PowerPack System-04-10 Gm 8.1 Mh-W20/22; R-Exit

Banks PowerPack features a revolutionary new Ram-Air intake system that delivers greater airflow and air density for more power. A pair of stainless-steel, tuned-length TorqueTubes exhaust manifolds provide stunning torque output when you want it. Pass, merge and climb as you please: your PowerPacked coach wont break a sweat. Achieve best gains of +70 hp and +92 lb-ft torque at the rear wheels, with better fuel economy - and never require high octane. Important: Some vehicle configurations require an extension kit for proper fit. Note: Banks Ram-Air intake system available for W-Series only. P-series chassis with wheelbases over 190 in. require extension kit. W-series chassis do not require extension kit.