Genuine OEM Audi EGR Connecting Pipe, part number 04L131521BH. This component is part of the Exhaust Gas Recirculation (EGR) system, responsible for routing a portion of exhaust gases back into the engine's intake. This process helps to lower combustion temperatures and reduce harmful nitrogen oxide emissions. Constructed from durable metal with a flexible section, it weighs 0.312 kg. A genuine OEM EGR pipe ensures proper fitment, leak-free operation, and resistance to high exhaust temperatures for effective emissions control.