Parts for your 2013 Subaru Forester-Exhaust gasket

2013 Subaru Forester exhaust gasket

Technical references from the Subaru Service Manual for the SH chassis (Exhaust section), Subaru’s genuine parts catalogue, and mainstream aftermarket catalogues (e.g., Walker Exhaust, Fel‑Pro) all show that the 2013 Subaru Forester uses several exhaust gaskets. These include manifold‑to‑cylinder‑head gaskets, ring or “donut” gaskets at spring‑bolt joints, and flange gaskets further downstream. Turbo variants also use a turbo outlet gasket. So an exhaust gasket is absolutely relevant and fitted on this model.

The exhaust gasket’s job is simple but vital: it seals the joins in the Forester’s exhaust so hot gases don’t leak before they reach the catalytic converter and mufflers. On the 2013 Forester (FB25 non‑turbo and applicable turbo models), proper sealing keeps noise down, prevents exhaust odour creeping into the cabin, protects nearby components from heat, and ensures the O2 sensors and cat see the right gas flow for clean running and good fuel economy.

There’s no fixed service interval for exhaust gaskets, but they’re a common “replace on disturbance” item. Any time the exhaust is dropped—say for clutch work, gearbox removal, front pipe, cat, or muffler replacement—fresh gaskets should go in. The crush style (donut) gaskets are designed to conform once