AFE Power Large Bore-HD 4" Downpipe Back Stainless Steel Exhaust System

2011 - 2016 6.7L Ford Powerstroke

SKU NWD-49-43034


The aFe Large Bore-HD flange-back exhaust race system is built for maximum performance and extreme mileage gains.

This free flowing exhaust system outflows the factory exhaust by 300cfm, is constructed out of durable 4" mandrel bent 409 stainless steel and uses bayonet style hangers and band clamps for a clean installation.

You will be shocked at the performance and mileage improvement you will see from this system.

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This system comes complete with all tubing, muffler, bayonet hangers, band clamps and is finished off with a high luster 6" polished 304 stainless steel, rolled, slash cut tip.

Note: This system requires the use of a programmer or controller.

Note: This is a "Race Only" product used solely for competition. Its use is limited to closed-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. This system also requires an aftermarket electronic module to work properly with the vehicle.

This system weighs 85lbs less than the factory exhaust for increased performance and fuel economy.

All aFe exhaust systems are engineered and manufactured in their Corona, California manufacturing facility.


2011 - 2015

Ford Powerstroke