Roto-molded Intake Tube: The EVO2001 Evolution Cold Air Intake System uses a custom designed and dyno-tuned intake tube to produce huge power gains while retaining an OE quality fit. The intake tube also includes our patented tuning process that funnels air at a precise rate past the MAF sensor. This patented tuning process ensures accurate fuel trims and aggressive power gains without the fear of check engine lights. SuperNano-Web Dry Air Filter: "That's massive!"is all you will hear about this SuperNano-Web Dry air filter that is included with the EVO2001 cold air intake system. Using the largest filter possible for this application has increased the available air volume - resulting in added power while keeping the installation process quick and simple. , , Quality Hardware: From the Stainless Steel Band Clamps with an inner protective liner to the reinforced automotive grade silicone coupler, every aspect is covered for a perfect and reliable fit. , , Hassle-Free Installation: Make it easy! By designing this kit in a 3D workspace, you're ensured a quick and easy installation that not only increases the power output of your engine, but also provides a clean and powerful look that others see every time you pop your hood. Dyno Proven: Plain and simple, NUMBERS talk! Injen has a strong legacy of designing and thoroughly testing every product we develop and the EVO2001 clearly benefits from our dedication to performance. Our engineers put in countless hours of testing to prove that we have developed the safest, highest performing kit on the market. With 15 additional horsepower and 11 Ft.-lbs. of torque, Injen is proud to say that the EVO2001 Evolution Cold Air Intake system is the very best intake system for your Nissan/Infiniti that money can buy.