Hi, Mr.Mario and Mr. Zoran.First, I’d like to wish you Merry Christmas and Happy New Year with our sincerely. The both problems of silencer muffler and fuel injector for the ATV 700 , To be true with you, this is our first time to meet the question after we sold many pieces of ATV700 to worldwide. But you are one of our customer with ATV 700, we will send you a piece of silencer muffler and fuel injector for your replaced as your request. Could you please also replied us a few questions as following:1. was there of fuel injector impact with some solid concrete or something ?2. We will send you the silencer muffler for your replace in accordance with your request . But how can you sure the problem will be solved after your replace?Sorry to ask you the question, not to doubt with you. Only for the problem with ATV 700 is really first time we met, we would like to make them with a record for our experience in the future.