Logo Image
Father’s Day Sale – Up to 40% Off! Shop Now >

Flowmaster 40 Series Delta Flow Center/Dual Out Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)

Item J250846
Sale
On Sale

-8% $137.66 each Was $149.95

Military, Medical & First Responders $6.88 Available in XT Cash Rewards.
Confirm Eligibility

Choose options to add to cart.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features & Specs

        _x000D_
      • Two Chamber Design Incorporates Delta Flow Technology
      • _x000D_
      • Delta Deflectors Generate Increased Scavenging For Better Performance And Reduced Interior Sound
      • _x000D_
      • Milder Exterior Tone And Reduced Interior Resonance Over Standard 40 Series
      • _x000D_
      • Constructed Of 16 Gauge Aluminized Steel
      • _x000D_
      • Fully MIG Welded For Maximum Durability
      • _x000D_
      • No Internal Packing To Blowout
      • _x000D_
      • Excellent Street/Strip And Off Road Application
      • _x000D_
      • Race Proven Delta Flow Technology
      • _x000D_
      • Durable Fully Welded 16 Gauge Aluminized Steel
      • _x000D_
      • Body Height 4.00 In
      • _x000D_
      • Body Length 13.00 In
      • _x000D_
      • Body Width 9.75 In
      • _x000D_
      • Finish High-Temperature Paint
      • _x000D_
      • Inlet Connection Slip-Fit
      • _x000D_
      • Inlet Diameter 2.50 In
      • _x000D_
      • Inlet Inside Diameter 2.50 In
      • _x000D_
      • Inlet Location Center
      • _x000D_
      • Inlet Outside Diameter 2.63 In
      • _x000D_
      • Inlet Quantity 1
      • _x000D_
      • Inlet Type Clamp-On And Weld-On
      • _x000D_
      • Mount Type Uses New Hangers Not Included
      • _x000D_
      • Muffler Series 40 Series Delta Flow
      • _x000D_
      • Muffler Type Chambered
      • _x000D_
      • Outlet Connection Slip-Fit
      • _x000D_
      • Outlet Inside Diameter 2.50 In
      • _x000D_
      • Outlet Location Dual
      • _x000D_
      • Outlet Outside Diameter 2.63 In
      • _x000D_
      • Outlet Quantity 2
      • _x000D_
      • Outlet Type Dual
      • _x000D_
      • Overall Length 19.00 In
      • _x000D_
      • Shape Oval
      • _x000D_
      • Sound Level Aggressive
      • _x000D_
      • Sub Category Mufflers
      • _x000D_
      • Tunabale No
      • _x000D_
      • Grade Type Performance
      • _x000D_
      • Emission Code 5
      • _x000D_
      • Clamps Included No
      • _x000D_
      • Hanger Included No
      • _x000D_
      • Heat Shield Attached No
      • _x000D_
      • Exhaust Tip Quantity 0
      • _x000D_
      • Category Exhaust
      • _x000D_
      • Part Type Exhaust Muffler
      • _x000D_
      • Product Type Street Mufflers
      • _x000D_
      • Vehicle Type 4/6 CYL Engine Classic Muscle Car Late Model Muscle Car Street Rod Street/Strip Truck/SUV
      • _x000D_
      • Fits Universal; Some Adaptation May Be Required
      • _x000D_

      Description

      Innovative Muffler Design. The Flowmaster 40 Series Delta Flow Center/Dual Out Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet offers a two-chamber configuration featuring Delta Flow technology for enhanced scavenging, resulting in improved performance and a quieter interior acoustics experience. Ideal for street, strip, and off-road use, this muffler delivers an aggressive sound while minimizing unwanted resonance inside the vehicle cabin.

      _x000D__x000D_

      Construction and Appearance. Crafted from durable 16 gauge aluminized steel, this muffler is fully MIG welded for maximum strength and longevity. It features a high-temperature painted finish to resist corrosion and maintain its rugged look through extended use. The oval body shape balances performance efficiency with a sleek appearance.

      _x000D__x000D_

      Installation. Designed for universal fitment with a 2.50-inch slip-fit inlet and dual outlets, installation is straightforward, typically requiring no drilling. It uses new hangers, which are not included, and supports both clamp-on and weld-on inlet connections for versatile mounting options.

      _x000D__x000D_

      Warranty. This product is backed by a limited warranty to ensure quality and customer satisfaction.

      _x000D__x000D_

      Application. Fits universal applications with some adaptation required. Suitable for various vehicle types including 4 and 6 cylinder engines, classic and late model muscle cars, street rods, street/strip vehicles, and trucks/SUVs.

      Flowmaster 9425400

      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) Muffler

      5.0

      Customer Reviews (1)

      Questions & Answers

      No questions about this product yet. Ask the First Question