18 votes
modded and tuned to run safely 390 on pump gas with a vf52. 130k miles
The main party piece of the TCR/Clubsport/R engine is the IHI IS38 turbocharger. It is optimised to keep building power higher up in the rev range, where the regular GTI's IS20 runs out of puff.
I got a new car a month ago that came with a IHI IS38. I got my tune from sneaky tuned and after about 2-3 pulls at 30psi the turbo popped. Spit the rear turbine out into the exhaust.
My car has been pretty reliable with an IS38 if you take away the issues caused by me or shitty parts (spark plug break after running past interval / Shuenk's POS), or the HPA HPFP that shit the bed after going with ethanol.
I would suggest a ball bearing turbo like the vf52 and a protune. It makes it much more reliable and wakes the car up since it has the same engine and came as the sti, but a tiny sleeve bearing turbo that spools before the cam. I'm really happy with my vf52.
it was ~40kmi, no crack, no shaft play or other problems etc.
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The brand is registered in Japan. Official website: https://www.ihi.co.jp.
In March 2026, PartReview does not yet have a formed opinion of IHI turbocharger. This part is not in the ranking due to insufficient reviews. You can help by adding a review for IHI turbocharger.
Currently there are 6 reviews and 18 votes. Average rating — 3.9 out of 5. Vote balance: 15 up, 3 down.
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