After considerable preparation work, next week we begin to build the Cartridge Exhaust System for the Z8. The system should be completed by February and I will keep you apprised. Virtually all of it will be built from 321 stainless and, as appropriate, aluminum alloys might be used for certain hangers as titanium will be used as appropriate for fasteners. The principal goals of the system will be to reduce weight, improve sound quality and, possibly, produce a bit more HP. If we do our job right, it should be the highest quality exhaust for a Z8. It will not be available for general purchase but only on a very limited basis.