C6, Grand Sport LS3 & Z06 LS7 Corvette Air Filter Attack Blue High PerformanceThe Attack Blue filter for the LS3, LS7 is designed to allow your engine to breathe deep without sacrificing filtration! It's perfect for those who don't want to change out their air intake system but want a washable, reusable filter, more air & more power! No tune needed! Its Patent Pending low restrictive open mouth and narrow back design allows more free flowing air to rush through this filter over any O. E replacement filter on the market! No