ISR Version 2 Stainless Steel Tubular Bottom Mount Turbo Manifold - Nissan SR20DET S13/S14.
The Version 2 manifold is an upgrade over most other bottom mount manifolds. Utilizing thicker SUS304 than almost every other bottom mount manifold out there.
With all the OEM replacement manifolds on the market, choosing one that is going to last can be a big issue. With this manifold you can upgrade to more horsepower and still keep piece of mind. And, with the ISIS high quality standard in mind, you know you'll be getting an excellent product.
Note: on some T25 or T28 stock turbos, you may need to clock the turbo slightly to clear the larger runners on this manifold.