JUST PURCHASED MY FIRST YS ENGINE (YS 140L). WHICH MUFFLER DO MOST OF YOU USE. I PLAN ON MOUNTING WITH A DUBRO SOFT MOUNT. ENGINE IS GOING INTO AN AEROBATIC PLANE WITH COWL. PATTERN FOLK, NO NEED TO RESPOND.
I SEE SLIMLINE, YS PERFORMACE, CHIEF HOBBIES, ALL OFFER DIFFERENT STYLE MUFFLER.