Exhaust Systems

The EGR valve, or Exhaust Gas Recirculation valve, is a vacuum-controlled valve which allows exhaust back into the intake manifold in controlled amounts. The EGR valve can clog and get...

The catalytic converter is part of the exhaust system of an automobile and is designed to reduce pollution in the car's emissions. It oxides carbon monoxide and other pollutants into carbon...

Exhaust manifolds work in very punishing conditions. They conduct exhaust gasses with core temperatures that top 1,000 degrees F from the engine to the exhaust pipes. Many stock and aftermarket...

Installing a custom exhaust can increase horsepower to your vehicle, and give your ride a quality sound that can really change your feelings about the car. This is something that can be done at...

Kids in the United States who reach driving age today probably don't remember acid rain and smog alerts. Those problems still exist, but their frequency and intensity have been mitigated, due in...

An EGR valve is a factory sealed unit, so it cannot be re-manufactured, but the problems associated with a failing EGR valve can be solved by replacing the unit. The EGR valve (exhaust gas...

Vehicle exhaust removal is important whenever working on an automobile in an enclosed space. In some garages and work areas, permanent exhaust removal systems may prove too large or inefficient to...

Motorcycles are distinctive vehicles, mostly because of their loud exhaust and their association with the American rebel. Not all motorcycle enthusiasts wants a loud exhaust, or they may just want...

Your vehicle's exhaust is designed to expel all of the hot gases from the engine and push it out through the tailpipe. As a result, it gets pretty toasty under your vehicle, and that heat can...

A clogged or stopped-up converter will affect the performance of the vehicle's engine. Partially clogged will reduce power because the exhaust system is not being allowed to breathe properly. A...

The easiest way to increase the horsepower in your vehicle is to increase the amount of air coming in or going out of the engine. One of the ways to do this is to customize the exhaust. By adding...

The Ford Mustang has been popular since its introduction in 1965, and people have been working on making the pony car faster since day one. One of the big improvements you can install is an x-pipe...

Oxygen sensors have been integrated on vehicles for more than 30 years. Located in the exhaust system, they monitor fuel-to-air ratio and catalyst efficiency. While working in a hostile...

Most riders call it "that Harley sound": the loud, rumbling exhaust that lets you know there is a Harley-Davidson motorcycle around. The stock pipes that come on a Harley are designed to meet...

Subaru Motors has employed multiple catalytic converters on its vehicles for many years now. Because the engine compartments are small and since the catalysts need heat to operate effectively,...

Rust is a problem no matter where you find it. But when it's the bolts and nuts on your exhaust system, it can be a little bit trying. There are multiple ways to remove a rusted bolt from the...

The LT1 is an engine designed and built by General Motors. It was fitted into several of GM's production vehicles. Due to its power output, the motor was used extensively on GMs high-performance...

As a result of the air/fuel mixture igniting within the engine, the engine produces carbon monoxide. That carbon monoxide, generically referred to as "exhaust," is routed out of the engine and to...

Rust can ruin a car, and it often hits the lowest part of the vehicle first. One of the most susceptible pieces to get damaged is usually the exhaust system. They're generally made out of welded...

The exhaust system in a vehicle is important because it expels heat and gas away from the motor. Excessive heat can cause gasket leaks, piston failure and other problems with the engine. The...

The oxygen (O2) sensors on an Oldsmobile Aurora are a series of small sensors placed in the exhaust system that monitor the amount of unburned oxygen in the exhaust. The O2 sensors relay this...

Some cars' exhaust systems will produce an odd burble or bubbling noise. For the most part this is deliberate when it occurs in vehicles upon acceleration, but not always. Many "street racers" and...

Catalytic converters are used to clean up car exhaust by burning left over fuel, not burned by the engine. They use particular properties of precious metals to catalyze the burning of hydrocarbons...

Nothing can be more frustrating than a broken-off bolt on your vehicle's exhaust manifold. Not only is this putting stress on the rest of the attaching bolts for the manifold and the manifold...

We've all heard the old saying, "Patience is a virtue." Wiser words have never been spoken when it comes to exhaust studs. Unfortunately, if you have to remove a stud, chances are it's because it...

