Hundreds of hours of research, prototyping, engineering, testing, and daily usage evaluation plus over two decades of performance engineering for European autos has yielded the ultimate exhaust for the BMW F30 335i. The AWE Touring Edition Exhaust is an Axleback system that leverages AWEs proprietary drone-canceling solution, 180 Technology, to produce the perfect exhaust note, drone-free.All products are confirmed to fit both RWD and X Drive vehicles.