The increased flow is achieved through the efficiency of a straight-through valve versus a poppet-style valve

To complite your suspension upgrade be sure to check out the Lock kit for Mazda RX8

We have changed the geometry that it doesn't cause any handling issues

On Wisefab knuckles

This kit contains lower and upper control arms with necessary hardware to upgrade your Wisefab C5 / C6 Front drift knuckles to PRO level angle kit

JR Wheels JR20 20x10 ET20-40 5H Blank Matt Black CB: 74,1 JRX4 The increased flow is achievedPCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120, 5x127, 5x130 ET: 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40