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Problem - Exhaust drone: Solution side branch, aka 1/4 wave resonator, or Helmholtz resonator| Grassroots Motorsports forum | | Drone, Exhausted, Solutions
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UPDATE IV: Exhaust Drone - X-pipe flute?. See Post 72 - Page 2 - Rennlist - Porsche Discussion Forums
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UPDATE IV: Exhaust Drone - X-pipe flute?. See Post 72 - Page 5 - Rennlist - Porsche Discussion Forums
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