BAFFLED / ANODISED. 19MM INLET & OUTLET. Inlet & Outlet Connections 19mm. Silicone Pipe ID 19mm. 19mm Plastic T-piece. OIL CATCH CAN KIT Tank FIT. Give your 1.8T engine a new breath of life by fitting our complete catch can kit.Oil catch cansare widely usedto ensure a smoother and efficient engine.