Should You Change The Exhaust On Your New Tundra?

Should You Change The Exhaust On Your New Tundra?

Toyota made a fast truck when they redesigned the new Tundra. The 5.7L V8 has 381 hp, making it a good truck for hauling and towing. But a lot of people will tell you that you should modify the factory exhaust system. You should only consider it after you've learned the facts.

Fortunately, the factory exhaust system is efficient and doesn't require much modification. The new Tundra comes with a 4 into 2 into 1 exhaust manifold, which has been found to be most efficient for moving exhaust gases quickly. The exhaust manifold is also made out of stainless steel, which is light and resistant to rust. And, the exhaust manifold has equal length exhaust tubes making it as good as most products available after-market. In short, the exhaust manifolds on your new Tundra don't require any modification.

Next we have the catalytic converters. These legally required emissions control devices are often accused of restricting a vehicle's exhaust, but in the new Tundra that's not the case. They are efficient and they benefit the environment, so they're definitely off limits.

After the catalytic converters, the exhaust gases from each side of the motor cool somewhat and meet-up at the muffler. Again, the factory system is pretty good. You won't see a significant hp and torque gain by replacing the factory muffler (3-5hp, 5-10ft-lbs at the most), but you will HEAR the truck better. The rumble that you'll hear if you do this is intoxicating, but there are about a hundred different mufflers to choose from to help you get the rumble you want. TRD, Borla, Flowmaster, Gibson, Edelbrock, Magnaflow, etc all offer quality products. While brand is important, it's more important to know what you want.

First of all, find out if the muffler you like is going to have any "exhaust drone". Exhaust drone refers to the sound of the engine running while your driving at constant speed, like on the highway. Many people prefer not to have any drone, but others are willing to deal with some drone if it gets them a little more power. Finding out if the muffler you like is going to drone is easy, ask the people at the local muffler shops as well as the websites http://www.tundraheadquarters.com and http://www.tundrasolutions.com.

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? I hope that it's the former, but if you decide for the latter, look for words like "racing" or "glasspack".

Another important choice when considering a new muffler is single or dual exhaust. Remember, the factory system is pretty good. The single exhaust that the truck is setup with will work just fine and give good performance, but you might want to go with a dual exhaust to get the better look and sound. That's my suggestion, just make sure that your installer works around your trailer hitch or leaves room for one in case you want it added on later.

Stainless steel or aluminized steel -- that's what you'll be asked when you're choosing your new muffler. While stainless looks cooler, that's not really a good reason to buy it. After all, how often is anyone going to be looking under your vehicle? The best reason to choose stainless is resistance to rust. If your local geography has salt water or high humidity, stainless steel is a good idea. Otherwise, save some coin and go with the less expensive galavanized or aluminized steel.

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Mold in Your Attic? What Every Homeowner Should Know About Bathroom Fans and Attic Ventilation

Mold in Your Attic? What Every Homeowner Should Know About Bathroom Fans and Attic Ventilation

Attic ventilation is a critical component has a temperature in the attic all year round. In summer it is to save the life of the tiles from the board cooler and reduce cooling costs in the winter, reducing the temperature difference, which in turn prevents you from collecting moisture in the form of condensation. Did you know that with the proper amount of attic ventilation also needed to ensure the majority of producers of gravel to enforce? Whenit comes to mold the most import ventilation concerns occur in the winter. In the winter during the coldest months as we run our furnaces, hot air escapes into the cold unheated attic space. When the escaping hot air emerges into the cold attic it rises as heat always does. It seeks out the highest portions of the attic where it then coalesces against the cold boards of the roof. This hot- air-mass-meets-cold-surface phenomena results in a condition known as dew point, which creates moisture in the form of water droplets and ice crystals. The nails themselves also will contribute to this moisture problem as iron is a good conductor of temperature and will readily convey the biting chill of cold winter air directly inside the attic. The evidence of this, can be seen in the form of drips and of drip spots underneath the nails themselves.

