■詳細説明 The QD exhaust system 「POWER GUN」 Series、 uses the stock header-pipes. The exhaust system is created with a rockwool muffler and it is compatible with the original catalyst-converter. The three 「dragster style」 mufflers are created in machine-worked Ergal. The exhaust system is created with specific volumes and passages、 which give to the motorcycle the best performance result and an agressive voice. The kit includes all the brackets and illustrated instructions for an easy fitment. The QD exhaust system is European homologated. The horsepower gain is about 3.5 HP all over the range.