Buy OEM Subaru Part # 14085AA130. Exhaust Manifold Heat Shield. Cover Exhaust Manifold (Right, Upper). With the Hot Exhaust Manifold. Exhaust Manifold Heat Shield A tinny

A Heat Reflective Barrier to prevent items from coming in Contact. Exhaust Heat Shield.

COVER-EXHAUST MANIFOLD UPPER,RIGHT Exhaust Manifold Heat ShieldExhaust Heat Shield

Fits STI, WRX

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