HPS 27-529R Red Short Ram Air Intake Kit (Non-CARB Compliant) Fine-tuned by HPS to increase horsepower, torque and improve throttle response; Does NOT require tuning after the install. Red light weight mandrel-bent aluminum alloy piping replaces the stock restrictive air box and optimize the air flow. Included air straightener minimize the chance of triggering CEL light. Features HPS signature race proven reinforced silicone hoses and industrial grade 100% stainless steel T-bolt clamps. The included world's best K&N High-Flow, Washable/Reusable Air Filter is backed by Million Mile Limited Warranty. The included installation instruction has clear pictures and description to guide the installer throughout the whole process. Fits 2013-2017 Nissan Altima Sedan 2.5L. Bolt-on easy installation, no modification. CARB Exempt: No