Exhausts thoughts

I have a single stack on my mower right now with a flap on it. it sounds and works good but it gets very annoying so i would like to build something else i was looking at arild365 and i like his ideas i would like to build something like that so if you guys got anything else as thoughts it would be helpful thanks

i made something like arild365 idea and it sounds sweet on my tractor but i made to many twist in it so i pops too much lol. but if you want maby out the back or like one out from each side under the foot rest. thats all i got