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FI exhaust size..

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    #1

    FI exhaust size..

    what is everyone runnin on there boosted bp's?? i know most are runnin 3" on there gtx's what about the boosted lx's? 2.5- or 3"?
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    #2
    A 2.5" exhaust will be good enough for ~250-300hp. Unless you plan to max out the turbo, the larger 3" exhaust will not make that much of a difference...

    -Thread moved to Forced Induction!
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    '91 LX
    '03 Mazdaspeed Protege #235
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    Originally posted by pigeon
    well if you're a fan of inaccuracy and uncertainty.... then by all means, go set your timing by feel and sound

    while you're out there, you might as well adjust your air/fuel ratio by smell... and your tire pressure by ride height

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      #3
      BTW i will be runnin the VJ-20 turbo...

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