Bolt ons on a 98Cobra (depending on what you define as bolt on) will be around 290ish...depending on the company you use for the 150 it will be anywhere from 400-430 on the juice.
What are your bolt ons? What kit are you looking at?
Matthew 26:52-54 / Go Pack Go!
1987 Mustang GT Hatchback - 2V Mod Swap In The Works
1997 Lincoln Town Car, PI Intake/Cams, Sofa-On-Wheels, "Fat Tony" we call it
2001 GT Convertible - D1SC / Geared / Cammed / 440wh 400wt - TOTALED 2/2019