K&N Replacement Air Filter Round 9in OD 7-1/2in ID 5in H - E-3650 fits_2006-2010`BMW`M5 5" dual slash-cut

5" dual slash-cut

ensuring the system's two air inlets bring in the coolest air possible

Using FEA (Finite Element Analysis) our CNC milled 6061-T6 Billet Aluminum clevis designed to be beautiful and strong

Let's all be honest

Burnt Titanium look

K&N Replacement Air Filter Round 9in OD 7-1/2in ID 5in H - E-3650 fits_2006-2010`BMW`M5 5" dual slash-cutK&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your