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Magnaflow Direct-Fit Active Exhaust Valve Kit (18-21 GT)

Item 405137
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Market Price $1,247.71 You Save 34% ($428.71)
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Ship to: Ashburn - 20149
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      Product Information

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


      • Designed for use with Select Magnaflow Systems
      • Retains use of OEM Actuator
      • Intergrated V-Band Flanges
      • V-Band Clamps Included
      • Fits Active Exhaust Equipped 2018-2021 GT Mustang Models


      Required for Magnaflow Active Exhaust. When installing an active exhaust compatible Magnaflow System on your 2018-2021 GT Mustang you are going to need a set of Maganflow Active Valves. These Valves retain the use of your stock OEM actuators which are directly tied into your Mustang's powertrain control module, opening and closing the mufflers valving based on throttle position.

      Application. This Maganflow Active Valve Kit is designed for use on active exhaust equipped 2018-2021 GT Mustang models with a Magnaflow Exhaust System part# 19368, 19369, 19370, 19418, 19419.



      Magnaflow 10805

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) Active Exhaust Valves

      Customer Reviews (2)

        Reviews of Magnaflow Exhaust products have an average rating of 4.7 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Mustang

          • Bullitt - 19, 20
          • GT - 18, 19, 20, 21
          • Mach 1 - 21

          Designed to be used with Magnaflow Axle-Back and Cat-Back Systems Only

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