Rpi Scoops and BMC filters are a must. :hihi: You might want to check out Race Precisions pulleys also.
Here's the link.
http://www.m5board.com/vbulletin/showthread.php?t=105380&highlight=RPI+SCOOPS
Here's the link.
http://www.m5board.com/vbulletin/showthread.php?t=105380&highlight=RPI+SCOOPS