hi everyone..i just found this website www.quicktimeperformance.com/ which sells electric exhaust cutouts.. they have sound clips of various vehicles and when the valve is open the exhaust sounds amazing..they come in a variety of pipe sizes from 2inch to 4inch..from what i can see they can fit any application by just matching the exhaust pipe size..i would love to put them on my x..cheap mod for great sound..techies please check it out and let me know what you think and if they would work on our x's...thanks rob