mufflers

Flowmaster 8435439 - Exhaust Muffler

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stock messaging In StockIn Stock
Ships by 01/30/2023

This is a universal fit product

  1. That means this product doesn’t have fitment for any specific vehicle.
  2. If fitment is applicable for your application, be sure to check compatibility with the other components.
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About this product

Part #: 8435439

The Delta Force 40 series race mufflers utilize Flowmaster's patented Delta Flow technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing applications where mufflers are required with a substantial decibel reduction over open headers. Please call the Flowmaster tech-line for assistance with specific decibel requirements and applications.

More Details

Automotive Item GradeHigh Performance
Body Height4.000 in.
Body Length13.000 in.
Body Width9.750 in.
FitmentUniversal
Inlet Connection TypePipe
Inlet Diameter3.500 in.
Inlet Inside Diameter3.500 in.
Inlet Outside Diameter3.500 in.
Inlet PositionOffset
Inlet TypeSingle Offset
Main Piping DiameterOEM
MaterialStainless Steel
Mount TypeUses New Hangers (Not Included)
Muffler Series40 Series Delta Force
Muffler TypeReflection
Outlet Connection TypePipe
Outlet Diameter3.500 in.
Outlet Outside Diameter3.500 in.
Outlet PositionOffset
Outlet TypeSingle Diagonal Offset Outlet
Overall Length18.000 in.
ShapeOval
Sound LevelAggressive
Tip Quantity0
TitleFlowmaster 8435439 40 Series Race Muffler 409S - 3.50 Offset In / 3.50 Offset Out -Aggressive Sound
Additional Documents
  1. Certificate of Originpdf

See what our community says about flowmaster products

Gianfranco Estremadoyro

157

Gianfranco Estremadoyro
2009 Ford Mustang
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
The sound is amazing!
Was it easy install? Any installation tips that will help others?
Super easy install.
Once you’ve had a chance to use the product, did it meet your expectations?
Exceeded expectations.
View on Gianfranco's build
Brandon Beres

29

Brandon Beres
2014 Ram 1500
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
The sound is amazing
What were you trying to accomplish by adding this product?
Improved appearance
View on Brandon's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Needed to replace stock muffler and delete resonator
View on Samuel's build
Jeremy Henson

67

Jeremy Henson
2019 Ram 1500
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
sound,performance
What were you trying to accomplish by adding this product?
aggressive sound
Was it easy install? Any installation tips that will help others?
very easy.
Once you’ve had a chance to use the product, did it meet your expectations?
yes
View on Jeremy's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Sound
What were you trying to accomplish by adding this product?
Muscle sound
Was it easy install? Any installation tips that will help others?
Yes
Once you’ve had a chance to use the product, did it meet your expectations?
I think three inch would have a better sound.
View on Julio's build
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*Some manufacturer restrictions apply.

About Flowmaster

Manufacturer of performance exhaust systems, mufflers, cold air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels.

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Based in California with 3 warehouses across the country, we’re sending out shipments everyday of the week, even Saturdays. Because your next mod shouldn’t have to wait.

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Matt Farah

The Smoking Tire / The Drive

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