ALV Inlet pipe adapter 1-1/2" (38.1mm)ALV Inlet pipe adapter 1 1 2" (38. 1mm) The ALV Inlet pipe adapter 1 1 2" (38. 1mm) is a genuine Turbosmart performance part designed for reliable operation, precise fitment and proven results on street and track builds. ALV Inlet pipe adapter 1 1 2" (38. 1mm) Why Buy from Torque Lab? Torque Lab supplies genuine performance parts for serious street and track builds across Europe. We focus on technically correct fitment, strong SEO friendly product