I agree, replace the cooler and piping while its convenient.
I believe intercooler and piping are a considerable cost - though not sure how much.
oil. oil filter, coolant, injector cleaning, intake piping from BPT air flow meter to turbo, and I would replace most sensors while you can and its convenient - EGO, thermo, oil etc
Take a look at your engine mounts too because theyre a bitch to replace once the engine is in. replace if badly worn or cracked at all
does the stock ecu plug into your dash plugs or will that need some wiring ?
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