Hedman Chikara 4-2-1 two-piece with PowerPlus:
Technology:Hats off to Hedman for designing a D-series header with a lot of interesting features. Not only does this design include stepped primaries, for improved velocity due to their anti-reversion inducing effect, it also includes an equalizer tube design to eliminate spent gases more efficiently. As a two-piece header it will be heavier than a one-piece (but easier to install) and it does appear to suffer from short primary and secondary merges, which look to be potential design limitations in terms of flow and velocity. Despite the merges, this header has a lot of potential to produce nice gains over a broad powerband and it’s a very good value given the price and features like stepped primaries and an equalizer tube.
