I recently switched over from a previous stock 2014 mani with a JLT CAI BBK LTH, H pipe Roush axel backs quad tip exausts. , TO A Cobrajet ported, 47ib injectors, 65mm ford trin throttle body, Pmas CAI,BBK LTH, H pipe roush axel backs quad tip exausts. Both tuned by lund on 93/91 race tune. I...