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Sniper rifle does more damage from long range?

I heard that a sniper rifle has more stopping power from long range due to the speed. Supposedly at close range, the bullet would be moving so fast that it goes through a person with little collateral damage. However, at long ranges it is going slow enough to really damage the tissues they go through. Is this true?

Sniper rifles are ANY rifle used by a military or law enforcement sniper. And that means any rifle. Some calibers used, range from a .308 to the big .50 BMG. And even with a FMJ (full metal jacket) bullet, if you’re shot through the chest at close range enough energy will be released from that bullet passing through you to do severe organ damage and kill you. And if it’s a soft point its going to do far more damage at close range than long range.
For example I have shot coyotes at both long and close range with full metal jackt bullets (not a good idea really). At close range they had a small hole going in and coming out. But inside where the bullet passed there was a 3 to 4 inch wide area surrounding the bullets path that tissue was destroyed and turned to purple mush. At 300 yards that same bullet still passed through but now the damaged area around the bullets path was far less.
So the fact is the farther away the less damage the bullet will do because it has less energy. This can be proven with physics and it has been proven many times with ballistic tests, as well as examining animals and humans who were shot.
So no it wont do more damage at long distance.

It may or may not damage your car.

Not all engines adapt well to increased airflow. Some motors will actually run more efficient when breathing air from the stock airbox. Some stock airboxes will actually supply the engine with cooler air! The only way to give the cold air intake the kind of air supply it was intended is to install a cold air ram which supplies the filter with air from either the front or bottom of the car. Either way it leaves the filter exposed to the elements (water or debris) to an infinitely higher degree than your stock airbox. In most modern setups, the cone filter resides exactly where the factory airbox once did. It is more than likely that it is breathing hot air from under the hood that is not insulated by a plastic airbox. You may also need to change your exhaust setup since exhaust vacuum and backpressure are important variables for engine efficiency.

Next, in most modern cars fuel and air management is regulated by a computer. Fuel maps which are programmed into this computer are designed based on parameters designated by engine designers. Changing any part of this balance will inevitably change the performance of the motor for better or for worse. It may cause your engine to output more power, but less efficiently causing your motor to heat and sludge. This can damage your valve lifters or shorten the useful life of your motor oil. It might also cause your motor to run slower but give you better gas mileage. In any case, you will not know what that filter is doing to your car until you put it on a dynamometer and analyze the exhaust air. If your setup causes the motor to run air/fuel outside of programmed parameters, other sensors and systems may not be running properly since you are adding inputs beyond what the system is programmed for. This is where ECU reprogramming would help you. Fuel maps in performance programs are designed for specific applications that take into account certain variables like fuel octane, intake air mass, race or ride applications, etc.

The primary reason for adding a cold air intake is to boost the performance of your car. Whether or not a cold air intake will actually do this is always a mystery. You would need to get the right intake for the right car to make it work. Even then you won't get much of a boost if you're only adding an intake.

The secondary reason for adding a cold air intake, and more reasonable if you're only adding an intake, is to change the sound of your car. If you like the sound, then this is a good deal.

Finally to answer your real question. Adding a cold air intake significantly increases the chances of causing damage to your car simply because you don't know what it will do to the system as a whole. It also increases the chance of introducing moisture or debris to your intake manifold. Whether or not this would actually happen really doesn't matter... the point is it can happen. It's up to you if you want to risk it. I think KandN has designed a great product which properly installed provides reasonably good filtration of dangerous debris and particles to the intake manifold. Fact is, cold air intakes are designed for race applications and factory airboxes are more than adequate without any other modifications to your car.

Yet, an intake can improve your performance and fuel efficiency. It can give your car a deep throaty sound that doesn't reveal itself until you're wide open on your throttle. And the sound by itself can give you the perception that your car is a more powerful beast than it was with the paper filter.

Risk=possible reward.

Another good alternative is to use a KandN replacement filter for your factory airbox. It will supposedly provide better airflow and is washable and reusable just like the Filtercharger which will in most cases save you some money over the life of the car.