4GR-FSE Ported Intake Manifold Set | Lexus IS250 / GS250 Nissan Silvia S14 cooler temps

cooler temps

Send us a photo of your engine bay and we'll identify the correct style before you order

Cooler color: Black / Silver — selected at checkout

Infiniti Q50

and proven power gains

4GR-FSE Ported Intake Manifold Set | Lexus IS250 / GS250 Nissan Silvia S14 cooler tempsYour factory 4GR FSE manifold restricts airflow right where it matters most. This ported upper and lower manifold set opens up the runners for smoother airflow, better throttle response, and real gains across the RPM range hand finished, not mass produced. Key Benefits Upper manifold features expanded, smoothed runners for increased volume and velocity Lower manifold fully ported and polished for a seamless transition to the cylinder head Hand