HMF engineering performance series full exhaust system with powder coated black aluminum can and powder coated black euro end cap plus a HMF EFI fuel optimizer tuner with pre loaded map and adjustments for the all new Yamaha YXZ 1000. Exhaust and optimizer is straight from the manufacturer in unmolested original packaging with full manufacturers warranty! Straight from the HMF in house dyno this is an instant big HP gain by bolting this on! Make an offer and get this excellent performing item headed your way at a deal of a price! Free shipping!