Increase torque and top end performance with this polished stainless steel header and muffler. 1 3/8” seamless primaries merge into a 1 ¾” tri-y configuration for excellent sound characteristics. The muffler is repackable with a direction adjustable exhaust tip. Springs, flanges, brackets, and mounting hardware is included. Fits most chassis and Yamaha, Honda, and Suzuki 600 engines. 15 lbs.