I installed the BMW PE on my BMW E93 and love it. My brother has a Shelby Cobra replica and we both got on it and he could hear my PE over the sound of his side pipes. He said it was loud and sounded awesome.
Skhmund, check on ebay motors, I bought mine for $1124 shipped.
2007 Dodge Charger SRT8 "SuperBee"
2012 Dodge Charger SRT8 (Wife's Car)
2011 BMW 335i/E93: M-Sport, PPK1, BMW PE, Black Kidney Grills