WMR Midget Series Legal Race Muffler Round Case w/ Right Side Exit
WMR Midget Series Legal Race Muffler Round Case w/ Right Side Exit
WMR Midget Series Legal Race Muffler Round Case w/ Right Side Exit
WMR Midget Series Legal Race Muffler Round Case w/ Right Side Exit
WMR Midget Series Legal Race Muffler Round Case w/ Right Side Exit
WMR Midget Series Legal Race Muffler Round Case w/ Right Side Exit
WMR Midget Series Legal Race Muffler Round Case w/ Right Side Exit
WMR Midget Series Legal Race Muffler Round Case w/ Right Side Exit

WMR Midget Series Legal Race Muffler Round Case w/ Right Side Exit

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Legal Mufflers For WMR Midget Series

     WMR 2021 Rule Book

    WMR Series Rules- m) Muffler required. Unaltered Extreme Technologies part number 3515-3030-8 or 3515-3030-8SS only.

    l) Tubular headers are legal. Right side exit only. 1 3/4 inch primaries, 34-inch maximum length, no steps, 3-inch diameter 4 into 1 collector no more than 14 inches long. Must have O2 sensor bung installed in the collector. May have a second bung for a wideband sensor. Exhaust pipe from the collector back may be any configuration but must exit within the confines of the nerf bar and no further rearward than the rear of the right rear tire.

    • 6 lb. Aluminized Steel w/ Turnout: 3515-3030-8-WMR
    • 4.5 lb. Stainless Steel w/ Turnout: 3515-3030-8SS-WMR
    • Inlet/outlet sizes of 3.0" x 3.0" 
    • Round case length of 14"
    • Designed for right side exit header

      

    Legal Mufflers For WMR Midget Series

       WMR 2021 Rule Book

      WMR Series Rules- m) Muffler required. Unaltered Extreme Technologies part number 3515-3030-8 or 3515-3030-8SS only.

      l) Tubular headers are legal. Right side exit only. 1 3/4 inch primaries, 34-inch maximum length, no steps, 3-inch diameter 4 into 1 collector no more than 14 inches long. Must have O2 sensor bung installed in the collector. May have a second bung for a wideband sensor. Exhaust pipe from the collector back may be any configuration but must exit within the confines of the nerf bar and no further rearward than the rear of the right rear tire.

      • 6 lb. Aluminized Steel w/ Turnout: 3515-3030-8-WMR
      • 4.5 lb. Stainless Steel w/ Turnout: 3515-3030-8SS-WMR
      • Inlet/outlet sizes of 3.0" x 3.0" 
      • Round case length of 14"
      • Designed for right side exit header

        

      Lightweight, Dyno Proven Race and Performance Mufflers with No Power Loss

      Dedicated To The Development Of Sound Control Without Sacrificing Horsepower for over 20 years

      • 12-month workmanship warranty
      • Sizes & styles to fit a tight car chassis
      • Meets or exceeds dB requirements at most muffler-required sanctioned events
      • Flow-thru design muffler to prevent power loss
      • Packed with 100% Stainless Steel to eliminate burnout
      • Available in aluminized steel or stainless steel TIG/MIG welded for durability