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The aFe Large Bore HD cat-back exhaust for GM diesel trucks with the 6.6L V8 (2006–2007 LLY/LBZ) features 4" mandrel-bent 409 stainless tubing to reduce restriction and lower EGTs. OE-style band clamps and bayonet hangers deliver a clean fit and easier installation. A high-flow muffler boosts horsepower and torque and the system carries a limited warranty for parts coverage.
aFe LARGE Bore HD Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 06-07 V8-6.6L (td) LLY/LBZ
