If you're talking about radio interference.... None at all ! I wrap the safety wire (.032) around the engine to hold on to the Muffler assembly which it too has come off a time or two and has been hanging off the safety wire. At $20- $30 a piece, The wire is cheap insurance! I Swear this is true....Two Mufflers were lost in the grass this morning at the field !! One was off a OS.108. That's $35 bucks. Buddy !! Might not look to cool but at 100 feet who cares? Don't tell me that I'm not securing my mufflers correctly, I've try all the methods other than welding them in place ! LOL !

Ugo