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Flowmaster 40 Series Delta Force Center/Center Race Muffler 4-Inch Inlet/4-Inch Outlet (Universal; Some Adaptation May Be Required)

Item S591091
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-10% $242.06 each Was $268.95

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features & Specs

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      • Top Ten Race Muffler 409SS - 4.00 Center In / 4.00 Center Out - Aggressive Sound
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      • Race Proven Delta Flow Technology
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      • No Internal Packing To Blowout
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      • Good Decibel Reduction Over Open Headers
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      • Durable Fully Welded 16 Gauge Stainless Steel - Two Chamber Race Muffler
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      • Body Height 5.00 IN
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      • Body Length 13.00 IN
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      • Body Material 409 Stainless Steel
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      • Body Width 10.00 IN
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      • Color Black
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      • Finish High-Temperature Paint
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      • Grade Type Performance
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      • Inlet Connection Slip-Fit
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      • Inlet Diameter 4.00 IN
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      • Inlet Inside Diameter 4.00 IN
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      • Inlet Location Center
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      • Inlet Outside Diameter 4.13 IN
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      • Inlet Quantity 1
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      • Inlet Type Clamp-On, Weld-On
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      • Mount Type Uses New Hangers (Not Included)
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      • Muffler Series 40 Series Delta Force
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      • Muffler Type Chambered
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      • Outlet Connection Slip-Fit
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      • Outlet Inside Diameter 4.00 IN
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      • Outlet Location Center
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      • Outlet Outside Diameter 4.13 IN
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      • Outlet Quantity 1
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      • Overall Length 18.00 IN
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      • Part Type Exhaust Muffler
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      • Product Type Race Products
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      • Reversible No
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      • Shape Oval
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      • Sound Level Aggressive
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      • Sub Category Mufflers
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      • Tunable No
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      • Vehicle Type Classic Muscle Car, Late Model Muscle Car, Race
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      • Fits Universal; Some Adaptation May Be Required
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      Description

      High-Performance Race Muffler. The Flowmaster 40 Series Delta Force Center/Center Race Muffler with 4-Inch Inlet and Outlet delivers exceptional power characteristics while significantly reducing sound levels, meeting the demands of serious racing applications. Designed to provide substantial decibel reduction over open headers, this muffler helps maintain compliance with racing noise regulations without compromising performance.

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      Construction and Appearance. Made from durable 16 gauge 409 stainless steel, this two-chamber race muffler features a fully welded design and is finished with high-temperature black paint for increased durability and corrosion resistance. Its oval shape and aggressive styling suit classic and late model muscle cars, providing excellent heat dissipation and a bold race-ready look.

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      Installation. This universal fit muffler requires some adaptation for installation. Its inlet and outlet have slip-fit connections, allowing for clamp or weld installation options. Typically, no additional drilling is needed when adapting to existing exhaust systems.

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      Application. Suitable for a wide range of race and muscle car exhaust setups, this muffler fits classic muscle cars, late-model muscle cars, and race vehicles requiring aggressive sound profiles and robust performance. Because it is universal, some adaptation may be necessary to ensure proper mounting.

      Flowmaster 854040-10

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 1 Hour

      Difficulty Level:

      Simple installation for anyone.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) 25 RAM Direct Fit Muffler
      • (1) 2.50" Stainless Band Clamp
      • (2) 7/16" Hex Bolts
      • (4) 7/16" Flat Washers
      • (2) 7/16" Lock Washers
      • (2) 7/16" Hex Nuts
      • (3) 7/16" Push Nuts

      4.7

      Reviews of Flowmaster Exhaust Products (500+)

      Questions & Answers

      No questions about this product yet. Ask the First Question