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Replacement Air Filters for Your Old School or Late Model Muscle Car

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K&N replacement air filters can give your muscle car a boost in airflow while protecting your engine

K&N replacement air filters can give your muscle car a boost in airflow while protecting your engine

Almost every kid grows up with the dream of one day owning their dream car. For a lot of those kids, that car was a big horsepower American muscle car. These cars continue to be extremely popular among enthusiasts today.

The muscle part of muscle cars obviously refers to the horsepower generated. Typically, in old school muscle cars, that horsepower was made by big, steel blocks pushing out tons of horsepower and loads of torque. That’s where the phrase, "there's no replacement for displacement," comes from. In late model muscle cars, they still offer a lot of power, but that big steel block has been replaced by a smaller, but nonetheless powerful, engine with aluminum components and modern technologies. Even though the engines are getting smaller, new engines are making more power than ever.

Installing a K&N replacement air filter is as easy as swapping the paper air filter for the K&N

Installing a K&N replacement air filter is as easy as swapping the paper air filter for the K&N

One of the keys to making big horsepower from smaller displacement motors is more air. For the most part, if you can get more air into the engine, you can make more power, as long as the motor can support it. Many people turn to power adders like turbos and superchargers to feed their engines more air. However, you can get additional air into your motor in a matter of minutes and for a whole lot less money than a forced induction system will cost.

Aftermarket companies, like K&N Filters, have been making OE replacement air filters for years. These filters are designed to boost horsepower, torque, and acceleration by flowing up to 50% more air than a traditional paper air filter. This is because they are made of cotton gauze instead of thick paper like the stock filters. While the stock filters do what they are supposed to do (stop impurities), they also limit the airflow to the motor. Imagine trying to breathe through a piece of paper vs breathing through a cotton shirt and you'll get the idea.

The K&N replacement engine air filters are washable and reusable

The K&N replacement engine air filters are washable and reusable

You may be wondering how these K&N filters can stop dust, dirt, and other impurities if they are allowing so much more air through. This is where that signature red color comes from. The filters are treated with a special, tacky oil that makes them red. This oil grabs onto impurities as they pass through. The dust and dirt then soaks up some of the oil, making it part of the filtration media. This means that as the filter gets dirty, it helps filter the air even better.

Another difference between the K&N filters and the stock paper filters is when paper filters get dirty, you throw them away and buy a new one. When K&N filters get dirty, you can clean them and reuse them over and over. This not only saves money, but also keeps paper filters out of the already clogged landfills. And if you're worried about the longevity of the K&N filters, they come with a 10-year/Million Mile Limited Warranty, so it may be the last filter you buy for your muscle car.


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