The Exhaust valve control module is a complete plug-n-play controller designed for BMW that allows you to remotely open and close the vacuum operated exhaust valve. The solution is simple: create a high performance, quality built product with variable exhaust sound and performance. Including neceary hardware for fitment, and there is no cutting, soldering, welding, or fixing required.The drivers uses this valve to control sound when optimum performance is not needed. When the valve is closed, the exhaust is in quiet mode. When fully opened, the exhaust system is in maximum flow mode and therefore the sound of your exhaust is louder. Many Car owners want a more performance oriented sound from their exhaust without being annoying. After the 30 minute installation, Exhaust valve controlallows the owner to open & close the valve. Compatible with all exhaust systems (OEM or aftermarket) that retain the factory E.V.C control.Features- Full control over Exhaust Valve Control at the touch of a steering wheel button- Open/Close Exhaust Valve at any time and instantly- Even on cold starting, flaps can be opened (not poible with OEM / M- Menu)- Delete-R function- Easy 30-minute installation proce with no wire cutting- Completely removable at any timeFitmentExhaust Valve Fit for 2" /2.36" / 2.5" / 3"Exhaust Piping (Not A Direct Bolt On Item)please chose correct size before your orderExhaust Valve D51 Fit 2" PipingExhaust Valve D60 Fit 2.25" PipingExhaust Valve D63 Fit 2.5" PipingExhaust Valve D70 Fit 2.75" PipingExhaust Valve D76 Fit 3" PipingPackage:1x Electric exhaust cut out with Dual Valve (not including the eletric controller)Models Supported:- (2004-2012) For BMW E82/E88 1-Series- 2014+ For BMW F2X 2-Series- 2012+ For BMW F3X 3-Series- 2014+ For BMW F3X 4-Series- 2011+ For BMW F1x 5-Series- 2015+ For BMW F8X M3/M4Also could fit other car For Honda.For Toyota.For Ford,please check the size before order.WE HIGHLY RECOMMEND PROFESSIONALINSTALLATION!*No installation Tool & No instruction is Included, Profeional Installation is Recommended*All items are Brand New unle stated otherwise on the listing. We sell DIY (Do It Yourself) Items with a few exceptions. We take no responsibility in teaching you how to install. Profeional installation is strongly recommended.