Sakura Fab: 4AG Heat Screen Intake Manifold Gasket

[FunkyColdMedina]

Sooo... maybe not the brightest question but are these designed for only the stock exhaust manifold? Or will using them with headers give similar gains

[b-rock]

Sooo... maybe not the brightest question but are these designed for only the stock exhaust manifold? Or will using them with headers give similar gains

Um, intake.

[Duy-]

Sooo... maybe not the brightest question but are these designed for only the stock exhaust manifold? Or will using them with headers give similar gains

lol classic #cleston
as a matter of fact they'll provide MORE gains with an obx replica trd header. FACT
fitment might be awkward but keep trying