Quick view Snow Performance Snow Performance Water/Methanol Injection System w/Billet LT4 Supercharger Lid - SNO-15127H-LT4 Compare $4,757.76 $3,398.99 Snow Performance Water-Methanol Injection systems provide increased performance with or without nitrous. Water Methanol Injection cools your incoming air charge and increases the total octane effect of pump gas. This allows you to run increased timing... Add to Cart Add to Cart