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

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

$0.00

Legal Mufflers For WMR Midget Series

BENEFITS

  • 12-month workmanship warranty
  • Different sizes to fit a tight race 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 and TIG/MIG welded for durability

 

 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