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Project JDM
Stage 2
S15

S15 Stage 2 Track Build

Full turbo swap with standalone ECU and race-ready suspension for the final S-chassis.

Nissan Silvia370–420 hp target~46h total install12 parts
Build Steps

Parts List & Install Order

Required Parts · 8
  1. 1
    Garrett Garrett GTX2867R Turbo Kit (SR20)
    Expert12h install+80–130 hp4.8

    Turbo

    $2,899.00

    from 4 suppliers

    Buy
  2. 2
    Tomei Tomei Poncam Type-A (SR20DET)
    Advanced6h install+15–25 hp4.6

    Cams

    $429.00

    from 2 suppliers

    Buy
  3. 3
    DeatschWerks DeatschWerks 740cc Injectors (SR20)
    Intermediate2h install04.8

    Injectors

    $349.00

    from 2 suppliers

    Buy
  4. 4
    Haltech Haltech Elite 1500 ECU (SR20)
    Advanced6h install04.8

    ECU

    $2,487.00

    from 2 suppliers

    Buy
  5. 5
    ACT ACT Heavy Duty Street/Strip Clutch (SR20)
    Advanced6h install04.4

    Clutch

    $539.73

    from 2 suppliers

    Buy
  6. 6
    GReddy GReddy V-Mount Intercooler (S-chassis)
    Advanced8h install04.6

    Intercooler

    $899.00

    from 2 suppliers

    Buy
  7. 7
    BC Racing BC Racing BR Series Coilovers (S15)
    Intermediate4h install04.6

    Coilovers

    $1,095.00

    from 2 suppliers

    Buy
  8. 8
    Koyo Koyo Aluminum Racing Radiator (S-chassis)
    Moderate2h install04.7

    Radiator

    $299.00

    from 2 suppliers

    Buy
Optional Upgrades · 4
  1. 95
    NRG Innovations Gen 2.0 Quick Release Hub Kit
    4.5

    Quick release hub for track safety

    $109.99

    from 2 suppliers

    Buy
  2. 96
    Enkei RPF1 17x9 +35 Wheel
    ×4
    4.9

    Set of 4 lightweight forged wheels

    $1,380.00

    from 2 suppliers

    Buy
  3. 98
    Mishimoto Compact Baffled Oil Catch Can
    4.6

    Keeps intake clean on turbo builds

    $112.75

    from 34 suppliers

    Buy
  4. 99
    AEM X-Series Wideband UEGO AFR Gauge
    4.8

    Essential for tuning; mount in A-pillar pod

    $199.99

    from 2 suppliers

    Buy
Cost Summary
Required parts (8)$8,996.73
Optional upgrades (4)+$1,802.73
Total (best prices)$10,799.46
Prices from lowest available supplier. Does not include shipping or labor.
Research Sources
Community Attribution
S15_Spec_R
Zilvia.net

S15 Spec-R track day build with detailed suspension setup notes

View original build thread

Community builds are sourced from public forums and social media. Parts lists may have been adapted for clarity. Always verify compatibility before purchasing.