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  1. Focus RS Discussions
    Hey guys so im planning to replace the rear speaker on 2016 focus rs(US version) to better quality speakers and i think this move may improve the (quite) sound of the rear speaker. So if i change the rear speakers only, will it improve sound to be high as the front? Or i will remain the same...
  2. Focus RS Discussions
    New intercooler and piping, as well as a wastegate actuator, although I doubt that has anything to do with it. Under high boost, there's a whine, and while I have no problem with the sound itself (it's actually kind of cool), I just wanted to make sure it's an ok sound to have. I don't think...
  3. Focus RS TroubleShooting
    I've owned my 2017 RS2 for all of 24 hours and am brand new to the forum (so pardon my ignorance). When I purchased the car, the BOV was quiet loud when lifting off the throttle, even around 3k rpm in normal mode. I assumed it was aftermarket and asked the dealer to put the car on the lift to...
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