So the product gets great customer reviews and real world independent tests like the one done by Hot Rod Network back up the company’s claims. With their washable high-flow cotton gauze design, these filters are both reusable and environmentally friendly, and are crafted to last the life of any engine. The four-to-six layers of cotton gauze media used are sandwiched between two sheets of epoxy-coated aluminum wire mesh, and the filter is also pleated and oiled to improve filtration. K&N filters are also legal in all 50 states, so there’s zero risk of voiding warranties or failing inspection. Source: K&NĪs far as overall design and quality go, Edmunds agrees that it’s pretty tough to beat a K&N filter.
In the case of the Fit K&N saw a gain of 4.53 horsepower during dyno testing. While this may not seem like a lot, every pony counts –-especially when driving an under-powered car like the Fit. Cars are a lot like people in this regard: the easier they can breathe, the faster and more efficiently they can run, and a video by K&N illustrates the restrictions a stock filter will put on an engine. The straw will deliver oxygen, but only in restricted amounts, and it certainly isn’t going to make that 5K any easier. I always say that driving a car with a factory air intake system is like running a race while breathing through a straw. In an independent test conducted by MotoIQ, the Mitsubishi Evo X saw stellar results from a K&N intake, and everything from the intake’s power gains to the fit and finish received top ratings. But with its smooth aluminum bends, integrated heat shield, and much larger cone-shaped filter, there is little doubt that the K&N unit appears more capable. The stock filter looks more like a thick piece of toast with Lay’s potato chip waves, and its job is to keep contaminants out of the engine. Take a look at the Honda Fit air filter seen here on the left and compare it to the K&N air intake next to it. Also, let’s not forget that most auto parts stores stock a wide range of K&N products, and for web savvy shoppers out there (like myself), an inexpensive K&N air filter bought online before driving home a used car is always a smart decision.
K AND N FILTERS GOOD OR BAD INSTALL
An official K&N install video for their car should prove to them that most K&N air filters can easily be outfitted in a matter of minutes using household tools, and that almost any competent mechanic can slap a complete air intake system onto a car in less than an hour. There are those people who tell me they aren’t mechanically inclined and wouldn’t even know where to start. So why am I so adamant about putting these expensive air filters on almost every vehicle I touch? What makes K&N filters so great, isn’t a filter from the dealer good enough? And do these filters really carry a million-mile warranty? I get hit with questions like these almost every month, and I assure all the skeptics out there that this is a legitimately well-designed product, and it won’t cause your engine to blow up or void any warranties. This has become quite the familiar task to me, and over the years I’ve installed numerous K&N products on cars for my wife, my friends, my family, and myself. Most of the time the filter gets a poor bill of health and is tossed in the trash while the oil is still draining, and in place of that decrepit old air filter I’m always sure to pop in one of K&N‘s reusable, million-mile warranty filters. Everything from the exhaust system and brakes to the aerodynamics are addressed when I purchase a car, and it all starts with a simple oil change and a quick assessment of whatever air filter was installed by the car’s previous owner.
As a firm believer that improving on someone else’s design is one of the many joys of car ownership, I rarely find myself deviating from this mindset.
K AND N FILTERS GOOD OR BAD UPGRADE
It’s safe to say that when it comes to cars, I’m a bit of an aftermarket upgrade nut.
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