Vehicle Vehicle modifications (https://www.yourmechanic.com/question/what-tips-should-i-follow-about-accessories-and-modifications) can take many forms, from simple modifications such as light window tinting (https://www.yourmechanic.com/article/how-to-tint-a-car-window-by-jason-unrau) to under-vehicle LED lighting (https://www.yourmechanic.com/article/how-to-install-undercar-led-lighting-by-mia-bevacqua) to the more complex frame and suspension modifications. Laws and regulations for vehicle modifications have been set in...
A A car is a very complicated piece of machinery. In order for the car that you have to run as intended, all of its components will have to work as intended. Taking the time to have a car inspected...
Having Having a good exhaust system and muffler can help you lower your engine temperature and tweak your power levels, and purchasing a new performance exhaust system is one of the easiest and least expensive ways to soup up your...
The The muffler on a vehicle is designed to reduce the amount of noise coming from the exhaust system of your automobile. The muffler quiets the sound pressure that the engine creates by using acoustic quieting, which means the muffler...
Your Your car came from the automaker with a stock muffler. Eventually, it will rust and deteriorate, and you’ll need to replace it. You have options when this happens. You can most certainly purchase another stock muffler from a dealer,...
Your Your car has a muffler for a very good reason. If it didn’t, the sound of your exhaust would be very loud. A muffler, well, muffles that sound. It does this in a simple yet ingenious way. Of course,...
Your Your muffler is a very important part of your vehicle. Mufflers (https://www.yourmechanic.com/article/how-does-a-muffler-work) can have a strong impact on three different aspects of your car: how loud it is, how fuel efficient it is, and how much power it generates....
A A car is a very complicated piece of machinery. In order for the car that you have to run as intended, all of its components will have to work as intended. Taking the time to have a car inspected...
As As cars and trucks travel down the road, they all have a different sound that emits from the exhaust. There are so many factors that come into play when it comes to the sound an exhaust makes: the design...
Having Having a good exhaust system and muffler can help you lower your engine temperature and tweak your power levels, and purchasing a new performance exhaust system is one of the easiest and least expensive ways to soup up your...
Your Your car came from the automaker with a stock muffler. Eventually, it will rust and deteriorate, and you’ll need to replace it. You have options when this happens. You can most certainly purchase another stock muffler from a dealer,...
Your Your car came from the automaker with a stock muffler. Eventually, it will rust and deteriorate, and you’ll need to replace it. You have options when this happens. You can most certainly purchase another stock muffler from a dealer,...
Your Your car has a muffler for a very good reason. If it didn’t, the sound of your exhaust would be very loud. A muffler, well, muffles that sound. It does this in a simple yet ingenious way. Of course,...
It It all starts in the engine In order to understand how the exhaust of a vehicle works, there must be a basic understanding of the engine as a whole. The internal combustion engine in its simplest form is a...
Your engine is getting coolant into it and producing the white smoke out the tail pipe. The coolant could be getting into the motor from the intake, head gaskets, or head crack. The system would need to be checked to...
The exhaust is the same except for after the muffler on most of them. The F150 has long and short frames, and I am not sure which one is the same as the Expedition. Your best bet is to get...
Yes, a loose heat shield, exhaust leak, damaged muffler or catalytic converter, or even a faulty engine mount may all contribute to a rattling noise. The exhaust system and motor mounts need to be inspected for contact issues. You may...
Hello, thank you for writing in. The catalytic converter (https://www.yourmechanic.com/services/catalytic-converter-replacement) is there to remove certain emissions like CO and NOx before your exhaust is pumped into the environment. While this is the practical and "environmentally responsible" thing to do, your...
You need to find out if the muffler they put on is equal to the factory muffler or did they put the wrong one on and it is too noisey. It is this or there is an exhaust leak. Have...
Hello, thank you for writing in. The hooks are simply what hold the exhaust in place. If the hooks on the bottom of the vehicle are broken, then the exhaust pipe and possibly the muffler, are banging against the bottom...
Hi there. There is an exhaust leak under the vehicle. Check the catalytic converter, muffler, and all the clamps under the vehicle on the exhaust pipe and see if anything came loose. Hook up any parts that are disconnected on...
Hello, thank you for writing in. The exhaust system up to the muffler is what is responsible for proper engine and emissions performance. The muffler's only job is to muffle the sound of the engine as it is amplified through...
Hi there. It is normal for an engine to backfire when revved up and the throttle is let off, especially if the muffler is small and the exhaust is loud. Now, if the engine is backfiring while the engine is...
Hi. Yes you should put in new gaskets for your exhaust system. If you do not replace the gaskets there is the potential that the old gasket will leak and cause exhaust noise. When replacing anything that has a gasket...
A muffler falling off of a vehicle is usually the result of the hardware that keeps it fastened to the exhaust system failing or the muffler being rusted out near the flange that is bolted to the rest of the...
Fuel injector cleaner typically will not affect anything in cars as it is formulated for modern vehicles and is safe for all sensors. The issue may have started right after you added the cleaner, but my suspicion is that it...
This engine may have oil leaks from the valve covers, or any other engine gasket below the covers. When looking at oil leaks, the best practice is to look at the highest point of the leak, which may be leaking...
Hello. You are correct. The most likely cause is going to be a faulty gasket. Look at any joining sections of pipe from the exhaust manifold back. It is often hard to check certain parts, and that is where exhaust...
Hey Pete, thanks for writing in. The replacements have more to do with what is actually wrong with the vehicle. If they have been modified illegally, then the answer is an automatic yes. Not only does it cause issues with...
As long as the vehicle has a catalytic converter and muffler, you can put what ever pipe you want on the vehicle as long as the pipe is not near any fuel tanks, electrical wiring, and any brake lines. It...
Hi there. Depending on your state that you live in and the emissions requirements, removing the muffler may cause your vehicle to fail emissions. Plus, on a newer vehicle that has a manufactures warranty, removing the muffler completely can void...
Hi there. Removing a muffler is illegal on vehicles with gasoline engines that need to pass emissions in counties that suppress the emissions law. For counties that do not enforce the emission law, meaning there is no emission testing required,...
Removing the muffler will not decrease the horsepower, but instead it will create less back pressure on the engine, making the engine breathe a little more. Make sure that the exhaust will not be too loud for the zoning laws...
If you do not have any problems with the engine getting low on coolant then the water dripping from the muffler is normal condensation dripping from the muffler. Most mufflers have a small drain hole on the bottom low side...
