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Auto Mod 101: What Is A Muffler Delete?

When it comes to mufflers, the team at Park Muffler is the place to go– after all, it’s in our name! Modern vehicles boast highly advanced exhaust systems, meaning mufflers are sleeker, more durable and more efficient than ever. Many current vehicle owners may have not even considered their muffler or their exhaust systems. Whether that sounds like you or you are an avid automobile modifier, consult our crash course below for more info.

What is a muffler?

A muffler is a device that provides a sound-dampening function for the entire automobile’s exhaust system. Just as it name implies, it muffles the noise created by the heat and vibration of an internal combustion engine. Once clunky, restrictive and unreliable, newer model mufflers are vastly improved and horsepower-friendly.

What is a muffler delete?

Common in custom auto circles, a muffler delete is a term that pops up on occasion among vehicle owners. Again, the name is very straightforward– a muffler delete is a process that removes the device from the exhaust system for various reasons.

The process is very straightforward as well: the muffler is removed, a muffler delete pipe is installed in its place and an exhaust tip is welded to the end.

What are the advantages of exhaust customization?

In the past, removing a muffler could offer many benefits to a vehicle owner concerned with performance. This boost in horsepower is less drastic with newer vehicles as they are designed to be less restrictive. Modern automobile modifiers generally opt for a muffler delete to increase the volume of their vehicle.

So if you’re looking for a growling or roaring engine sound, then a muffler delete will achieve this effect. Just keep in mind that at higher speeds the noise may seem deafening and at regular speeds there may be a low droning as you drive.

What is the difference between a muffler delete and a straight through exhaust system?

A straight pipe exhaust is literally a straight pipe that starts from the header and runs to the back of the vehicle without a muffler. Used mostly in racing vehicles, these exhaust systems do not restrict gas flow. Basically, muffler deletes and straight through exhaust systems yield the exact same results.

The difference being that a muffler delete involves having an actual muffler removed from the vehicle. If your vehicle has a muffler you wish to remove, a muffler delete is a more cost efficient choice than having a straight pipe exhaust system installed.

Another advantage of a muffler delete over the installation of a straight through exhaust system is that a muffler can always be reinstalled if you change your mind about the delete. Otherwise, the straight through exhaust system would have to be removed and one with a muffler installed.

Is customizing my exhaust system legal?

Louder exhausts can be a contentious issue, but as long as your vehicle doesn’t exceed the legal decibel limit for sound pollution then there are no issues with local bylaws. Generally, a muffler delete is not major enough to break these laws– but always consult with your local regulations before undertaking any vehicle modification.

As far as exhaust emissions are concerned, a muffler delete does not increase emissions at all. The actual removal of the muffler itself does not interfere whatsoever with any smog equipment installed on your vehicle.

The questions above are only a summary of the concerns you might have about your vehicle’s exhaust. Noise, emissions and performance all need to be considered– so contact or visit Park Muffler today for a full consultation.

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