Porsche Panamera 4S updates RES Racing valvtronic catback system which is made of titanium , you even can control the exhaust with "RES" APP via smart phones .
You can open variable exhaust valves when you play, close it when in urban area. RES exhaust is very convenient to play .

Website: [ Ссылка ]
Email: res_exhaust@126.com ; res_exhaust@163.com
Wechat/Whatsapp: 86-135-3662-8659

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