The K&N 69-0021TS Typhoon cold-air intake system is a free-flowing, mandrel-bent aluminum tube air induction system designed to fit some Acura TL models. The restrictive factory air filter and air intake housing are replaced by the K&N Typhoon cold-air intake which is designed to pull in relatively cooler air and dramatically reduce air flow restriction by smoothing and straightening air flow. This allows your engine to inhale a larger amount of denser air than the factory air intake. More air means more usable power and acceleration throughout the engine's RPM range. The 69-0021TS air intake comes with a black rubber topped K&N high-flow air filter that installs into the front, bottom inner fender to capture cooler outside air.