Torque Solution adapter to mate Subaru stock downpipe to a 3-inch aftermarket catback exhaust. This flanged adapter lets you connect a stock downpipe outlet to a 3" catback system without cutting or custom piping, simplifying exhaust upgrades and preserving factory routing where the downpipe and aftermarket exhaust use different outlet diameters.
Torque Solution Subaru Stock Downpipe to 3in Aftermarket 3in Catback Exhaust Adapter