This high quality PTFE coated intake manifold for 50cc, 125cc, and 150cc GY6 scooter engines is from NCYMonster Scooter Parts gives you the choice between the EGR and the non-EGR style manifoldDescription This high quality PTFE coated intake manifold for 50cc, 125cc, and 150cc GY6 scooter engines is from NCY.Monster Scooter Parts gives you the choice between the EGR and the non-EGR style manifold. NCY intake manifolds offer a smooth bore and larger inlet diameter over stock. Combined, these two assets allow more air and more fuel into your cylinder, giving you more power. Intake manifold upgrades are a must for larger carburetors.It doesn’t make sense to install a large carburetor only to have its flow restricted by the manifold. Larger manifolds can make a noticeable power increase on their own, and provide a choice option over the standard rubber manifolds. Long lasting parts, and more power.EGR FEATURES: Cast aluminum intake manifold with PTFE coating. One vacuum fitting and one E