The exhaust manifold for Citroën HY and U23 models up until 1963 is a crucial component that collects exhaust gases from the engine and directs them to the exhaust system. This sturdy part is specially designed to withstand high temperatures and pressure. The manifold ensures efficient expulsion of combustion gases, contributing to the optimal functioning of the engine. Replacing or repairing it can improve performance and reduce noise. For owners of classic Citroëns, maintaining this part in good condition is essential for a properly running vehicle.