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MagnaFlow

Exhaust Systems

Give your ride a performance boost, awesome sound, and a custom look with a quality engineered exhaust system from TruckChamp.com. Featuring brands such as Gibson, Magnaflow, MBRP, and Flowmaster, our selection of exhaust system kits and components are available for a wide variety of cars and trucks. Get rid of your old clunky tailpipe and install a sweet exhaust system!

 

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3 Subcategories Found for "Exhaust Systems"

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ADDITIONAL EXHAUST PRODUCTS:
Catalytic Converters

Catalytic Converters

MagnaFlow

MagnaFlow's production and design techniques contribute to their standing as the highest quality and best valued catalytic converters on the market. Count on MagnaFlow being the last catalytic converter you'll need for your vehicle! Available in California and 49-State models.

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Exhaust Accessories

Exhaust Accessories

FlowmasterGibson

Includes tailpipe and muffler heat shields, universal muffler installation kits, y connectors, header connectors, ball flange kits, and premium ring clamps.

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Exhaust Sensors

Exhaust Sensors

K & N

Monitor and increase the performance of your exhaust system with K&N exhaust sensors from TruckChamp.com.

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Exhaust Smoke Stacks

Exhaust Smoke Stacks

MBRP

  • Comes in a complete, ready to install system
  • Includes every clamp, bolt and hanger
  • Sold separately to fit each truck
  • Compatible with all 4” exhaust systems
  • Made of mirror polished T304 high grade stainless steel
  • Each stack includes stainless steel band clamps

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Pipes and Tubing Hardware

Pipes and Tubing Hardware

MBRPFlowmaster

Improve the performance and sound of your exhaust system with a variety of X/Y pipes and other exhaust tubes from TruckChamp.com. With all of these options, you can create a unique exhaust sound that will be sure to turn heads!

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Diesel Exhaust Systems

Learn More About Exhaust Systems:

Exhaust Systems
The TruckChamp Learning Center

The Truck Champ Exhaust Systems Learning Center

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An "exhaust system", in its most general sense, is any apparatus whereby flue gas (that is, gas which is emitted into the atmosphere via a pipe or flue) is channeled away from the controlled combustion of a given fuel. The smoke stacks at a nuclear power plant, the chimney on one's house and, of course, the tailpipes of automobiles are all components of exhaust systems. These three examples alone substantiate the claim that exhaust systems are ubiquitous and essential to our daily lives.

The focus of the present article is on exhaust systems in automobiles. As mentioned above, the point of contact for most of us with vehicle exhaust systems is the exhaust pipe. This is merely the terminal point, however, for a considerably more complex assembly which makes up the exhaust system in total. As one might expect, there is considerable variation among exhaust systems depending on the nature of one's automobile and his/her vehicle performance needs:

  • If optimal fuel economy and engine performance are a priority, then a performance exhaust system such as Magnaflow would be a wise option.
  • Depending on the system's muffler, your car could purr like a cat or roar like lion.
  • Some brands of exhaust systems (including Magnaflow performance exhaust systems) vary in design according to whether the system is intended for installation in a truck, car, or SUV.

The consumer should bear in mind such considerations when shopping around for a new exhaust system. But before treating of these details, we'll first outline those features which are common to vehicle exhaust systems.

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Obviously an exhaust system by itself is nothing to write home about. Of course, if you had a brand new shiny exhaust system by itself , sitting on your coffee table... well, that might be something to write home about. But insofar as it is a part of your car, the exhaust system is useful because there is an engine expelling noxious fumes and smoke as a byproduct of the combustion of fuel . Many of us did not have auto shop classes in high school , so it is probably not a bad idea to start with an informal overview of the fuel-consumption process.

The intake valves attached to the top of a given cylinder (most car engines have at least four of these) suck a mixture of fuel (from the gas tank) and oxygen into that cylinder's chamber , where a spark plug (or glow stick ) ignites the mixture, causing a controlled explosion. The energy of this explosion (combustion) is then transferred to the cylinder's piston, which is moved up and down by a crank-shaft, which in turn generates power for the transmission and finally sets your wheels in motion. This is an abbreviated version of course.

In the United States, ell exhaust systems include a catalytic converter and a muffler (in the UK, this is called a “silencer”). The job of the catalytic converter is to reduce the toxicity of you engine's exhaust. These were first widely introduced on series-production automobiles in the US market for the 1975 model year in order to comply with tightening EPA regulations on auto exhaust. If you have ever traveled to a region of the world where catalytic converters are not required for automobiles, you already know that they are a tremendous help in promoting better ambient air quality.

