Engine radiator Koyo or KOYORAD

I changed out the intake (noise maker but I love it) then everything that connects so the turbo inlet and bpv, charge pipe and a bigger tmic. A engine that can breath will be healthy.

This specific spot fails on almost every subaru radiator i have worked on.

If you are lucky KoyoRad still has their sale going, I just got an aluminum radiator from my 97 legacy for $180

The radiator you could go OEM or NVA, but Koyorad is proven solid also.

Radiators aren\u2019t supposed to leak. I have the same Koyo radiator in my NA Z, just put it in this past summer. I def do not have that leak.

For your turbo Baja, [Koyorad](https://ebay.us/m/yadARd) is the creme de la creme.

Personally I’d be buying a koyo in full aluminum.

I went with a Koyorad radiator from rock auto and then I also replaced the inlet and outlet hoses with OE. A new OE radiator cap, too. Subarus are fairly sensitive to cooling system parts, so for any mechanical bits (cap, water pump, thermostat, etc) I highly recommend spending on OE.

Just dealt with the same thing with my AP1. The plastic to metal seam fails eventually and causes the leak. I got the Koyorad OE replacement and it was around $100 and took an hour to install.

I got the thicker Koyorad and managed to get it to fit with some redneck engineering, but it was a squeeze.

The problem I'm running in to is that the upper hose connection is positioned differently on the Koyo N-Flow/dual pass(RH020539N) and it's really close to the Q45 throttle body and attached TPS. I've already cut off the unused socket on the TPS which gives me more room but still not a ton to work with.