Riva Power Filter feeds your 1.8L SHO engine a steady diet of cool air delivering greatly improved acceleration and rpm. It replaces the restrictive stock air box with a high-volume, precision-formed intake duct that attaches to the supercharger via a large 4 adapter. Cool air enters the system via an oversized K&N filter element. Includes water-repellent pre-filter. The part number is RY13040 and it costs $279.95
