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Flowmaster

Flowmaster 40 Series Chambered Muffler

Part # 8042543 Be the first to write a review

40 Series Stainless Steel - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound

Flowmaster 40 Series Chambered Muffler

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Free Shipping on orders over $149*
Advertised Price $135.95
$122.35
Save $13.60
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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 is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

Features:

  • Durable fully welded 409SS stainless steel
  • Aggressive Sound Exterior Exhaust Tone
  • Noticeable interior resonance
  • Excellent Street/Strip and Off Road application
Body Height4.00 IN
Body Length13.00 IN
Body Material409 Stainless Steel
Body Width9.50
Brand Flowmaster
California Proposition 65Yes
CategoryExhaust
Clamping TypeFlat Band
Clamps IncludedNo
ColorBlack
Emission Code5
Exhaust Tip Quantity0
Sold Separately
FinishHigh-Temperature Paint
FitmentUniversal
Grade TypePerformance
Hanger IncludedNo
Heat Shield AttachedNo
Inlet ConnectionSlip-Fit
Inlet Diameter2.50 IN
Inlet Inside Diameter2.50 IN
Inlet LocationOffset
Inlet Outside Diameter2.63 IN
Inlet Quantity1
Inlet TypeClamp-On
Weld-On
Mount TypeUses New Hangers (Not Included)
Muffler SeriesOriginal 40 Series
Muffler TypeChambered
Outlet ConnectionSlip-Fit
Outlet Inside Diameter2.50 IN
Outlet LocationOffset
Outlet Outside Diameter2.63 IN
Outlet Quantity1
Outlet TypeSingle
Overall Length19.00 IN
part typeExhaust Muffler
Product TypeStreet Mufflers
ReversibleNo
ShapeOval
Sound LevelAggressive
Sub CategoryMufflers
TunableNo
Universal Or Specific FitUniversal
Vehicle TypeClassic Muscle Car
Late Model Muscle Car
Street Rod
Street/Strip
Truck/SUV
UPC700042022564
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
Part Number8042543
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 - Flowmaster Warranty 26 Update.pdf
Instructions - street_applications.pdf
Universal Muffler - Some adaptation may be required.

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    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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

    Flowmaster 40 Series Chambered Muffler
    Flowmaster 40 Series Chambered Muffler
    Advertised Price $135.95
    $122.35
    Save $13.60