Hello, I was wondering if this is a good buy, at a good price?Its an Aluminum Venom Intake Manifold for $549.95heres a direct URL to see it: http://www.jcwhitney.com/webapp/wcs/stores/servlet/ProductDisplay?productId=193884&catalogId=10101&langId=-1&storeId=10101it says, "CNC machined 6061 T6 billet aluminum head flange Machined intake runner surface reduces turbulence to increase speed & volumetric efficiency of intake manifold (70% over stock intake)"