Proflow Exhaust Manifold Stud Kit, Titanium, For Nissan, RB25/RB20, M10x1.25 aly-063 the highest target boost is

the highest target boost is more than double the “gate pressure”

This listing is for the 'Street edition'

to make oil filter changes easier or where space is limited in the engine bay

F6 requires included AF359-04 (M12 x 1

Dual Port and Supersonic Blow Off Valves (BOVs)

Proflow Exhaust Manifold Stud Kit, Titanium, For Nissan, RB25/RB20, M10x1.25 aly-063 the highest target boost isProflow Exhaust Manifold Stud Kit, Titanium, For Nissan, RB25 RB20, M10x1. 25 Manufactured from Ti 6Al 4V Grade 5 titanium, Proflow's titanium exhaust manifold stud kits for most popular engines are a perfect upgrade over your factory studs when chasing some big power! It is common for the factory manifold studs to come loose and fail over time due to the heat cycles produced by the cylinder head, and this can become a bigger issue especially when you