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The majority of car engines would produce significantly more noise if it wasn’t for the muffler. It’s a carefully designed part which works to reduce the amount of noise from the exhaust system, and if there’s an issue with the part you’ll notice a substantial increase in the noise coming from the rear of your vehicle. While small holes can often be patched up and repaired fairly easily, more significant damage may mean your muffled will need replaced. Muffler replacement costs between $46 – $314 for the majority of cars, with costs varying depending on the parts required and the labor time involved. Muffler Replacement Cost ComparisonBelow are a list of sample costs from the leading garage chains in the country. Many factors can influence the price, such as where you live and what kind of car you drive, so use these costs as a rough guide only. Your Mechanic
Midas
Mr. Tire
Pep Boys
Walmart
Amazon
What Is the Muffler?A muffler is designed to significantly reduce the noise that your car engine produces. Inside it is a set of tubes that are tuned in such a way that they reflect the sound made by the engine and cancel some of it out.The noise is created by pulses of high and low pressure air which forms when the engine exhaust valve opens and closes. The sound created from this effect travels faster than the compressed air molecules and arrives at the muffler before the gases do. The science behind this is similar in principle to noise cancelling headphones. The exhaust gas enters the muffler through an inlet into a resonance chamber. From here it is forced into a perforated tube and released before being forced into a second perforated tube. The purpose of the tubes is to create a sound wave that is exactly opposite to the frequency initially created by the exhaust being released from the engine. The result is a cancellation of the sound before the exhaust gases are finally released through the muffler outlet. The Benefits of Repairing Your MufflerThe main advantage with a new muffler is gas mileage. Over a period of time, sooty deposits can build up which impair the ability of a muffler to do its job. The muffler can break down inside with age and you may not notice it happening. Essentially the engine is being choked and its efficiency can drop dramatically. A damaged or blocked muffler can also result in engine starting issues. So if you getting less mile per gallon than you expect, then it is time to get the muffler checked. When Should A Muffler Be Replaced?A hole in the muffler can cause a number of issues and it should be replaced as soon as possible. The perforation can cause:
What Is Done During Muffler Replacement?
How Can You Save Money on Muffler Replacement?It is possible to replace the muffler on a car yourself, with the correct tools and equipment. It can save you on installation costs and you may be able to purchase the muffler for less than your local garage will charge.Carrying out maintenance on a car can be dangerous so always make sure that it is on a flat surface before attempting to jack it up. A car should never be left on a hydraulic jack when being worked on so ensure you have suitable ramps or axle stands before going underneath. The car should be left on park with the ignition keys removed, and always have a safety person in the vicinity. You will need a selection of tools including suitable size deep wall sockets, a hacksaw and a pry bar. Always remember to use penetrating oil before attempting to loosen the brackets and clamps. There are numerous suppliers who will happily sell you a replacement muffler and the prices do vary considerably. Buy the best you can afford as it will typically last the longest. If new clamps and hangers are not included in the deal, you will need to budget for them separately. Make sure that you have a suitable jointing paste for reassembling the exhaust and muffler. Tighten all nuts and clamps equally on both sides of the joint. Unequal pressures may lead to the muffler not seating correctly which will cause gas leaks and noise. It will also lessen the efficiency of the engine. Start the engine and listen. If it sounds right, it probably is right. Take the car for a test drive over a variety of surfaces were possible and check for any strange noises or bumping sounds. It is also advisable to re-check the nuts and clamps after the test in case they have loosened off. A correctly fitted replacement muffler will give many years of trouble free motoring, improve engine efficiency and enhance your driving experience. Sample Costs for Replacing Your MufflerWe’ve compiled some sample costs for having the muffler repaired on some of the most widely owned cars in the country. These costs can vary from place to place, so should be used as an estimate.
Muffler Replacement Costs Submitted By Our UsersCompare your quote to other individuals from around the country to make sure you are getting the best deal. The average for Muffler Replacement is $238 Loading Chart...How much does it cost to replace a Jeep muffler?The average cost for a Jeep Wrangler exhaust muffler replacement is between $563 and $589. Labor costs are estimated between $100 and $126 while parts are priced at $463.
What are the signs of a failing muffler?Signs of a Failing or Damaged Exhaust or Muffler. Excessive Engine/Exhaust Noise. ... . Reduced Fuel Economy. ... . Slow Acceleration. ... . Stench of Strong Gases. ... . Banging or Knocking Sound Beneath the Vehicle. ... . Rust Caused By Condensation. ... . Engine Is Misfiring. ... . A Burning Smell Coming From the Engine Bay.. How much does it cost to install a muffler?On average, you can expect to pay between $100 to $300 for a muffler replacement. This includes the cost of the new muffler as well as labor to remove the old one and install the new one. Labor is typically at least half the cost of any car repair, so the mufflers themselves aren't terribly expensive.
Can you replace just the muffler?You can take your car to a muffler shop for a replacement, but installing a new muffler yourself is fairly easily and cost-efficient. To complete your muffler installation, you'll need a jack to lift up your car, a wrench, different sized ratchets, lubricant, and possibly a hacksaw.
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