depends on ur dealership too.
the one i bought mine from said that i can do a catback and if i do a turboback they wouldnt cover an 02 or cat failure.
they also said if do ic, cams, or even intake - basically anyhting in or around the engine they would not cover any engine or drivetrain failure.
find a cool dealer, dont mod, or take ur mods off before ur take it in.
he found a cool dealer so good for him
the mr se is plenty fast for me though
it was fun driving it in the rain last nite with the gravel acd setting; i was glued to the pavement

 

the starter took a crap to so they are waiting for a new one then they will see if any thing else is broken. They said that a bearing in my tranny for some unkown reason shoot out the side of it. then every thing locked up........ The friction caused the rest of the tranny fld to burn. should be fixed by the end of the week