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Granatelli Motor Sports Electronic Exhaust Cutout; 4-Inch (Universal; Some Adaptation May Be Required)

Item S102276
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M-F 9A-11P, Sat-Sun 9A-9P
Market Price $219.99 You Save 13% ($29.18)
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Ship to: Ashburn - 20149
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      Product Information

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


      • 4.0" Electronic Exhaust Cutout
      • Aircraft 6061 Aluminum
      • Stainless Steel Butterfly Plates
      • High-Temperature Steel Gears
      • Socket Head Cap Screws
      • Loud and Aggressive Exhaust Note
      • Sold Individually Or As A Pair
      • Fits 1999-2021 Silverado 1500s


      One-Touch Power. With the simple toggle of a switch, you can open up the stainless steel butterfly plates in the GMS 4.0 inch Electronic Exhaust Cutout and let out thunderous exhaust note from your Silverado 1500. Freeing up a few extra horsepower, Granatelli Motor Sports Exhaust Cutouts will give your Silverado the throaty exhaust note you have been looking for, while still being able to keep things quiet when you need them to be.

      Durable Construction. GMS 4.0 in. Electronic Exhaust Cutouts are made from aircraft grade 6061 aluminum that has been CNC machined for a precise fit. Using stainless steel butterfly plates that are powered by high-temperature long lasting steel gears, GMS Electronic Exhaust Cutouts offer incredible durability that will last as long as you have your truck.

      Drop-In Installation. While it may take you a few hours to install GMS Electronic Exhaust Cutouts on your Silverado, the installation is fairly easy and requires your standard hand tools. GMS includes everything you need to complete this installation, ensuring a precise and clean fit.

      Application. This GMS 4.0 Electronic Exhaust Cutouts fit 1999-2021 Chevrolet Silverado 1500s.

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      Granatelli Motor Sports 307540C


      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Electric Valve
      • (1) Intermediate Wire
      • (1) Toggle Switch
      • (1) Wiring Harness

      Customer Reviews (2)

        Reviews of Granatelli Motor Sports Exhaust products have an average rating of 4.5 out of 5

          Questions & Answers

          10 More Questions