Quick view Snow Performance Snow Performance Water/Methanol Injection System w/Billet LT4 Supercharger Lid w/o Tank - SNO-15127H-LT4-T 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... Add to Cart Add to Cart