GDS 60mm upgrade vs hx35
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If your h1c is in good shape(no excessive shaft play), the 60mm is a good, cheap(ish) upgrade. The 14 or 16cm exhaust hosing will let you spool up way quicker than your current big a$$ housing does. I went from 18cm to a 14cm housing and it's unbelievable the difference. As far as a singing turbo, The larger compressor wheel will increase the "whistle" but will greatly depend your exhaust, to let the sound come through.
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