BMC Porsche 997.1 Carrera High Performance Air Filter Cayenne Performance Air Filter conical springs are the front

conical springs are the front runners in valvetrain harmonic stability

Not to mention eliminating the removal or destruction of your intercooler ducting

Replacement Sensor for the following AEM Wideband Controllers:

Introducing the new Real Street Billet Steel Main Caps for the 2JZ

BMC Porsche 997.1 Carrera High Performance Air Filter Cayenne Performance Air Filter conical springs are the frontUpgrade your 997. 1 Carrera with a direct, drop in performance air filter designed to safely increase air flow to the engine for increased response and power. Description OEM air filters are made of paper and their main function is to protect the engine. These filters have high resistance to the air flow, which reduces the inlet pressure and reduces the engines performance. BMCs air filters provide a considerably greater amount of air flow. BMC air