For the serious performance enthusiast who demands the best of the best. For your 2011, 2012, 2013, and 2014 F150 3.5L Ecoboost V6, there is no better stainless steel than T304 and no better system than the MBRP Pro Series! With the highest chromium and nickel content of any exhaust, this is simply the best system money can buy. The Pro Series comes with mirror polished , dual wall T304 stainless steel tip included. Your MBRP performance gas exhaust system has undergone countless hours on MBRP's in-house Mustang 1100 AWD-SE Chassis Dynomometer, hundreds of miles on the road and track with numerous tweaks and modifications to get the most out of your truck. From the vehicle specific muffler design to the fully mandrel bent tubing to minimal bend degree angles, your MBRP performance system gets exhaust out fast. An MBRP performance exhaust system is the starting point to getting the most from cold air intakes, programmers, tuners and downloaders. MBRP systems are as much fun to install as to drive with on your truck. Bolt-on, no weld design makes installing this on your truck a no hassle one and a half to two hour project. Everything is direct fit to the OEM hangers and you get all the clamps and parts you will need, all in one box, no matter what configuration of truck you have. Performance is one thing but MBRP believes that appearance and sound is just as important. Every MBRP performance exhaust system has been specifically tuned to get the optimal sound from your pickup. With the MBRP brand etched on the tip and the unmistakable styling, there's no question that you have the hottest exhaust on the road with MBRP.