K&N Custom Air Filter - Round 5-5/16in OD 4-1/16in ID 2-3/8in H - E-3506 fits_2008-2009`Pontiac`G8 Signal filtering is used for

Signal filtering is used for a smooth response

and does not include or interact with any emissions-related components

Utilizing our proven monotube design

This 1/2 IN thick open-cell polyurethane foam pre-filter offers protection and convenience all in one

it's time to upgrade to the Mishimoto Performance Front Mount Intercooler Kit

K&N Custom Air Filter - Round 5-5/16in OD 4-1/16in ID 2-3/8in H - E-3506 fits_2008-2009`Pontiac`G8 Signal filtering is used forK&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 No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your