The world's only 5-step performance exhaust 2-into-1 systems offer an easy to install, lightweight system that features great throttle response with low-end torque. Exclusive 2-step removable baffle 2-1/2" to 3" and triple stepped headers 1 3/4" to 1 7/8" to 2" for increases of 15-18 HP and 13-15 foot lbs. of torque. 4-1/2" megaphone. Dual-Thrust Baffle. Racing exhausts have removable baffles with a deep, rich and throaty sound, optional quiet baffles are sold separately. System reduces heat concentration by 30%. Full-coverage one-piece (220 degrees) blue-proof heat-shields. Includes O2 sensor ports, plugs and all mounting hardware. Engineered for maximum power. Made in USA. Black with Black Tip