this is a older manifold all skunk2 pro series has a badge ive owned the car for a year and before the previous owner had did most performance mods to the car when only gude/bullfrog,skunk2 and JG where the only people around for performance parts i have rest of the N/A stuff on the car its forsale to i havent got around to posting it or the pics, its not a blox or ebay crap. the numbers on the bottom of the runners is a part #. yes it does fit all LS motors