I know everyone hates the Stillen header but I have a 4-2-1 second gen with the dented flexpipe and it has yet to leak since 1997. The flexpipe is an original since 1998. 91 NX2000 with work. 97 Maxima SE, smooth and powerful automatic http://www.angelfire.com/ny/ianjiggyroom/IansNX2000page.html