With the new trailer I thought the titan could use some extra help suspension wise so I ordered some Firestone Airbags and an On Board Air system. Had them sitting at the house for about a month so I decided to install it since I was gonna tow this weekend.
Air compressor sitting on "hump" under drivers side rear seat. The air cables go down through the floor and back to the air bags from here.
Controller under the steering wheel. It doesn't interfere with my legs at all.
28' trailer hooked up with only air bags no sway or load control.. (That broke today so another story on that later) Only about 35 psi in the bags right now. I think 45 would level it all out.
Total time was about 6 hours and routing the hoses and wire was a pain. I had to remove the molding on the drivers side but it is concealed and does the job.