Subaru has a sectioning procedure for the outer B-pillar. The procedures can be found at techinfo.subaru.com

For short videos that show how to purchase and access the Subaru collision repair information, check out the Subaru OEM Information page.

A tool that may be used to find out if the vehicle maker has a partial replacement or sectioning procedure is the I-CAR developed OEM Partial Part Replacement Search.

Check out the I-CAR Collision Repair News article: Reading Subaru Repair Procedures