The job of the muffler , as you might have guessed, is to dampen the loud noises caused by combustion. Technically speaking , these sounds are in fact exhaust , for the same reason that the smoke that comes out of the tail pipe is exhaust. Both are manifestations of energy lost during the combustion process. Most stock mufflers are designed to eliminate as much engine noise as possible. However, many who invest in their vehicle's performance opt for less dampening, choosing instead to let their engines--- optimized by a performance exhaust system--- let out a healthy growl as they drive by.

Now, in an ideal world, all of the fuel you pay for at the pump would be turned into energy to power your car. However, thanks to the second law of thermodynamics, this is not the case. Much of the energy of combustion is lost in the form of exhaust. (This was true even in the days of horse-drawn carriages. For these, however, the exhaust system was a little more unpredictable and... umm... messy. ) The efficient and thorough extrication of exhaust from your car's cylinders can improve both its performance and fuel economy and it is for this reason that a Magnaflow performance exhaust system could be a wise investment for you.

It doesn't take too much reflection to realize that the cylinders we just mentioned, and the other parts involved in the process of combustion, can do a much better job of turning fuel into power for your car if exhaust can be removed more quickly from the cylinder chambers to make room for a purer mixture of fuel and oxygen. So how can one improve the typical exhaust system to achieve these benefits? Read on...

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It is usually the case that automobile manufacturers are more concerned with minimizing their expenses than with providing optimal performance for the consumer when it comes to the design and production of exhaust systems. Take for instance the bends and curves of the pipes used in most stock exhaust systems. Car manufacturers use a simplistic approach called “press” bending to mold exhaust pipes; in essence a prefabricated pipe is bent to conform to a design spec. As you can tell just by bending a straw, this significantly reduces the diameter of the pipe where the bend occurs. The result is a bottleneck effect , hampering the flow of exhaust away from the engine.

In the construction of performance exhaust systems, such as the Magnaflow system, a more nuanced approach called “mandrel bending” is employed. To make certain that the pipe retains uniform diameter at the end of the molding process , a flexible rod (or mandrel) is inserted into the pipe. Thus the pipe must conform to the diameter of the mandrel even where it is bent. This is a simple idea but when combined with the other optimizations mentioned below, it makes a huge difference.

While maintaining a consistent diameter for the pipes of your exhaust system is important, so too is making sure that the chosen diameter is optimal for your auto. Again, in an effort to minimize the costs of manufacturing, auto makers use as little material as possible in the fabrication of stock exhaust systems. The result ? Pipes that are too narrow to allow for the efficient flow of exhaust. Performance exhaust systems like Magnaflow provide pipe diameters that are customized to your particular automobile. Finding the right diameter for your exhaust system together with making that diameter uniform throughout the bending process puts basic geometry to work for you and your automobile. Hooray Pythagoras!

This brings us to the concept of “engine scavenging”. Whenever a fluid or gas moves through a pipe, a vacuum is created . In particular, a vacuum is created with every explosion that occurs in a cylinder's chambers, creating a suction effect that is continuous from the moment the car is turned on until it is turned off. In the context of combustion engines, this phenomenon is called “scavenging“ and a well-designed performance exhaust systems can capitalize on it to further enhance engine efficiency.

A “manifold” is an assembly included in most stock exhaust systems, and its purpose is to accumulate the exhaust from two or more cylinder heads and merge it into one pipe for extrication. Unfortunately, this usually results in an inefficient use of engine scavenging. In the design of a high performance exhaust system, engineers create a manifold without regard to cost of manufacturing or weight but with an eye to optimizing performance. The result is a manifold that is more efficient at scavenging the exhaust from the cylinders. Performance manifolds are usually fabricated from circular steel tubing with bends and folds measured to make the paths from each cylinder's exhaust port to the common outlet all uniform in length, and joined at narrow angles to encourage pressure waves to flow through the outlet. In a set of well-tuned performance manifolds the pipe lengths are meticulously calculated to enhance exhaust flow at a particular engine rpm. It is precisely this configuration of manifolds that allows performance exhaust systems to harness the power of engine scavenging.

Exhaust Tips

No performance exhaust system would be complete without a classy , eye-catching exhaust tip. While aesthetics are a major motivation behind one's choice of exhaust tip (or the decision to have one at all) , they can in fact serve as a functional part of a performance exhaust system. The tip is usually made of chrome (or chrome-plated) and is often of a larger diameter than the pipes in the rest of the exhaust system. This variance in diameter produces a final reduction in exhaust pressure.

