Originally Posted by buggydad

I got my c6 usa broke in.It toke a while and last i was at the track i started to race tune it.Im running it with the jp4 and the thing runs like a raped ape but im thinking the jp4 may be hurting it more then anything.Does anyone know if i can/should run the jp4 manifold with the rb 2045 or is there anymore recomendations?
Thanks