A natural byproduct of a combustion engine is water. It is expelled with the exhaust gases. Fuel is mixed with air and then forced into the cylinders. Once the mix is inside the cylinder, a small...

The easiest way to change the sound of your exhaust is to change out the muffler. Generally, this is done at an exhaust shop. But if you have a welder and some time, you can do it yourself using...

The byproducts of automotive combustion are carbon dioxide, carbon monoxide, nitrogen oxides and water. After the engine has used up the ingredients required for combustion, these byproducts must...

The exhaust system on a vehicle is designed to carry the burned engine gases away from the car, according to www.autoeducation.com. If there is even one exhaust leak, these gases, which include...

The EGR, or exhaust gas re-circulation, valve is a key part of your vehicles exhaust system. The EGR valve is responsible for making your vehicle run efficiently by optimizing fuel intake. The EGR...

The Mazda RX7 exhaust may need to be replaced if you live in northern climates where road salt will eat away at the metal underneath the car or if you live near the ocean (where the moisture and...

Prior to the 1970s, cars spewed unhealthy emissions into the air, creating smog. One man, with the desire to clean up the air we breathe, found a way to convert the pollutants in automobile...

The Dodge Ram Sport is a full-sized pickup truck made by Chrysler. The 1999 model year represented the end of the second generation for the Dodge Ram Sport. Like all trucks, the Ram takes a lot of...

Installing a dual exhaust on a Ford station wagon is the exact opposite of removing it. However, if you had the exhaust removed for you or you are doing custom work for your vehicle in stages, you...

An exhaust manifold gasket seals the exhaust to the engine block. Typically, the only time you need to change the gasket is when you notice an exhaust leak. After you have removed the exhaust,...

The catalytic converter is a key piece of an car or truck's exhaust system. It removes many of the toxic substances prevalent in the emissions of an internal combustion engine.

While a catalytic converter is designed to last 10 years or more, several variables can make it die sooner. Nowadays, vehicles employ more than one converter, which increases the chances of...

Exhaust manifolds on 1993 - 1998 Grand Cherokee's (ZJ) with the 4.0L engine are prone to cracking at the factory welds. Repairing one will save you hundreds of dollars to replace it. Note: This...

Gibson exhausts are bolt-on cat-back exhaust systems made primarily for trucks. However, Gibson does have design models for cars, motor homes, and SUVs. A cat-back exhaust system is the section of...

The oxygen sensor monitors the fuel-to-air ratio in the spent exhaust near or on the manifold. Since the integration of OBD II (on-board diagnostics) in 1996, the amount of oxygen sensors on...

Oxygen sensors have two basic functions: upstream sensors close to the manifold meter the amount of oxygen and burned fuel mixture in the exhaust; downstream sensors located near the catalytic...

Historically, the Jeep is known to have been one of the first off-road vehicles on the front lines of many wars. The technology that made this vehicle a star player on the battlefield makes it...

It's not always easy to choose an aftermarket exhaust system for your truck that gives you the power and the sound you are looking for. This How To takes some of the mystery out of the entire...

When an engine's spark plug ignites the air/fuel mixture within the cylinder, the mixture explodes and pushes the piston downward. Once the engine reaches its lowest point within the cylinder, the...

Catalytic converters are engine exhaust emissions devices installed on vehicles to help reduce the levels of vehicle exhaust emissions. Similar in size and shape to a vehicle exhaust muffler, a...

The exhaust manifold is bolted directly onto the engine and is where the exhaust gases are vented to on the way to the exhaust system. While this component rarely needs to be replaced, it is often...

The turbocharger is an exhaust-driven supercharger. It has been used to increase power in combustion-type engines for cars, trucks and marine vessels. The turbocharger, or "turbo" for short, is...

The exhaust system on a truck helps to direct the exhaust gases away from the engine bay and safely out the rear of the vehicle. Since exhaust gases coming out of the engine are extremely hot,...

A catalytic converter is an exhaust emissions device that is part of a vehicle's exhaust system. In charge of lowering the exhaust emissions that exit a vehicle's tail pipe, a catalytic converter...