Flowmaster 8435409 | Exhaust Muffler

Part Number
40 Series Delta Force Race Muffler; 3.5 in. Center Inlet/Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409 Stainless Steel
In stock
Only 3 left
Free Shipping
Free Shipping
Estimated Ship Date: 1 Business Day or Less
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.

BRAND: Flowmaster


  • Universal Race Muffler - Not a direct fit. Some adaptation required.
  • Exhaust Muffler
  • Durable Fully Welded 16ga Stainless Steel
  • Good Decibel Reduction Over Open Headers
  • Chambered; Exhaust; Performance muffler; muffler; flowmaster; race muffler; universal muffler; magnaflow; borla; gibson; stainless exhaust; stainless muffler; tuned muffler; sport muffler; tuner; tuned exhaust; exhaust upgrade; performance upgrade
  • Holley Performance Emission Code 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
  • 40 Series™ Delta Force Race Muffler
  • No Internal Packing To Blowout
  • Two Chamber Race Muffler
  • 40 Series™ Delta Force Race Muffler; 3.5 in. Center Inlet/Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409S Stainless Steel;
  • Race Proven Patented Delta Flow® Technology
  • Muffler 40 Delta Race 409S 3.5inC/C


Automotive Item GradeHigh Performance
Body Height4.000 in.
Body Length13.000 in.
Body Width9.750 in.
California Proposition 65 Chemical Name 1Nickel (metallic)
California Proposition 65 Chemical Name 2Chromium (hexavalent compounds)
Inlet Connection TypePipe
Inlet Diameter3.500 in.
Inlet Inside Diameter3.500 in.
Inlet Outside Diameter3.500 in.
Inlet PositionCenter
Inlet TypeSingle Center
Main Piping Diameter3.500 in.
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 PositionCenter
Outlet TypeSingle Center Outlet
Overall Length18.000 in.
Sound LevelAggressive
Tip Quantity0
TitleFlowmaster 8435409 40 Series Race Muffler 409S - 3.50 Center In / 3.50 Center Out -Aggressive Sound
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov



  • Dynomax: 17517
Customer Questions
No Questions
Please, mind that only logged in users can submit questions

Compatible Vehicles

Copyright © 2013-present PartsHawk, LLC. All rights reserved.