From what I've read the single yields slightly better performance. If you are worried about looks you can always buy the cover piece that goes over the second exhaust cut out on the rear bumper.
From what I've read the single yields slightly better performance. If you are worried about looks you can always buy the cover piece that goes over the second exhaust cut out on the rear bumper.
-2002 Subaru Impreza WRX Wagon
-2004 Nissan Sentra SE-R Spec V *boosted* (parting out)