The Monster Exhaust from Banks will exceed your expectations. The 4" system is designed to maximize airflow to minimize backpressure and deliver powerful performance gains. And of course, this system also includes that signature Monster Exhaust sound, throaty and aggressive but never overpowering.
The heavy-duty stainless steel 4" Monster Exhaust from Banks Power delivers like no other exhaust system can. This single exhaust shows off Banks' engineering prowess, including a constant-diameter (even through the bends) intermediate pipe and tailpipe, and the exclusive Monster Muffler. Dropping your stock exhaust for this beast will not only slash your EGTs but also get your exhaust flowing 91.5% better virtually eliminating backpressure.
The Monster Muffler features a straight-through 4" diameter flow-path with an exclusive expansion chamber that dissipates the annoying mid-range exhaust drone. The spun ceramic, very-high-temperature packing not only helps to more than double your exhaust flow, but also delivers the signature Monster sound.
The Monster Exhaust includes a 3 1/2" turbine outlet pipe--not required for '06 PowerStroke's with manual transmission--and is finished off with Banks huge 5" round angle-cut rolled edge tailpipe tips. You choose between high-temp black or polished chrome-over stainless cleverly designed with a 1/2" air gap to keep the finish looking great. The tailpipe tips also feature an adjustable clamp that lets your position your tips just right.

Specifications
- ManufacturerBanks Power
- MPN48783 | 48784 | 48785 | 48786 | 48787 | 48788 | 48783-B | 48784-B | 48785-B | 48786-B | 48787-B | 48788-B
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Banks Power Monster Exhaust 03-07 6.0L Ford Powerstroke
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