MBRP 03-07 GM Pickup 4.8/5.3L EC/CC-SB 3" Cat Back 57BK Great torque and mileage in

Great torque and mileage in 400 with stock gear ratio

Pump Mount Style Reservoirs

and fluid management systems

Fit non computerized vehicles

each bolt has a larger diameter

MBRP 03-07 GM Pickup 4.8/5.3L EC/CC-SB 3" Cat Back 57BK Great torque and mileage inMBRP Exhaust Installer Series, Cat Back System. 4in. Outside Diameter Tip Included. Single Side ExitMBRP Inc. was established in 1995 and is based in Huntsville, Ontario. MBRP manufactures high performance exhaust systems for many makes and models of imported and domestic vehicles. The MBRP product line up includes headers, exhaust systems, and pipes, as well as mufflers and delete kits. They also offer intercooler pipes and turn down systems for both