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Stage 1
GRB

GRB STI Stage 1 Street Build

Bolt-on mods with Accessport tune. The hatchback STI at its best.

Subaru WRX STI330–360 hp target~11h total install7 parts
Build Steps

Parts List & Install Order

Required Parts · 4
  1. 1
    Easy0.5h install+10–30 hp4.8

    Tune

    $721.07

    from 2 suppliers

    Buy
  2. 2
    Easy1h install+5–10 hp4.5

    Intake

    $265.44

    from 2 suppliers

    Buy
  3. 3
    Intermediate3h install+20–35 hp4.5

    Downpipe

    $399.00

    from 2 suppliers

    Buy
  4. 4
    Moderate2h install+8–12 hp4.6

    Catback

    $1,099.00

    from 2 suppliers

    Buy
Optional Upgrades · 3
  1. 5
    Intermediate4h install04.6

    Coilovers

    $1,095.00

    from 2 suppliers

    Buy
  2. 97
    4.7

    Monitor boost pressure

    $155.63

    from 9 suppliers

    Buy
  3. 98
    4.6

    Keeps intake clean on turbo builds

    $112.75

    from 34 suppliers

    Buy
Cost Summary
Required parts (4)$2,484.51
Optional upgrades (3)+$1,363.38
Total (best prices)$3,847.89
Prices from lowest available supplier. Does not include shipping or labor.