Buy 2008 Mazda 3 2.3L A/T S Sedan Shield. Heat. Exhaust. 3.7 LITER, REAR, outer. REAR, outer. REAR REAR, Outer - OEM Mazda Part # CY0240870 (CY02-40-870)

A Heat reflective barrier to prevent items from coming in contact with the hot Exhaust Manifold. Exhaust Heat Shield. Heat Shield used on the catalytic converter. Manifold. Catalytic Converter. Protector.

Catalytic Converter Heat ShieldExhaust Heat ShieldExhaust Manifold Heat Shield

Fits 6, CX-9

3.7 LITER, REAR, outer. REAR, outer. REAR, preconverter, rear.
Exhaust Manifold Heat Shield - Repair or Replace
A tinny ticking, buzzing, or rattling noise that sounds like it's coming from under your 2008 Mazda 3 may be a bent or rusted exhaust heat shield.