Racing Dynamics Headers 2005-2008 Porsche Boxster/Cayman 2.7L, 3.2L, 3.4LHeaders for Porsche Boxster or Cayman, 987. 1, 2. 7L, 3. 2L, & 3. 4L motors 2005 08. All 304 stainless steel including 1. 5mm tubing and 10mm flanges. Best quality. Headers do not have catalytic converters and are designed for maximum air flow. They are designed for power gain and race track events. Features: Manufactured from 304 stainless steel and TIG welded. All tubes have 1. 5mm wall thickness 304 stainless steel and TIG welded tube. Equal length