Manifold. Insulator. Heat. Exhaust.
A Heat reflective barrier to prevent items from coming in contact with the hot Exhaust Manifold. M. Cover. Deflector. Shield.

Catalytic Converter Heat ShieldExhaust Manifold Heat Shield

Fits Highlander, Sienna

2WD, left side, upper. 3.3 LITER, exhaust manifold, w/converter, upper. 3.3 LITER, upper. 4WD, upper. Manifold.
Exhaust Manifold Heat Shield - Repair or Replace
A tinny ticking, buzzing, or rattling noise that sounds like it's coming from under your 1984 Toyota Camry may be a bent or rusted exhaust heat shield.