View Full Version : trapp caps

10-15-2009, 08:44 PM
i bought a sloted hole trapp cap for my supermegs, is that all i need or do i have to buy an open end cap to put on before the trapp cap?

10-16-2009, 07:38 AM
It depends if you want to run it "open" for more sound, then no, the billet end cap will act as the open end cap. If you want to keep the same sound with your current rate of flow, just add the billet end cap to the end with the "closed" end cap in front of it as a shield.