aFe Power Large Bore-HD 5 Inch 409 Stainless Steel Cat-Back Exhaust System

49-44029-P, 49-44029-B
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The Large Bore-HD DPF-Delete race turbo back exhaust system eliminates the use of the restrictive diesel particulate filter (DPF) for maximum performance and extreme mileage gains. This free flowing side exit exhaust system outflows the factory exhaust by 300cfm is constructed out of durable 5" mandrel bent 409 stainless steel and uses bayonet style hangers and band clamps for a hassle-free installation. This system comes complete with a free flowing muffler, all tubing, bayonet hangers, band clamps and is finished off with a high luster 6" polished 304 stainless steel, rolled, slash cut tip.

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. Visit for the release of liability form.

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

More Information
Part Number 49-44029-P, 49-44029-B
Brand aFe Power
Type of Part Cat Back Exhaust
Engine Fitment 6.6L Duramax
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