aFe ProHDuty Air Filters OER P5R A/F HD P5R Cone: 6F x 9.81B x 7T x 24H 1987-buick-regal-grand-national-esi5629876 Each damper features monotube technology

Each damper features monotube technology with proprietary spring steel valve discs tuned specifically to each application for superior on-track handling and control

This kit installs to the frame horn using heavy duty grade 8 hardware

806 ID bore for high flow capacity

feel it then you too will know why Winner's Choose Borla(r)

aFe ProHDuty Air Filters OER P5R A/F HD P5R Cone: 6F x 9.81B x 7T x 24H 1987-buick-regal-grand-national-esi5629876 Each damper features monotube technologyWith five layers of progressively finer mesh cotton gauze media between 100 percent polyurethane top and base, the aFe Pro 5R heavy duty oiled conical performance filter provides excellent airflow for maximum horsepower and torque. 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