off Road application
  • Aggressive Sound Exterior Exhaust Tone
  • Durable fully welded 16 gauge aluminized steel

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.


(1) 42442 40 Series Muffler


Body Height (in): 4
Body Length (in): 13
Body Width (in): 9.5
Brand: Flowmaster
California Proposition 65 Required: No
Color: Black
Emission Code: 5
Fitment: Universal
Inlet Connection Type: Pipe Connection
Inlet Diameter (in): 2.25
Inlet Position: Center
Material: Aluminized Steel
Mount Type: Uses New Hangers (Not Included)
Muffler Series: Original 40 Series
Outlet Diameter (in): 2.25
Outlet Position: Offset
Product Type: Street Mufflers
Shape: Oval
Sound Level: Aggressive Sound
Type of Muffler: Chambered
Part Number: 42442


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.


3 Year Manufacturers Warranty

Warranty for Part# 42442


Universal Muffler – Not a direct fit. Some adaptation required.

Eastwood Offers Free Lifetime Technical Support

Click here for product SDS information

Attention California Residents - Proposition 65

Proposition 65 Warning WARNING - Cancer and Reproductive Harm -


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