This exhaust system has been discontinued. It's a perfect fit for 2011 - 2015 GM vehicles with the LML 6.6L Duramax engine. The FLO 761 by FLO~PRO is a 4' Cat - Back Dual Exhaust System. Replace your restrictive OE exhaust with this high - flow system. It comes with all the necessary clamps, pre - weld contour bent hangers, and stronger flanges for easy installation. Not only does it sound great, but it also lowers EGTs, boosts mileage, and increases torque in your 6.6L engine. Features include a 4' Cat - Back Exhaust, increased torque and fuel mileage, options of aluminized or stainless steel, dual rear exit, and no muffler.

How to use: First, make sure your vehicle is the 2011 - 2015 GM with LML 6.6L Duramax engine. Remove the old restrictive OE exhaust system. Then, use the provided clamps, pre - weld contour bent hangers, and stronger flanges to install the FLO 761 exhaust system. It's designed to fit most wheelbase and cab configurations. Notes: Since this product is discontinued, availability might be limited. When installing, be careful with the parts to avoid damage. Maintenance: Regularly check the clamps and hangers for tightness. If you choose the aluminized steel option, it may rust over time, so keep an eye on it. The stainless steel option is more resistant to corrosion. Clean the exhaust periodically to keep it looking good and functioning well.