This it contains all the parts needed for you to build your own custom 4" air intake kit. The installation of this 4" air intake typically provides a 1.5+ MPH gain and a 150+ RPM gain. It's a substantial increase over the stock air intake system and even an improvement over a 3" system. It's the most effective air intake for getting power out of the motor in any water condition, safely and efficiently without fear of water ingestion.
Note: due to the large oil cooler on the 300 engine the Kanaflex tube must be routed on top of the engine. This kit is a universal kit giving you the basic components to retrofit a 4" air intake system to your ski.This kit contains the following components: 7 Feet of Kanaflex Hose
R&D Supercharger adapter for 300 Supercharger
K&N Stainless Steel Marine Filter
4" stainless steel spool to connect hose to filter
3 x 4" hose clamps
Rectifier bracket to remount rectifier It's recommended to also use a catch can when installing any aftermarket air intake kit. The Riva catch can is sold separately in this store.