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You may be asking yourself,
"Why should I choose Green Filter over K&N or any other Filter?"
Here are six reason why Green Filter might benefit you!


Deep pleats in the double-layered cotton create a 10-15% increase in filtration surface. This increase allows a greater volume of air to move more freely into your engine cylinders while maintaining superior filtration. Our specially designed cotton filter traps particles as small as 5 microns. Steel wire mesh encases the cotton filter, providing strength and dent resistance so you can be sure your Green High Performance Air Filter will work under the toughest conditions.

Our hand-molded, flexible rubber base offers an airtight seal and absorbs vibration. Our filter molds are created from an extensive on-site library of factory air boxes, with each part custom made on CNC machines. We don't reuse elements between filters or make universal molds, which means that when you buy a Green High Performance Air Filter you can be sure it will fit just like the one from the factory, with no modifications necessary.

Other filters use a simple pressure-molded injection process to bond the perimeter rubber to the interior components. That method saves manufacturing time, but in the process, a considerable amount of rubber can seep onto the filtering surface. While it may not look like much, that spill-over rubber can restrict as much as 25% of the intended air flow. At Green Filter USA, we use a four-step production process which virtually eliminates rubber seepage and maintains maximum air flow through the filter.



Clean, free-flowing air is as critical to your engine's performance as the octane of your fuel. Reduce the restrictions in your intake system and you'll increase the output of your engine. Our race-proven filters are engineered to do just that, which means you'll benefit from increased horsepower, improved throttle response, and greater torque throughout your engine's RPM range. Dynamometer bench testing on an 1800cc 4-cylinder engine showed that a Green High Performance Air Filter provided a 6.7% increase in horsepower over the same vehicle with a stock paper air filter.


Increased air flow to the cylinders in your engine results in a more potent air/fuel mixture, equalling better fuel mileage for your vehicle. That means that in addition to the performance enhancements a Green High Performance Air Filter can provide you'll also reap the benefit of increased fuel mileage. In today's economy, who doesn't want a little extra cash in their wallet? In an independent test performed on a 2008 Chevrolet V8 engine (SUV), a 5.6% increase in fuel mileage was shown over the same vehicle with a stock paper air filter. This is the same test that vehicle manufacturers perform to estimate fuel economy on all new vehicles.


If you change your air filter at manufacturer's recommended intervals*, you can go through at least 20 paper filters in the first 100,000 miles you drive your vehicle. It isn't hard to see that this method of maintenance is very costly and puts a lot of filters into landfills. Replace your stock filter with a Green High Performance Air Filter and it will be the last one you need. Our filters are designed to be cleaned (with our biodegradable cleaner and synthetic oil) and reused. Not only will you notice a difference in your wallet, but you'll be helping the environment as well. * Based on recommended air filter replacement every 4,000-5,000 miles, or with every oil change.

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