Use this Kanaflex hose along with our supercharger adapter and 4" air filter to custom fabricate your own 4" air intake kit. Inside diameter of this ducting is 4”.
We offer the primary components individually from our Power Filter Kits for the "Do-It-Yourself" tuners. Velocity stack kits designed to fit stock supercharger inlets. Power Filter, Double Male Flange and Ducting designed to work together. Pre-Filter strongly recommended to prevent water ingestion. All components sold as is and do not include installation instructions.