The two Hasport and its good friends at Hondata have found that K-sequence engines warmth their ingestion air appreciably, causing challenges with engine management and electricity output. Hondata now sells a heatshield consumption manifold/cylinder head gasket to replace the manufacturing unit portion. It's measured intake manifold surface area temperatures from https://elevemotors.com/product/jdm-mitsubishi-outlander-4b12-engine-for-sale/