Hybrid Turbo Renault Megane 3 RS - 330 HP PROVEN! Improvements in compression cast aluminum wheel is not only improved strength and durability over the original aluminum wheels manufactured by molding. A compressor wheel lighter improve the loading speed of the turbo and thus get a better throttle response, and we are reducing the "turbo lag". The cast aluminum compressor wheels are up to 20% lighter than the original cast aluminum, better core and escape wheel larger diameter for increased flow of exhaust gases Price u$s1500.- Consulting Shipping cost. Cheers