Designed for 1.3 - 1.5 L engine with Automatic transmission.to achieve top notch performance & reduce unwanted sound frequency without compromising your engine performance. Extreme durability for long term usage. Naturally aspirated engine with CVT transmission (Stock Ecu,Single Outlet): Inlet 2β³ 1.3L (1300cc) to 1.6L (1600cc) For turbo engine and heavy modifications are not recommend to use, please contact our team for further assist. This system comes with 1 year product warranty.