One is more aggressive then the other. I would stay with Stage 1 unless you plan on getting some internal componts like valve springs and retainers. Stage 1 should be fine for you unless you and going to be doing some serious racing.
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1989 s13 Fastback
Tein HE coil-overs
sr20det swapped!
JIC Magic Front and Rear Strut Bars
Slotted and Cross-drilled Rotors
S/S Brake Lines
Pivot Lazy eye controller
Blitz LM Intake
Blitz D1 Spec Turbo Timer
Soon to come:
Sard 550cc Injectors
Blitz Nur Spec Exhaust
Blitz Down pipe
HKS FMIC
http://www.driftmonkey.com (Part Owner)
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