This Power Pro HP 2-into-1 is a classic system at the top of its class. Being that you could expect unmatched performance gains that combine the perfect tone of a deep and throaty rumble as you would expect from your H-D motorcycle. However the system looks as good as it sounds as it features full length heat shields for the head pipes and their unique collector area. Full length heat shields Straight cut endcap Increased horsepower and torque