dash is pretty easy take one out put one in not all of the holes line up so you kind of have to work with it use zip ties in some places or if you are really anal weld on new tabs to bolt through...13 sec i wish prob mid 14's untill we turbo it ... its the shop beater car the owner bought it for a daily driver.. he has a turbo type-r with full jdm interior red recaros and all and a 91 sr20det swaped 240 sx that put down 309hp on a dyno at the wheels and ran 12.60 at 113 on street tires