AWE Tuning BMW F3X 340i Touring Edition Axle-Back Exhaust - Chrome Silver Tips (102mm)

AWE Tuning BMW F3X 340i Touring Edition Axle-Back Exhaust - Chrome Silver Tips (102mm) Product Details As exhaust gases exit the 340i / 440i engine and flow into an AWE 180 Technology equipped resonator, they pass through strategically located ports and into reflection chambers. Sound waves, carried by these exhaust gasses, bounce off the walls of the reflection chambers. By controlling the size and location of the ports and the chambers, we also control when the sound waves exit the chambers. The specific timing of when the reflected sound waves rejoin the main exhaust flow creates a one-hundred-and-eighty-degree out-of-phase sound wave that cancels out problematic frequencies. Features: Straight-through design featuring AWE's proprietary drone-canceling solution Full 3" CNC mandrel-bent system Max gains of 9 hp and 11 ft-lbs of torque at the crank Axle-back design for the street Performance Mid Pipe for racing applications Tip options include 90 or 102mm double-walled tips in chrome