Should You Change The Exhaust On Your New Tundra?
Toyota has a truck fast, when he redesigned the new Tundra. The 5.7L V8 has 381 hp and is a good vehicle for towing and trailer. But a lot of people will tell you that you must edit the factory exhaust system. You should take into consideration only after learning the facts.
Fortunately, the factory exhaust system is effective and does not require much change. The new Tundra comes with a 4 into 2 into 1 exhaust manifold, which has proved most effective for the movementexhaust 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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