AWE Tuning Porsche 997.2 Performance Cross Over PipesFor Porsche drivers looking to eliminate the rear muffler, but not willing to accept the slight loss of power an X Pipe creates. AWE Cross Over Pipes are designed for enthusiasts looking to improve the power of their car, while reducing weight, and also waking up the tone of the car. Cross Over Pipes are an affordable and simple to install modification. With the OE rear center muffler, entering exhaust gas is forced into a tight radius u turn before