HNC Rear Bumper | 03-06 GMC Sierra 2500/3500 Exhaust Systems and Components_Tailpipe Hangers torque and out-flowed the factory

torque and out-flowed the factory intake by 81%

either electronic or mechanical

This systems comes preset to 40 PSI

You will love the aggressive exhaust note of a 4" system with no muffler while maximizing exhaust flow

torque while outflowing the factory intake by up to 70%

HNC Rear Bumper | 03-06 GMC Sierra 2500/3500 Exhaust Systems and Components_Tailpipe Hangers torque and out-flowed the factoryHNC bumpers are made specifically for heavy duty applications to handle anything you throw at them. These winch ready duty bumpers are built tough to accommodate rear mounted winches, which provides a clean, sleeker appearance.