---Manufactured from highest quality T304 grade stainless steel ---Mandrel bent and fully TIG welded for strength and durability ---CNC machined flanges for strong, solid support and an accurate fit ---Direct replacement for the original manifolds - comes with gaskets and bolts ---Designed to flow much better than the stock log style manifolds Compatible with: ---Porsche Boxster 986 2.5 2.7 1997-1999 models ---Porsche Boxster 986 3.2 S 2000-2004 models Please note - This item will not fit Tiptronic models.