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300zx TT For Sale

Performance Stage
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This car is at a stage 7

This is the standard benchmark Twinturbo Z stage chart
  - Found at twinturbo.net

Stages: Modifications Required: Approximate M-T HP at Flywheel & Boost Pressure
Stock None 300hp 9.5 psi
Stage I Performance cat-back exhaust system 320hp 10 psi
Stage II High flow intake 340hp 10.5 psi
Stage III ECU EPROM upgrade & boost jets  396hp 13.5 psi
Stage IV Larger intercoolers 405hp 13.5 psi
Stage V EVC 418hp 14.5 psi
Stage VI 555cc injectors & 550 type turbo upgrade 445-500hp 16.5 psi
Stage VII Dual high flow intake 520hp 16.5 psi
Stage VIII 600 type turbo upgrade 620hp variable psi
Stage IX NOS 680-760hp variable psi