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

Magnaflow Direct-Fit Catalytic Converter; California Grade CARB Compliant (11-15 6.0L Silverado 3500 HD)Find parts that fit my vehicle

Item SHS3172
Our Price

$3,862.00 each

Military, Medical & First Responders $193.10 Available in AT Cash Rewards.
Confirm Eligibility

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
    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

      • California CARB Compliant Direct-Fit Catalytic Converter
      • State-of-the-Art 3D Scanning Ensures Perfect Fit
      • Free-Flowing Mandrel-Bent Stainless Steel Tubing
      • Highly Corrosion Resistant Spun Body Construction
      • Single Laser Fusion Weld Reduces Leak Possibility
      • Compact Low-Mass Design for Greater Thermal Efficiency
      • Includes 2 Torca Clamps and Hangers
      • Made with Ceramic Substrate Material
      • Bolt-On Inlet and Outlet with 3" Inlet Diameter and 3.5" Outlet Diameter
      • Overall Length 59.75 Inches, Body Length 10.75 Inches, Body Width 4 Inches, Body Height 4 Inches
      • OEM-Like O2 Sensor Port Locations with 4 Sensor Ports
      • CARB Executive Order Number D-193-145 Certified
      • Specific Fit for Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD Vehicles
      • Fits 2011-2015 6.0L Silverado 3500 HD

      Description

      Direct-Fit Catalytic Converter. The Magnaflow Direct-Fit Catalytic Converter is California CARB compliant and precisely engineered to replace factory catalytic converters while meeting California Air Resources Board emissions standards. It ensures your vehicle remains compliant with state laws and maintains optimal emissions control to keep your engine running efficiently and your check engine light off.

      Construction and Appearance. Crafted from highly corrosion-resistant stainless steel, this converter features mandrel-bent tubing and a spun body design with a durable ceramic substrate. The stainless steel finish provides long-lasting durability and corrosion resistance, while the single laser fusion weld enhances structural integrity and minimizes leak risks.

      Installation. Designed for bolt-on installation, this direct-fit converter requires no cutting or welding, making it suitable for DIY mechanics with basic automotive knowledge. The included hardware, including Torca clamps and hangers, ensures a straightforward and secure fitment.

      Warranty. The product is backed by a comprehensive warranty to ensure quality and customer satisfaction.

      Application. This catalytic converter fits the 2011-2015 6.0L Silverado 3500 HD, providing a specific solution for these model years and engine type.

      Magnaflow 4551252

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

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 2 Hours

      Difficulty Level:

      Light to Moderate mechanical skill required.

      Installation Guides

      What's in the Box

      • (1) Direct-Fit Catalytic Converter
      • (2) Gaskets
      • Hardware

      Tech Specs

      4.5

      Customer Reviews (50)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Silverado 3500

      • 6.0L V8 - 11, 12, 13, 14, 15