aFe ProHDuty Air Filters OER PDS A/F HD PDS RC: 9.28OD x 5.25ID x 12.73H 1999-infiniti-q45-esi4594090 5" diameter Cat-Back™ system is

5" diameter Cat-Back™ system is handmade in the USA by master craftspeople and features premium

9 Liter RAT-KA

The included high-performance air filters are surrounded by open-element XLPE (cross-linked polyethylene) polymer housings that minimize warm engine air for maximum performance

That all adds up to a road and dyno-proven 20F drop in transmission fluid temperature at the cooler outlet

aFe ProHDuty Air Filters OER PDS A/F HD PDS RC: 9.28OD x 5.25ID x 12.73H 1999-infiniti-q45-esi4594090 5" diameter Cat-Back™ system isWith three layers of progressively finer mesh synthetic media between 100% polyurethane top and base, the aFe Pro Dry S heavy duty cylindrical performance filter uses no oil for maximum convenience. Washable and reusable for multiple cleanings, the tall, open, evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Pliable polyurethane flange with integrated bumps insures tight, no leak seal over the