DON’T BUY GRANATELLI!!!! Read this before purchasing anything made by Granatelli Motor Sports. I bought a Granatelli cold air kit for my 2007 Mustang GT (the one that comes with it’s own MAF sensor). I carefully installed it, and got check engine lights. Granatelli had me send back the calibration harness and sent me a new one. I installed it again, same thing happens again! I call them up and they tell me the cold air kit just doesn’t work with some vehicles and that I will get a full refund. I ship it back to the vendor (this is what they told me to do), and the vendor calls me and tells me they can’t refund my money because the kit is used. Well duh! I had to install it to find out it didn’t work (what is this, a Dilbert cartoon?). Long story short, they ship it back to Granatelli who now tells me they are charging a restocking fee to the vendor. The vendor then of course is charging me a 20% restocking fee!!! I tell Grantelli that they told me I’d be getting a full refund. They deny this and also deny telling me that the kit doesn’t work with some cars. This is total BS!!! Never buy anything from Grantelli, you’ll be sorry!