Audi TT updates RES Racing valvtronic catback system which is made of all stainless steel 304, you even can control the exhaust with "RES" APP via smart phones .
It adds more fun and excitement in your driving life ..
RES Exhaust can improve around 4-10 P performance .
Website: [ Ссылка ]
Email: res_exhaust@126.com ; res_exhaust@163.com
Wechat/Whatsapp: 86-135-3662-8659
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