Mufflers

MUFFLERS

ABOUT OUR MUFFLERS

The MAC Muffler is a high-performance muffler with high sound attenuation characteristics covering a broad band and does not require tuning of any sort. Due to the cyclonic flow of gases through the inner and outer lines of the muffler, the MAC Muffler also functions as a spark arrestor.

Choose Mac Industrial Exhaust Shop Inc. for expert muffler fabrication in Surrey for shipment throughout North America. For years, customers have relied on our mufflers for their heavy duty construction, available in either aluminized or stainless steel. Our mufflers feature side inlet/side outlet models or other inlet/outlet orientations.

We can custom design a muffler for you and your machine and place special orders for mufflers of any size. Call us today for more information at 604-888-0575.

SOUND ATTENUATION
The MAC Muffler operates on a patented wave-cancelling principle and contains no baffles or packing to restrict gas flow. Sound waves added together tend to cancel each other when the troughs of one wave coincide with the peaks of the other wave. Noise reduction on the order of 22 to 24 dBA can be expected.

SIZE & WEIGHT REDUCTION
The MAC Mufflers are smaller than conventional reactive silencers and are ideal for applications where space is minimal. The small size and reduced weight offers great flexibility and ease of installation on small equipment and other machines. The MAC "Whisper Quiet" muffler can be mounted under the hood and therefore has little stress on the manifold.

LOW BACK PRESSURE
The unique wave-cancelling principle of the MAC Muffler and the absence of resonant chambers and baffles create a relatively unrestricted path for the gas flow – resulting in minimal back pressure. Low back pressure saves fuel dollars! There is less than 10 ins. water gauge (0.75 ins. Mercury). These special features often permit a small MAC Muffler to replace a conventional large reactive muffler.

LONG-LASTING
The spinning action of gases in the patented Mac and Mark Mufflers keeps moisture and contaminants from being trapped inside the muffler. This extends the life of the muffler by many years. Long life saves replacement dollars!

CUSTOMIZABLE
We can adapt our mufflers to your needs:

  • Stainless steel construction is available
  • Custom flanges and brackets fabricated by waterjet in-house to your requirements
  • Mufflers can be custom fabricated to meet specific inlet or outlet configurations

TEST COMPARISION

REACTIVE SILENCER MAC MUFFLER
Length: 60" Length: 20"
Diameter: 20" Diameter: 15"
Back Pressure: 34" Back Pressure: 10-15"
Noise Reduction: 22 dBA Noise Reduction: 24 dBA
Weight: 150 lbs Weight: 40 lbs

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