Corsa 24404 Sport Cat-Back Exhaust System (Side Exit w/ Polished Tip) for 06-07 Dodge Ram 4.7L V8 & 5.7L Hemi 1500. This system provides an aggressive, acoustically-tuned sound tailored to each vehicle, while RSC™ technology eliminates interior drone for a smooth ride, and the non-restrictive design boosts horsepower and torque by reducing back pressure.