This exhaust manifold, v-banded 3″ turbo elbow, 3″ v-banded downpipe and dump pipe fits the S13/14/14a/15 with the SR20DET engine.

The manifold is made from 3mm thick 304 stainless with a T3 flange and a flange and dump pipe for an external wastegate, all runners are equal length and it has been designed to have a Holset HX35 with the 4-bolt short nose back housing dropped on top.

The HX35 can be purchased as a twin scroll version with a nice quick spooling A/R which works well if you are still using factory management or a piggy back ECU or you can go to the other end of the spectrum and make the SR20 produce over 600 BHP if you have a built engine with standalone management.

With factory management and stock boost level it is unlikely you are going to see any real power gains however it will look awesome under the bonnet and sound incredible, then when you are ready all you need to do is turn the boost up.

Estimated power gains from 10 – 400 BHP depending on other supporting mods.

Comes with the gaskets and v-band clamp. The turbo shown is not included.

The whole manifold has been TIG welded so the chances of this ever failing are virtually zero.

In addition to this kit you are going to need

Hoslet HX35 Turbo with 4-bolt short nose back housing
38mm Wastegate
Adapter to get the MAF in front of the turbo if using OEM management
Adapter pipe from turbo to intercooler
Turbo fittings for oil and water