This is the optional O.S. Max T-2060 WN Speed Tuned Pipe Set / for the O.S. Max VZ-B V-Spec Engine, OSMG2068 and the .30VG Series. / / FEATURES: Constructed of polished aluminum / Three chamber design / IFMAR/EFRA approved / Welded Pressure Nipple / Single Piece Design / / INCLUDES: O.S. Max T-2060 Speed Tuned Pipe with / welded pressure nipple / One 180° Manifold / Two Silicone Gaskets / Three Small Pipe Springs / Two Large Pipe Springs / / REQUIRES: Installation / / SPECS: Length? 6.6" (168mm) / Pipe Diameter: 1.4" (36mm) / Inner Diameter at Header End: 0.71" (18mm) / Inner Diameter of Exhaust Outlet: 0.31" (7.8mm) / / JiM 3.22.07