Originally Posted by Mimi05SRT6

SL55 splitter alone is ok. No need to go through all that work. You could always go the short ram route instead like I did for impressive gains. It may not be the best on the dyno, but it has always worked best for me out on the open road with all the air movement, especially the track. My back to back runs of 12.1 @114 mph don't lie.