About a year ago, while driving on the PA turnpike one night, an sti blew by me. nothin special about that, except when he droppd a gear, a blue flame spit from his exhaust! i chase him for about 20 miles. he probably knew why i was chasing him cuz he let me stay close and kept dropping gears. is this a special exhaust? can you only get that flame shot with a turbo? i dont know anyone with a turbo so i've never personally asked anyone.