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4N Motorsport is excited to launch the first 6-1 equal length, sequential firing, and stepped header for the N52 platform!
The goal here was to produce the best sounding and highest pitch N/A sound while keeping restrictions low at the higher rpm. Since this is a 6-1 header design high rpm is where it really starts to scavenge and make power. Designing steps into this manifold took a lot of work but allows it to keep some mid range then flow like a larger ID tube header up top.
HP data, graph comparisons, and general information will be posted as testing continues. Videos/ data will be posted to our social channels. ETA for pre order will begin in 2 weeks! Pre order group buy launch price is expected to be $2,500