PolarStar x Amped RED Edition Fusion Engine Purple LFP/Nozzle (GEN 3) V2 HPA gearbox Only 50 of these have been made in the red color. Purple Nozzle and Purple Shimmed Low Flow Poppet. used a couple times works flawlessly. Best HPA engine you can get. This is a drop in HPA system very easy to install. Comes with original box, red fusion patch, original igl line with adapter. upgraded heavy weave IGL line already installed, and a FCU. No Trades.