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Question: Does MagnaFlow make a Catalytic Converter?

Answer: YES. Car Sound Exhaust System, LLC., the parent company of MagnaFlow Performance Exhaust, manufactures catalytic converters . Their converters are of the highest quality; one should should hope for nothing less , since the widespread use of effective catalytic converters is vital for protecting our environment. The production and design techniques of their catalytic converters contribute to Car Sound’s reputation for the highest quality and best-valued products on the market, a reputation Car Sound Exhaust System has enjoyed troughout its more than 20 years of business.

 

Question: Are all your Cat-Back Systems made with Stainless Steel?

Answer: With the exception of the Titanium Performance Exhaust System, stainless steel is the material of choice for the systems we carry. Everything from the pipes, hangers, clamps, muffler and tips. Tips, mufflers, and resonators (where applicable) are "mirror finish", polished stainless steel. Stainless steel is your best bet in terms of both aesthetics and durability.

 


Question: What does the Cat-Back Exhaust System include and can I install the system myself?

Answer:The Cat-back systems we carry are complete exhaust systems; including pipes, hangers, clamps, mufflers and tips. The Installation is straightforward and requires only basic tools and no welding is required. For this reason, many customers opt to install their systems themselves. It usually takes one to two hours of work.

 


Question: Does a dual cat-back exhaust system perform better than a single?

Answer: Usually a single will provide optimal torque and horsepower. For a heavily modified engine, however, going with a double might be the best bet. (Recall that “torque” refers specifically to the force involved in radial motion, e.g. turning gears).

 

Question: Will I get better gas mileage with MagnaFlow Performance Exhausts?

Answer: Yes! In general, a better performing engine uses fuel more efficiently,all other things being equal (e.g. there is no variation in driving habits ) . There is no guarantee of better mileage however (Our mufflers are performance mufflers!).Diesel trucks using Magnaflow Performance Diesel will see the most dramatic improvements since that system drops EGT's (that is, Exhaust Gas Temperature) over 150 degrees.

 

Question: How much horsepower can I expect to gain?

Answer: This varies from car to car and from driver to driver. But an increase in efficieny of 10% is usually a legitimate expectation!

Using a Magnaflow exhaust/muffler system will facilitate more rapid evacuation of exhaust , which means that combustion will be more effective. This typically results in less work for the engine, more power, and better fuel economy for the consumer.

 


Question: Are MagnaFlow Performance Exhaust systems legal?

Answer: With the exception of Magnapacks (local laws vary for these systems) ,all of the systems we carry comply with federal and state laws. In terms of noise pollution, the products we carry are designed with legal sound level limits; however, when used in conjunction with other products (such as air intake systems or exhaust headers), the overall combined effect might cause particular vehicles to exceed the allowable limits.

A new law (27150.2 VC) no longer requires police to use a sound meter to test for excessive noise. A citation may now be based on the officer's discretion. Cited violators may have testing done at a smog referee station.

www.sema.org ( SEMA is a trade organization of the automotive aftermarket) is a good resource for researching your consumer rights.

 


Question: What muffler is right for my car?

Answer: There are a few options here.

  • Do you need an offset muffler?
    TThis has to do with the location of the inlet/outlet pipes in relation to the muffler.
  • Do you want a stainless steel or aluminized muffler?
    The main difference between the two is the outer shell of the mufflers. Both have the same internal construction and materials. That is, both stainelss and aluminum mufflers have stainless internals and necks. Stainless steel mufflers are (surprise, surprise!) 100% stinless since the shells for these mufflers are also made of stainless steel. Stainless steel is more eye-catching and is resistant to oxidation. In short, Nothing looks better or lasts longer than stainless steel. The aluminized steel mufflers have only a protective coating that could rust if scratched off. Regardless of your choice of material, your muffler comes with a lifetime warranty. Moreover, either choice will provide you with Straight-through Wide Open Performance, minimizing restrictions on the flow of exhaust and ultimately giving you more horsepower.
  • Sound of the mufflers?
    Loudness is inversely proportional to muffler sizs: the bigger the muffler the quieter the exhaust system.

 

Question: What sound difference will I get with a smaller muffler as opposed to a larger muffler?

Answer: A smaller muffler will give you a louder sound. A larger or longer the muffler, will “muffle” the sound more.

 


Question: What's the difference between Stainless Steel and Aluminized Steel?

