Originally Posted by JAM3S
Nice! Sounds like you enjoy your exhaust nicely. I had the full F1 system. They only changed my X pipe and the sound changed dramatically. There are only two valves on my mufflers as well. Imagine these are the tips. OX XO X are where the valves are. I gotta say, the F1 really sounds amazing. It's really really just that crazy. I kinda of miss it. Downshift in D5 is absolutely crazy. I had a lot of fun.
iPE are well known for their torque lost in open mode, that is why I set it at 4k. So I guess if you want F1 sound, just change the X pipe and you are set to go! Meanest and the loudest in your town I bet! Do you have a 6 speed?