Our best " Bang for the buck" package is an ideal first step towards big power with your GTR. The kit includes an ultra-light weight cat-back exhaust, mid section, and y-pipe that bolts directly to the factory cats. The Exhaust weight less than 35 lbs. front-to-back, significantly reducing mass and positively affecting acceleration, braking, and cornering compared to stock. the kit also includes a Switzer Performance Roadrace tune, Cobb access Port Programmer / Data-logger, high-quality HKS drop-in filters.