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Extreme Mufflers

Race Muffler Square Oval 3" x 3" x 18"

Race Muffler Square Oval 3" x 3" x 18"

Regular price $126.95 USD
Regular price Sale price $126.95 USD
Sale Sold out

Extreme Mufflers developed Square Oval racing muffler is a straight-thru absorption design that does not restrict exhaust flow and can handle significant power without horsepower loss. The exclusive core design reduces dB levels while maintaining a sharp sound. The all-aluminized, fully welded construction makes it a top choice for both racing and high-performance applications.


  • 3" Inlet 
  • 3" Outlet
  • 18" Case Length 
  • 7" Case Width 
  • 4" Case Height 
  • 22" Overall Length 
  • 11 lb Weight

Part Number 1018-3030


  •    Specifically built for racing and hi-performance use.
  •    It is built with a maximum flow straight-thru design to prevent HP loss.
  •    Meets or exceeds dB requirements at most muffler-required sanctioned events.
  •    Manufactured of aluminized steel and are TIG/MIG welded for durability.
  •    They are packed with 100% Stainless Steel to eliminate burnout.
  •    Lightweight design.
  •    Different sizes and shapes to fit a tight race car chassis.
  •    Made in the U.S.A.
  •    12-month workmanship warranty.

Recommend Uses: Race cars, Hi-performance street cars & trucks, Sprint cars, D.I.R.T. Modifieds, Midgets
Some parts are not legal for use in California or other states with similar laws/regulations.

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