Buy OEM 1991 Mazda Part # BP4Y13390A (BP4Y-13-390A). Exhaust Manifold Heat Shield (Upper). CALIFORNIA, 1999-00. FEDERAL, 1999-00, upper. Exhaust Manifold Heat Shield - Repair or Replace A

Shield. Manifold.
A heat reflective barrier to prevent items from coming in contact with the hot Exhaust Manifold. Cover. Exhaust Heat. Insulator, EX. Mnfd w/converter.

Exhaust Manifold Heat Shield

Fits MIATA

CALIFORNIA, 1999-00. FEDERAL, 1999-00, upper.
Exhaust Manifold Heat Shield - Repair or Replace
A tinny ticking, buzzing, or rattling noise that sounds like it's coming from under your 1991 Mazda may be a bent or rusted exhaust heat shield.