
Ok here's the scoop, raise the chair, easy to install, take your time, don't over tighten or remove the screws, easy 25 minutes per gallon I'm sure that this can have a positive effect, however, my spending per gallon increased from 17.8 to 18.2. With that amazing raspy sound you get when you step on the gas pedal, the mileage will drop fast! Take it easy, it will save you. WOW sound! My 2013 F150 with the Coyote 5.0 sounds really awesome hitting the freeway at 40-50mph and stomping on it and everyone within 30 feet will look around and freak out, what was that? LOVE IT! HP didn't notice anything except a little faster acceleration, without dyno adjustment you don't notice anything! Price Expensive, for almost $300 I got a chrome pipe for looks, and for the pipe some gaskets and an air filter, not sure I can say it's worth $$$. Is it your choice if you want your car to sound and feel GREAT? Take it! If you want to save 1mpg put $300 in your savings account instead :) I'll end by saying I love it and think it was worth it, here are some pics.

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