Hot air pipe filter used in bottom of exhaust manifold tube where it attaches to manifold shroud. Prevents debris from entering pipe into air cleaner.
Used on all 1968-69 Oldsmobile Cutlass and 442 V8 models, 1970-71 442 455 V8, 1972 455 4 Barrel with manual transmission and Outside Air Induction, and 1973 455 V8.
