It has the characteristics of accurate matching and zero error to avoid any wrong actions occurs. With low power consumption, it can stand by for more than 17,280 hours. The electric exhaust valve switch can increase the exhaust volume or return to the normal flow.Usually the original vehicle ECU controls the valve switch. The driver will control the electronic exhaust valve controller. You can choose to switch the valve in the car or during driving. It can increase vehicle performance by turning the valve on and off to make the vehicle exhaust volume change. Suitable only for BMW Models. EASY INSTALLMENT: English instruction included. Please be sure to provide a current Street Address when you order. If for any reason you are not satisfied with our product, you can return the item within 14 days. The return item must preserve in its original condition.
Thank you for viewing our listing. We are committed to offering our customers the best possible selection of quality merchandise while providing fully satisfied customer services. We sell only high quality products all shown at Sema Show in Las Vegas every year. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Exhaust & Emission Systems\Exhaust Pipes & Tips". The seller is "carlab-design-tuning" and is located in this country: TW.