The Mod Shop slip-on exhaust is designed to flat out gain the most possible horsepower. Built by a well known Canadian engine builder, each system is tuned on their in house dyno to match the needs of the specific model. Fully tune-able disc system to change power curve, tune to modifications or change noise levels as needed. If you want to use your machine for hunting simply remove discs. Fully hand welded out of steel to guarantee long life. Quality packing materials and proprietary muffler packing procedure to last 10 times longer than the competition. Ceramic coated to keep the heat in the pipe, available in black or silver.