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Most trucks are quite powerful - that's probably why you own one. Trucks are made to haul and tow thousands of pounds without difficulty, so they need lots of power. Yet despite their powerful engines, most manufacturers equip their new vehicles with a relatively quiet exhaust system. If you think your truck ought to sound as powerful as it is, or if you'd like to reduce some of the constrictions in your truck's exhaust, then you're probably considering adding to or changing your factory exhaust system. The factory exhaust system already on your truck is already a pretty efficient system and doesn`t really need much modifications to be improved. The first part of your truck's exhaust system is the exhaust manifold, which channels exhaust from individual cylinders into larger main pipes. These systems are efficient and don't need to be changed, but if you decide you want to anyways, you'll need a set of headers. Quality headers like the ones you'll want will have a ceramic coating and factory mounting points for the sensors. Most of the time though, the standard manifold is more than good enough. The catalytic converters are the next stop for exhaust gases as they travel through your truck. It's not exactly a good idea to take these off - your factory catalytic is already very efficient and a legal requirement on your vehicle, so you'll want them to stay on your truck. The only time replacing the standard catalytic on your truck might be a consideration is if you were adding a very powerful upgrade, such as a turbocharger or supercharger, to your engine. As they leave the catalytic converters, exhaust gases will cool down a bit and enter the muffler. The factory mufflers usually aren't too restrictive, and replacing them won't make a huge difference in the amount of hp or torque you get. The average change is about 3-5 hp and 5-10 ft-lbs of torque. After market mufflers, however, will make a dramatic change and are definitely worth the money. Your truck will sound much better! After the mufflers, exhaust exits the truck via the tailpipe. You can add tailpipe tips to this part, but it'll be purely for decoration purposes, and won't affect the exhaust system in any way. Obviously, the most logical thing to do if you want to make a change to your exhaust system is to exchange the factory muffler for an after market one. It'll produce the biggest, most noticeable results. Consider this when looking at after market mufflers: First, ask yourself if you really want to be hearing the exhaust ALL the time. If you do, make sure to take that into account when selecting your muffler. If you'd prefer not to hear the muffler in the background as you're driving down the highway, choose a muffler that's not described as loud. You can look online or at your local muffler shop for more help on finding the perfect muffler. There are even sound clips on many muffler manufacturers' websites now so you can hear what your muffler will sound like before you buy. Second, do you want something that people can slightly hear when you drive by, or do you want something so loud that the neighbors know exactly what time you leave for work every morning? Words like "racing" or "glasspack" usually indicate exceptionally loud mufflers, so watch out for those terms unless you want a lot of attention. Another important choice when considering a new muffler is single or dual exhaust. Remember, most factory exhaust systems are pretty good. If your truck came from the factory with a single exhaust, it will work just fine and give good performance with a single after market exhaust system. Dual exhaust systems cost more money, but they look and sound better than single exhaust systems. If you decide to go with a dual exhaust, make sure that your installer works around your trailer hitch and/or leaves room for one in case you want to add it on later. The last thing to consider is exhaust system material. You should make this decision based on where you live. Drivers who live near saltwater will want to invest in stainless steel. It may be more expensive, but it'll hold up again saltwater corrosion for much longer than galvanized or aluminum steel. If you don't live near a saltwater environment, stainless steel will be a needless expense. If rust ever gets into your system, it will take years for you to feel the effects.
Article Source: http://www.avidarticles.com
Author Jason Lancaster, a car industry veteran, developed AccurateAutoAdvice.com. You'll find accurate auto advice and tips for buying a car.
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