BBR i Uk har udarbejdet et interessant kit til NC'erne.. som giver 180 HK for ca. 16.500 og virker som en ganske fornuftig pakke.
http://www.bbrgti.com/product_details.p ... 59&make=18
BBR stainless steel 4 into 1 exhaust manifold
BBR 2.5 inch stainless steel exhaust centre section with high flow metallic sports cat and centre silencer
BBR stainless steel rear silencer with adjustable 3.5 inch BBR branded tailpipes
High flow BBR performance panel air filter in standard Mazda airbox
BBR StarChip ECU remap