Ultimate Big Twin, true crossover performance is now yours. The Legacy Gen-X system is engineered to increase horsepower with equalized exhaust flow and back pressure to put the power to the ground. Durable Magna-Black coated, stainless steel, 1-3/4in. headpipes will not rust, fade or blue. Legacy Gen-X system feature 2-1/2in. heat shields and laser-cut X junction cover that make a bold statement on your bike. Hi-Flow stainless steel, louver core baffles help generate superior horsepower and torque gains over stock. Amazing deep, bold sound quality is the signature to the Legacy Gen-X full system. Ideal for tuned engines requiring increased flow or stock engines looking for improved output. 12mm and 18mm O2 sensor ports allow for maximum tuning options; sensor plugs included for non-sensor applications. Precision channeled, rotatable gloss black end caps allow for a personalized custom look. Available in show chrome or deep black finishes. Made in the u. s. a.