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Flowmaster

Flowmaster 40 Series Delta Flow Chambered Muffler

Part # 842541 Be the first to write a review

40 Delta Flowยฎ Stainless Steel - 2.50 Offset In / 2.50 Center Out - Aggressive Sound

Flowmaster 40 Series Delta Flow Chambered Muffler

In Stock
Free Shipping - Lower 48 US States
$164.95
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Delta Flow
Does it fit my vehicle?
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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This two chamber design incorporates Flowmaster's Delta Flowยฎ technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

Features:

  • No internal packing to blowout
  • Excellent Street/Strip and Off Road application
  • Race proven Delta Flow technology
  • Durable fully welded 409SS stainless steel

About Flowmaster

Shop the complete line of Flowmaster products for exhaust systems, mufflers, and more that deliver the iconic Flowmaster sound. Available at Holley.com!

Automotive Item GradeHigh Performance
Body Height4.00 IN
Body Length13.00 IN
Body Material409 Stainless Steel
Body Width9.75 IN
Brand Flowmaster
CategoryExhaust
Clamps IncludedNo
ColorBlack
Emission Code5
Exhaust Tip Quantity0
FinishHigh-Temperature Paint
FitmentUniversal
Grade TypePerformance
Hanger IncludedNo
Heat Shield AttachedNo
Inlet Connection TypePipe Connection
Inlet Diameter2.50 IN
Inlet Inside Diameter2.50 IN
Inlet LocationOffset
Inlet Outside Diameter2.63 IN
Inlet PositionOffset
Inlet Quantity1
Inlet TypeClamp-On
Weld-On
Material409 Stainless Steel
Mount TypeUses New Hangers (Not Included)
Muffler Series40 Series Delta Flow
Muffler TypeChambered
Outlet Connection TypePipe Connection
Outlet Diameter2.50 IN
Outlet Inside Diameter2.50 IN
Outlet Outside Diameter2.63 IN
Overall Length19.00 IN
Part TypeExhaust Muffler
Product TypeStreet Mufflers
ReversibleNo
ShapeOval
Sound LevelAggressive
Sub CategoryMufflers
TunableNo
Type of MufflerChambered
Universal Or Specific FitUniversal
Vehicle Type4/6 CYL Engine
Classic Muscle Car
Late Model Muscle Car
Street Rod
Street/Strip
Truck/SUV
UPC700042018352
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number842541
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 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.