Banks Power 52437 Stainless Steel Exhaust Muffler 3.5 Inch Inlet and Outlet W/hardware 98-04 Ford 5.4/6.8L Truck Banks Power CORE-1000 With the stock exhaust nozzle

With the stock exhaust nozzle measuring a mere 4 inch compared to the Monster Exhaust's massive 5 inch outlet

clean install (all-electronic design requires only a few simple underhood connections)

delivering tremendous load-hauling power (airflow improvements recommended)

Mishimoto Heat Resistant Silicone Ducting can be used to channel cool air to many vital locations in the vehicle such as the brakes

Curved cross sectional extruded tubes allow additional air flow to the radiator versus square bar and plate designs giving 57% more cooling surface

Banks Power 52437 Stainless Steel Exhaust Muffler 3.5 Inch Inlet and Outlet W/hardware 98-04 Ford 5.4/6.8L Truck Banks Power CORE-1000 With the stock exhaust nozzleMonster Exhaust Benefits. Replacing the restrictive stock muffler with Banks free flowing Monster muffler makes a huge difference in airflow, sound and performance. The Banks muffler has a large inlet and outlet. And in between, the exhaust flows straight through, instead of torturously winding its way back and forth inside hairpin chambers and building up back pressure. And only Banks Monster muffler has an expansion chamber to alleviate the nasty