What are your goals for the car? I have right at 500hp and run 11's on a ported factory eaton. Plenty for playing around.
With a whipple you will need transmission mods, fuel mods, maf mods, etc. Expect to spend another $1500 -$2000 on supporting mods for a whipple plus a tune.
"I'm not driving too fast...just flying too low"
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
90 7up vert - new project-07 DSG Focus -DD