Introducing the CAI V4.0 from Mk Design Perf.: a game-changer in automotive performance. Featuring a larger volume air box and redesigned, sturdier construction, this new version offers markedly better fitment over the V3.1. Perfect for performance enthusiasts looking to upgrade their vehicles, the CAI V4.0 seamlessly integrates quality and innovation. Drive with the confidence that only Mk Design Perf. can deliver, with unparalleled attention to detail and commitment to excellence. Enhance your ride today with the ultimate in precision engineering.