This is a TOP FUEL Zero 1000 chamber. It was removed from an L15B GK5 Fit RS. The previous owner seems to have installed it on a GB Freed. [Included Items] Main unit, hoses, mounting stays (No instruction manual. Please refer to professionals or online resources like Minkara for installation.) I've used it for less than 500km after purchasing it, but the filter is in the same condition as when the previous owner used it. Therefore, it is recommended to replace the filter with a new one. To prevent any issues, please confirm compatibility yourself before purchasing. I will ship it as soon as possible, but it may take some time to arrive due to the year-end season. Also, since it is a used item, there may be scratches that are not visible in the photos. Please understand this before purchasing. Returns, refunds, and claims are not accepted.