Hey Z1. ETA on those headers?

Originally Posted by DEpointfive0

this hype over these damn headers started with Mike, he got 342WHP with these headers and a Z1 intake manifold mod, which I do not believe Z1 has disclosed.What it really is, is shaving down the walls of the manifold to make them bigger. Also, god knows what tricky shít Z1 has done with their dyno or whatnot, (I don't mean to discredit them, just sayin'), but take it with a grain of salt... Also rear wheel weights will effect WHP numbers. So keep that in mind.