turbo upgrade bnr s2 s3 corksport cst4

  1. originalmarshmello
    Thread

    BNR S4 Turbo Shaft Play - Acceptable or not?

    Hey all. I recently picked up this bnr s4 unit online from a guy. Upon arrival, I noticed that there were scratches in the intake side around the...
    Thread by: originalmarshmello, Nov 28, 2022, 3 replies, in forum: Mazdaspeed 3/6 Engine
  2. mr.crumpet
    Thread

    Doubt in turbocharger decision (bnr s2 vs s3 vs cst4)

    Hi everyone, First of all i want to say that i have stock engine with some mods: - 2.25" inlet pipe - K&N high flow air filter - Testpipe - BOV...
    Thread by: mr.crumpet, Apr 2, 2020, 11 replies, in forum: Mazdaspeed 3/6 Engine
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