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.The item "Electronic Exhaust Muffler Controller Bluetooth 4.0 Remote Control for BMW" is in sale since Saturday, September 1, 2018. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Pipes & Tips". The seller is "carlab-design-tuning" and is located in Taipei. This item can be shipped worldwide.