Answer: As you might have guessed, the main differences are the price and physical properties. Physically, the obvious difference is in the construction of the shell; the aluminzed steel is coated with aluminum whereas stainless steel is steel throughout. In general stainless steel costs more than aluminized steel. In terms of aesthetics, 100% stainless steel is better looking and will never rust. Nothing looks better or lasts longer than stainless steel.

 


Question: What discolors tips? How do I fix it?

Answer: Regardless of whether your tip is made of chrome or stainless steel , some discoloration over time is usually to be expected.

During the final polishing process, a compound (other than steel or chrome) is used to give the tip its luster. This compound is made of small metal particulates that fill in the pores of the underlying chrome or steel . These fien particualtes are subject to oxidation, which changes the color of the surface to yellow or gold. In essence, the particulates rust. Heat and harsh climates accelerate this process.

In some cases, the tip may turn blue. This is from heat. Some vehicles, especially modified vehicles, see increased exhaust temperatures as a result of their modifications. Even some vehicles left in stock condition will produce exhaust sufficiently hot to cause discoloration.

 

Question: Do you offer a warranty on all your products?

Answer: Yes, we offer a lifetime warranty on all our MagnaFlow Products with the a few exceptions. Our XL series mufflers/exhaust, catalytic converters, and our titanium performance exhaust come with a limited warranty.

 

Question: Will it void my factory warranty?

Answer: NO. You are afforded certain rights and you should be aware of them!

In general, it is illegal for an auto dealer to forfeit an OE warranty on account of your having changed the exhaust system. However, you will want to be armed with some basic information if this should ever become an issue with your dealer.

To summarize::

The burden of proof is on the dealer or manufacturer. That is, in order for a dealer/manufacturer to void a warranty on a claimed part, they must be able to demonstrate that whatever alterations you made clearly caused detriment to the part/vehicle covered by the warranty.

Consequences for you.
Suppose you install a new turbocharger system. Could this void the transmission warranty? The axle warranty? Possibly. The increased stress to these components resulting from the added power output from the turbo could provide sufficient grounds for your warranty to be denied.


What about a cat-back exhaust system?
Those high quality systems which are legal in all 50 states are installed behind catalytic converters, so they do not usually effect other components, even other emissions components. Accordingly, the likelihood of jeopardizing other warranties is pretty slim. MagnaFlow, like most other manufacturers of high-quality exhaust systems, designs its systems so that no modifications to other parts are necessary for proper installation. Random “check engine” light sightings and other surprises should not occur unless there’s a leak in the system ( which, should it happen, is almost always caused by an oversight during installation )and they will not effect emissions. Remember the following facts. (1) Combustion in your engine is the source of emissions. (2) The exhaust system is simply the path through which these emissions evacuate. Freer flowing exhaust will neither inhibit the flow of emissions nor create more of them. These factors are all controlled by engine management and the catalytic converter(s).

Bottom line: A properly engineered exhaust system will not cause any failures to any other systems (e.g. any other parts of the engine, suspension, chassis, transmission, electrical system)

As important as it is to have well-manufactured parts, it is hard to over-estimate the value of proper installation. MagnaFlow is meticulous about ensuring ample clearance of fuel lines, electric lines, brake lines, etc. But , as with the installation of any other part or system, if attention to detail and rigid adherence to instructions are not maintained, there could be interference with other components. For this reason, unless you have at least some basic knowledge of working on vehicles, we recommend leaving the task of installation to a MagnaFlow “Preferred” dealer.

Regardless of how you go about installation, tit is important that you are armed with the information discussed above. Some dealers simply have misgivings about even inspecting a car that is just slightly different from what they are accustomed to.

What do I do if denied a warranty?
You are entitled to a denial denial in writing and be certain that you get one! Remember the burden of proof is on the dealer/ manufacturer; their written claim should give solid evidence for the alleged breech of their warranty.

Contact the Regional Service Manager and of course, the manufacturer of your vehicle. To these folks mention Magnuson Moss Warranty Act . This will tell them that you know your rights and that they need to take you seriously. Usually the problem is settled here; most dealers and manufacturers are honest, but they are also cautious. Don't be cynical, but keep your wits about you as some dealers are better than others (we have all had bad experiences!). Internet chat rooms are a good resource for finding out about your rights and the particulars of certain warranty issues.

Showing the dealer / manufacturer that you have done your homework is always a good idea, and will compel the less-than-scrupulous to obey the law!

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