aFe Momentum Intake Replacement Air Filter w/ Pro 10R Media 5-1/2 IN F x 8 IN B x 8 IN T (Inverted) - 20-91147 fits_1997-2001`Infiniti`Q45 Large oil level sight glass

Large oil level sight glass and calibration plug set to the factory oil level prevents overfilling

Valves Closed: Stock-like sound levels for stealthy driving

Tailored for a perfect fit this key cover installs effortlessly and preserves full RF signal transmission for uninterrupted Comfort Access functionality (excluding Forged Carbon models)

Custom Spring Rates Available

Vehicle Compatibility: 90-99 BMW 8 Series (E31)

aFe Momentum Intake Replacement Air Filter w/ Pro 10R Media 5-1/2 IN F x 8 IN B x 8 IN T (Inverted) - 20-91147 fits_1997-2001`Infiniti`Q45 Large oil level sight glassPro 10R Filter Media: This filter features ten layers of pre oiled cotton gauze media to provide maximum Longevity. Its progressive layering allows the filters to flow at high levels even when dirty, while its inverted top makes for more filter surface area, resulting in longer service intervals. This media is only available for select diesel truck applications. Pro 10R filters are easily recharged with aFe's POWER CLEANER and blue air filter oil.