This exhaust kit is perfect for Ford F - 150 owners from 2011 to 2014 who want to enhance their driving experience. Whether you're cruising on the highway or showing off at car meets, it will make your truck stand out. The kit fits various F - 150 sub - models like FX2, FX4, and SVT Raptor. The piping has a 3 - inch diameter, and the muffler, inlet, outlet, and y - pipes are made of 409 stainless steel. The tips are 304 stainless steel with a chrome flash and the ROUSH logo. It's a great upgrade for anyone looking to add some power and style to their F - 150.