This Spectre High Performance Racing (HPR) Air Filter is an inline cone air filter intended to fit Spectre's inline airbox (P/N 9833). Manufactured using high quality materials throughout, including...

Spectres polished aluminum inline airbox with air filter has a 4 inch inlet and outlet. This cylindrical air box has an outside diameter of 5 inches. It allows you to create a custom air intake that...

This Spectre replacement air filter is an easy to install performance option for applications that require a 12.6 inch by 3 inch round air filter. With its performance synthetic air filter media,...

The Spectre polished aluminum inline air box with air filter has a 4 inch inlet and outlet. This cylindrical air box has an outside diameter of 6.1 inches. It allows you to create a custom air intake...