00-06 Volkswagen Golf GTI 1.8T Turbo MK4 Silicone Turbo Inlet Intake Hose Blue w/19mm PCV Constructed with 3-Ply Reinforced Silicone Color: Blue Remark: For model with the newer style 25mm PCV valves (previously 19mm), it requires a 25mm&gt;19mm adapter. Please check your vehicle before the purchase. This kit does NOT include the 25mm &gt; 19mm adapter. You would need to purchase it from different vendor. Vehicle Application: 2000 2001 2002 2003 2004 2005 2006 Volkswagen Golf / GTI 1.8T Turbo with 19mm PCV (MK4) Engine Code: AWW / AWD / AWP / AUM / APP / AWU / AUQ *** Vehicle with 25mm PCV requires an additional 19mm&gt;25mm adapter which is NOT included in this kit ***