This K&N cold - air intake is perfect for Acura TL owners who want to enhance their car's performance. Whether you're a daily commuter looking for a bit more power or a weekend racer seeking an edge, this intake is for you. It replaces the factory air filter and housing to allow your engine to breathe better. Installation is a breeze, taking less than 90 minutes with common tools. The air filter, with its water - repellent wrap, is designed to last up to 100,000 miles, depending on driving conditions. Keep in mind that its legal status varies by state, so check the K&N resources for details.