{"product_id":"afe-large-bore-hd-4in-409-ss-dpf-back-exhaust-w-dual-black-tips-2017-gm-duramax-v8-6-6l-td-l5p","title":"aFe LARGE BORE-HD 4in 409-SS DPF-Back Exhaust w\/Dual Black Tips 2017 GM Duramax V8-6.6L (td) L5P","description":"No shipping to California on this item. This item is not carb legal. Order will be cancelled if ship to California address.\u003cp\u003eInterested in a new exhaust system for your L5P Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructed from 4\" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit uses all factory mounting locations and comes with a bolt-on bracket that supports the driver side tailpipe. This provides for a quick, hassle-free installation with no modification necessary. Also included in this exhaust system are dual massive 6\" high temp black powder-coated stainless steel tips with a laser-cut stainless steel aFe power badges. Large Bore-HD exhaust systems are the perfect combination of performance, fit and value. Single To Dual Exhaust Conversion: This exhaust is designed to convert the standard single exhaust into an aggressive dual exhaust. Fits With Spare Tire:  This exhaust system fits perfectly without relocating the spare tire. OE Fit: OE-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE-style fit that does not change with time. Flow and Performance: This Large Bore-HD exhaust system is constructed from 4\" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's. Massive 6\" Black Tips: Finishing off the exhaust are dual powder-coated high temp black 304 stainless steel exhaust tips. 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