Enlarged interconnected headers make for improved horsepower and low-end torque. 1.75in. to 1.875in. high-flow 16-gauge stepped primary headers with an obround 1.875in. crossover. 4.5in. diameter, 16-gauge absorptive muffler with 2in. inlets and billeted tips. 2.50in. , 220-degree, 16-gauge heat shields. Removable baffles are wrapped in stainless steel wool and high temp fiberglass for a rich mellow tone. 18mm and 12mm O2 bungs welded into the primaries. Heavy-duty, AccuSeal reaction-block header-to-muffler clamps included. Eclipse features a proprietary, high-temperature black electroplated finish. Made in the u. s. a.