Spectre HPR Adjustable Conical Air Filter - Blue - 2.5in Tall (Fits 3in / 3.5in / 4in Tubes) #8166

The Spectre High Performance Racing (HPR) adjustable clamp-on air filter (part #8166) is engineered for versatile fitment and low-restriction airflow. This 2-1/2 inch tall blue media filter features a conical design with an inverted cone top to maximize surface area and increase flow potential compared to standard flat-top filters.

Constructed from oiled synthetic media reinforced with durable steel mesh and urethane, this washable performance filter is built for long-term durability and high-flow efficiency. The triple chrome-plated steel top and base provide a professional finish and structural integrity. This filter comes factory pre-oiled and includes specific adapter rings to ensure a secure, airtight fit on multiple intake tube diameters.

• Part Number: 8166
• Filter Height: 2-1/2 in.
• Inlet Fitment: Adjustable for 3 in., 3-1/2 in., and 4 in. diameter tubes
• Filter Media: Washable, pre-oiled synthetic with steel mesh reinforcement
• Top Design: Inverted cone for enhanced service life and flow
• Construction: Triple chrome-plated steel top and base
• Warranty: 10-year / 1,000,000-mile limited warranty