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I have Suddenly overnight got a droning sound from my Boxster 986 s 2003. Its not the engine because the sound doesn't change if you put the car in neutral and let idle or rev it theres no change. However if you let the car coast along and turn engine off, you still hear the droning wining sound. Its happened so quickly rather than built up slowly I am wondering if it could be the handbrake shoes gone adrift perhaps. Any body else had this?
Hi all, Being fed up with the droning noise I had between 3 and 4 Krpm I decided to take a look seriously at it I first thought it was coming from the tailpipes, no no, they sound like an empty tin can but no they are not the cause I remembered having read about potential break of the exhaust pipes reinforcement ( since there are 2 of them on the PSE), that reinforcement is a thick piece of metal that kind of wrap up the pipes together, I really looked carefully a couple of time before but could not find any issue, when taking away the tailpipes i could see it better and it was clearly broken at 2 places on the 2 sides, this will require welding which I am planing to do But To be sure that I am not going to weld for nothing I decided to open the crack and put some silicon ( loctite 5940) to kind of dampen the noise The good news is that it works and it lasts, silicon will stand high temperatures and will stand time This is now day and night for me, that droning was just annoying, I am not ashamed to rev in public anymore :D This quickfix could be a solution for those not wanting to weld and it takes maximum 5 minutes I am planning to do the welding and will document it in the DIY section Picture from ebay, the reinforcement can be seen just above the big pipe