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I bought a Perrin Boost Controller prior to reading this post (one of the tech's at my Subaru dealership has one on his Legacy and had one on his past WRX and STi's) and was wondering what I should do.
The guy said he would install it for me and that as long as it's not set very high, it should increase the reponse time of my turbo (i have an auto so there's quite a bit of lag.) I'm not going to have it set aggressively and I understand that if the ECU does not expect to have the turbo running at lower rpm, there could be an issue but I'm wondering what the real long term effects would be.
I'm speaking not as a hardcore racer, but more of a casual one that wants to get rid of my lag as cheaply as possible yet still have this car last me a good 10-15 years.
I understand it's not the best mod in the world, but if installed by a guy at my dealership would it really be a large, warrantee-killing risk? The reason I say it that way is because it's already in the mail - if it's really a big problem, I can try to cancel it/send it back but just making sure.
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