AFE 49-44002 LARGE BORE-HD 4" 409 STAINLESS STEEL CAT-BACK EXHAUST SYSTEM FOR 06-07 GM 6.6L DURAMAX

The AFE 49-44002 Large Bore-HD 4" 409 Stainless Steel Cat-Back Exhaust System for GM Diesel Trucks 06-07 V8-6.6L (td) LLY/LBZ is a powerhouse upgrade designed to handle the toughest conditions. Crafted with mandrel bent 4" 409 stainless steel tubing, this exhaust system delivers optimal flow, boosted horsepower, increased torque, and lower Exhaust Gas Temperatures (EGT's). Whether you opt for the full 4" cat-back with muffler, the muffler delete pipe, or the polished tip, the Large Bore-HD guarantees exceptional performance, precise fit, and bang for your buck.

This exhaust system is engineered for easy installation using factory mounting locations, ensuring a stable and straightforward setup process. The inclusion of high-quality OE style band clamps guarantees a leak-free seal with a complete 360-degree sealing surface. Enjoy an aggressive sound profile with the free-flowing 24" long muffler that absorbs high pitch tones, or go for maximum flow and a race-inspired sound with the muffler delete pipe.

With OE style bayonet hangers that maintain pipe stability during high vibration and heat exposure, and smooth transition bends for low turbulence, the Large Bore-HD exhaust system ensures a perfect fit while maximizing flow and performance. Rest assured, this product does not require a CARB EO#, meeting emissions standards.

All AFE exhaust systems, including the Large Bore-HD, are proudly engineered and manufactured in our Corona, California facility. Compatible with a range of Chevrolet Silverado and GMC Sierra models from 2006-2007, this cat-back exhaust system is the ultimate upgrade for unleashing the full potential of your GM Diesel Truck.