Click here to enlarge Originally Posted by jyamona Click here to enlarge
Proper short runner manifolds like these smash the excessively long tubed headers, as evidenced by Motive's spool and peak power. There's is with an open scroll T3 v-band too! Twinscroll T4 will be even better.
Not true at all. Our testing with the 6465 on our top mount kit, proved to be just as potent as their Motiv750 kit. Spool exactly the same, and power is the same.