Cool i get the idea, but can you send a pic. i cant picture how you mean about the around the exhaust . just wrap it around the muffler it self , did you try i was thing when you told me of a preheater ,could it be also wrapped around the head to get some heat . What size is the tubing are you using, is it 1/8 , her i cannot get any tubing .if my friend goes to Austria or Germany then i will be able to get something similar