Buy OEM 2003 Subaru Part # 44652AB16A. Catalytic Converter Heat Shield. Exhaust Heat Shield. Cover Complete Elbow Pipe (Center). Exhaust Manifold Heat Shield A tinny ticking

Cover Exhaust. Heat Shield used on the Catalytic Converter.

COVER COMPLETE-ELBOW CENTER PIPE Catalytic Converter Heat ShieldExhaust Heat Shield

Fits Legacy, Outback

Exhaust Manifold Heat Shield
A tinny ticking, buzzing, or rattling noise that sounds like it's coming from under your 2003 Subaru may be a bent or rusted exhaust heat shield.