Hello to all of you. First off I am new to this forum and to owning a F-150. I bought a brand new 2012 F-150 XLT w/ EcoBoost. I have had the truck for 6 months now and love the thing to pieces. So far I have put a Les Schwab 2.5" Level Kit and swapped the stock 32" Pirelli Tires to 34" Toyo AT II while keeping the stock 20" rims. Next thing I would like to accomplish is make this thing have a better sound. What would be the general consensus on exhaust systems? After watching YouTube videos I think I am leaning towards either a Hearthrob or Flowmaster. Is there a better option than these 2? Will putting a exhaust system on void my warranty? Also this maybe stupid of me to ask and I apologize but will this hurt my fuel economy? I say this because I put a 40 series Flowmaster Muffler on my 2003 5.4L Ford Expedition and it killed my gas mileage. I lost about 2.5 mpg. Also at the time of exhaust installation should I consider a Cold Air Intake? If so what system should I go with? Again will a CAI void my warranty?
Thank You For Your Thoughts & Opinions
Thank You For Your Thoughts & Opinions