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Stage 2
GDB

GDB STI Stage 2 Big Turbo Build

Blouch turbo upgrade with FMIC and full supporting mods for 400+ whp.

Subaru WRX STI380–430 hp target~24h total install9 parts
Build Steps

Parts List & Install Order

Required Parts · 6
  1. 1
    Advanced8h install+40–90 hp4.7

    Turbo

    $1,799.00

    from 2 suppliers

    Buy
  2. 2

    $1,299.00

    from 2 suppliers

    Buy
  3. 3
    Intermediate2h install04.8

    Injectors

    $699.00

    from 2 suppliers

    Buy
  4. 4
    Moderate1.5h install04.5

    Fuel pump

    $73.66

    from 9 suppliers

    Buy
  5. 5
    Easy0.5h install+10–30 hp4.8

    Tune

    $721.07

    from 2 suppliers

    Buy
  6. 6
    Advanced6h install04.4

    Clutch

    $595.06

    from 2 suppliers

    Buy
Optional Upgrades · 3
  1. 96
    4.9

    Set of 4 lightweight forged wheels

    $1,380.00

    from 2 suppliers

    Buy
  2. 98
    4.6

    Keeps intake clean on turbo builds

    $112.75

    from 34 suppliers

    Buy
  3. 99
    4.8

    Essential for tuning; mount in A-pillar pod

    $199.99

    from 2 suppliers

    Buy
Cost Summary
Required parts (6)$5,186.79
Optional upgrades (3)+$1,692.74
Total (best prices)$6,879.53
Prices from lowest available supplier. Does not include shipping or labor.

Next: plan the move

The details matter on the trailer, too.

Changes to ride height, wheels, bodywork or controls affect more than the build. Carry those details into the conversation about loading and transport.