Bathroom fans vented directly into the attic or Soffet areas rather than straight through the roof are also to blame for exacerbated moisture problems which lead to mold, wood- rot and health problems. The more adults showering in the house and the longer the showers the more moisture will enter an attic. In fact in some families the bathroom fans alone are the sole culprit responsible for major mold infestations!

If you want to eliminate attic mold permanently you NEED to get EQUAL amounts of Intake Air and Exhaust or Out-take Air into your Attic!

Building scientists have proven that using a balanced ventilation system that utilizes equal amounts incoming and out going air. Incoming air comes in from under the eves through vents cut in the underside of the roof overhangs which are called soffets. Proper soffet ventilation is essential to large amounts of incoming air needed for intake. Many attics were originally vented properly but have become packed with insulation along the way by an over-zealous insulation contractor or homeowner, in an attempt to actually stop air from coming in, sadly a common mistake. This mistake was very common in the 80's and 90's. There are two basic types of Soffet vents: either a contiguous vent or a individual vents which come in round and square varieties. I generally prefer to use 6 inch by 12 inch square vents because of the ease of installation and the low material cost. They work surprisingly well and offer a lot of surface area. They can be purchased easily in brown white and silver to match virtually any siding.

Out-take air, exhaust air ventilation can take 4 basic forms: Gable end vents, ridge vents, box vents or power vents. Of the four the ridge vent is to be preferred, due to its location at the highest point of the attic, namely the ridge. Because heat always rises it is passively efficient at exhausting large amounts of heated air without the use of electricity. Be sure to select a ridge vent without a complicated filter which can become clogged; I prefer the simple metal designs for their simplistic efficient design and operation. Box vents while older and more dated can be efficient if there is a sufficient number of them located across the surface. If your attic already has square, can, or box type vents but not enough of them, it can be a less expensive solution to an inadequate exhaust air problem. The reason is simple they are cheap and easy to install and like the square intake vents can be easily purchased in several colors to match any shingle. If you have a hip roof there may be insufficient ridge length to allow for sufficient out-take; box vents can be an ideal solution for this problem. Powered vents work well, but are dependent upon electricity for operation. This both costs money and is subject to wear and tear of moving parts. Additionally in the event of power outages can leave the attic over heated, for these reasons the author does not recommend them.

Beware of mixing two different kinds of ventilation!!!

By far one of the most common, and the most troubling ventilation mistakes is the mixed use of two completely different ventilation systems. For example mixing a ridge vent with a box vent or a previously installed power vent or gable end vents. What goes wrong is this: air always follows the path of least resistance and looks for the nearest opening , often the ridge will draft air from the box vents and short circuit the entire exhaust air systems, eliminating any chance of correcting the water/moisture issues. It can also bring unwanted weather snow debris etc into the attic because box vents and gable end vents were not meant to be intake vents, which can cause tremendous damage! So remember don't mix two ventilation systems pick one and stick with it ensuring there is enough of whatever vent system you choose.

Is correcting my ventilation a cure for a mold problem in my attic?

Sadly NO, it is not a cure for mold but just for ventilation problems which create moisture issues. No matter who installs your ventilation system in the winter if you are running supplemental heat in your home your attic will be subject to some moisture from time to time during the coldest days. For this reason and several others it is a must to actually treat the mold with a system designed to remove it completely without leaving behind mold or poisonous heavy metals paints and chemicals that can make your family sick. Even dead mold can still affect your health and make your family sick. It is also a good idea to hire a mold contractor with a ventilation expert on staff, because hiring a roofing contractor and a mold contractor is always more expensive!

Did you know most contractors use toxic chemicals to kill mold which may contains carcinogens which are cancer causing agents?

In fact ,sadly, I have seen many many attic projects fail after so-called "professional treatments" :( ! That's why we train other contractors from around the world in the efficient removal of mold using family-safe all natural products that are absolutely lethal to mold. For detailed diagrams and photos of ventilation projects feel free to visit us or call us directly!

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