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This Gibson replacement header gasket for Jeep 4.0L restores a reliable exhaust seal for improved system performance and professional-looking results. Intended for hassle-free, bolt-on installation, it supports exhaust flow with minimal fuss. Using genuine Gibson components helps maintain expected gains when paired with manufacturer exhausts—average increases cited around 5–10 hp. Backed by Gibson's lifetime limited warranty.
Gibson Replacement Header Gasket - Jeep 4.0L
