Flow Numbers
Port Volume 290cc 2.18 Intake / 1.625 Exhaust
Chamber Size 58 cc
Competition Port
0.300 210 cfm
0.400 276
0.500 331
0.600 368
0.700 391
0.800 391
Exhaust
0.300 165
0.400 215
0.500 240
0.600 255
0.700 265
0.800 270
0.900 275