Hi, I recently got a new Borla dual exhaust for the FJ. While the twin pipes look great and I love the sound, I THINK it feels like I lost some power. Is this possible? I am getting the same mileage & miles per gallon. I also got a new Mini Cooper S that is quick, so I kinda think driving it may...

I want to install a new exhaust SYstem to my FJ cruiser 2014..but Im confused which one will fit the best in my car and give me better performance. plzz help Model 1 TRD Cat-Back Exhaust System w/ Chrome Tip 07-14 Toyota FJ Cruiser TRD Cat-Back Exhaust System w/ Chrome Tip [PTR31-35070] -...