"I just installed the Mopar/Borla cat back and it is exactly what I wanted. At idle the engine no longer sounds like a sewing machine, and we all know it's not a sewing machine. Acceleration sounds as though you are driving a car with a performance engine without sounding like a teenager with glass packs. No drone at highway speeds and has the sound of authority at WOT. This is the exhaust that the factory should use as standard equipment on this engine..............."