Will a muffler delete cause check engine light?

It depends on the type of motor. But one thing is for sure: removing the muffler is enough to wake up your neighbors in the morning as you start the vehicle. In newer model cars, removing the stock muffler will result in a dire consequences and often cause the check engine light to come on.
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Will no muffler hurt my engine?

The Reduced Fuel Economy

Your broken muffler can reduce the effectiveness of your exhaust system. The broken part can keep your car from being effective when siphoning the exhaust fumes out of your engine and will negatively affect your car engine's performance.
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Will muffler delete throw a code?

In regards to removing the exhaust flap and getting a "code", it won't happen. The exhaust flap works on vacuum. It's easy enough to remove the system and plug the vacuum line...... no codes.
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Will muffler delete cause limp mode?

Most times, a muffler deletion or set of aftermarket (or axle-back) mufflers will cause more damage than good and produce less Horsepower. The ECU will go into LIMP mode if the muffler is removed. This can be seen by the check engine light at the console.
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What are the cons of a muffler delete?

Cons of Muffler Delete System
  • Droning sound. While the sound gets better as you accelerate, the muffler delete system will also give your vehicle a noticeable drone while cruising at normal speeds. ...
  • Poor idling and mediocre engine performance (if done incorrectly or without a chip) ...
  • Gunk or dirt buildup.
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Check Engine Light from doing an Exhaust? WHY!?!?



Does muffler delete affect gas mileage?

Q: Does muffler delete affect gas mileage? Yes, it does. A muffler is a component that helps regulate the noise generated by the car's engine. Once you remove the muffler, the gasses getting out of the exhaust is no longer regulated, resulting in high gas consumption.
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Which is better muffler delete or resonator delete?

1. Sound Quality. In terms of sound improvements, if you have to remove one, deleting the muffler is a much better deal than deleting the resonator. Because muffler dampens the sound across RPM, you'll get a louder, raw sound coming out of the engine.
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Is removing muffler illegal?

Exhaust system

All exhaust silencers must be maintained in a good and efficient working order. You will be breaking the law if you remove a silencer or make any change that would make that vehicle emit a noise louder than the original exhaust before it was modified.
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Is muffler delete the same as straight pipe?

A muffler delete is exactly what it sounds like- it's removing your stock muffler and putting an exhaust pipe in its place. Straight pipes can refer to muffler deletes, but they can also refer to removing everything in the exhaust system that isn't pipe. This includes resonators and catalytic converters.
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Do you get more horsepower without a muffler?

Does a muffler increase horsepower? Replacing your car's muffler alone is not enough to open up the restrictive exhaust system and allow the extra airflow that increases performance.
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How much does a muffler delete cost?

How Much Does a Muffler Delete Cost? If you're looking at a muffler delete, you're going to be pleasantly surprised with the costs. The parts themselves usually only cost between $50 and $250. Meanwhile, if you're looking for a mechanic to complete the job it only costs between $100 and $200.
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Can no muffler cause misfire?

When any of these components are damaged, it can impact vehicle performance, including causing engine misfiring. So, if the muffler has a hole or a leak inside the unit and loses its efficiency, it can cause misfiring in the engine, particularly when under deceleration.
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Is a Catback louder than a muffler delete?

Cat back: Replacing the exhaust from the catalytic converter rearward with new piping and a new muffler. Typically louder than stock, sometimes lighter.
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Does muffler delete sound good?

Removing the muffler is a solution and will also add loudness to your car. However, you do not know how your engine will sound like when you do a muffler delete. For the most part, your car will sound better, although some cars sound worse when straight piped.
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Which is louder mid muffler delete or straight pipe?

It often lacks a catalytic converter and muffler, allowing all the noises produced by your engine and the rear of your vehicle to be heard. This is why automobiles equipped with a straight pipe exhaust system are louder than stock vehicles.
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Do cops pull you over for loud exhaust?

If a cop thinks that your exhaust is too loud, you'll get a citation. So, even if you bought your own decibel meter and measured your vehicle's noise at 93 dB in your driveway, the citation is still at the discretion of the officer who pulled you over.
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Is Revving your engine illegal?

A person must not start a vehicle, or drive a vehicle, in a way that makes unnecessary noise. This includes unnecessarily revving a vehicle when it is stationary or repeatedly opening and closing the throttle when the vehicle is in motion.
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Do you have to declare a new exhaust?

Modifications to the engine or vehicle mechanics – such as the exhaust system, transmission, or air filter – must definitely be declared to your insurance provider. If you have added a turbo or supercharger to your engine, for example, it can increase the risk of accident, which will affect the cost of your premium.
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Do you need a tune after muffler and resonator delete?

No there is no tune required for a muffler delete!
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Is a muffler and resonator delete illegal?

Generally, resonator delete is not illegal in most places; that means you are at liberty to modify your car's exhaust compartment to your taste. If you choose to remove the muffler and the resonator to make your vehicle sound louder, it is your choice.
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Does engine need back pressure?

Many car enthusiasts interpret exhaust pressure as exhaust backpressure, and according to many, this backpressure is essential for an engine to make peak power.
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What does a muffler delete do to your car?

Improved performance – a muffler delete can significantly improve the car's exhaust flow, thus increasing the horsepower delivered by the car's engine; A great, roaring sound – if you like the loud roar of a powerful engine, you can get it with a muffler delete.
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Does resonator delete affect engine?

A resonator delete can also reduce your engine efficiency. It affects the back pressure of the exhaust gases, which may amount to more fuel consumption. So, a resonator delete can give your vehicle a slight increase in horsepower.
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Does straight pipe waste more gas?

Nevertheless, straight pipes are not an efficient way to make your car more fuel efficient. They will actually decrease the gas mileage of your vehicle by disturbing airflow and increasing turbulence in your engine bay. This may result in a loss of vehicle performance.
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Does straight pipe hurt your engine?

A straight pipe, for example, can cause exhaust gas velocity to increase. This will likely reduce engine performance below 2,000 or 2,500 RPM, making your vehicle a little slower to launch from a stoplight.
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