About this Item Our Intake Manifold Upgrade Kit enables your Yamaha 1.8L engine to produce more horsepower by delivering increased air flow and boost pressure ( 1lb). Precision tapered billet sleeve directly replaces restrictive mesh element in intake manifold. Provides improved low end punch and mid range pull through quick & easy installation. Includes detailed installation instructions. 2014-17 1.8L SVHO Models All 1.8L SHO Models 2013 & Newer 1.8L HO Models
