Buy Lexus RX 350 Exhaust Manifold Heat Shield. Exhaust Manifold Heat Shield - Repair or Replace A Engine, Intake, Like - OEM Lexus Part # 1716831130 (17168-31130)

INSULATOR, EXHAUST MANIFOLD HEAT, NO.2

Fits RX 350 (2016 - 2022)

Exhaust Manifold Heat Shield - Repair or Replace
A tinny ticking, buzzing, or rattling noise that sounds like it's coming from under your Lexus RX 350 may be a bent or rusted exhaust heat shield.