is money an issue?
if yes:
steeper gear
CAI + tune
Dual exhaust = bout 30-40 plus the gears give a lot faster pick up
cost with more expensive parts: $1600-2100
if no:
Cams
Heads
Intake manifold
long tube headers
alum drive shaft
Under drive pullies
steeper gear
CAI + tune
Dual exhaust = bout 155-170 plus benifit of gears and sounds like a beast
Cost with good parts: $5000-7000 depending on install.
Forced induction
Supercharger/turbocharger
Inter cooler
Alum drive shaft
Pullies
Forged internals = bout 120-220 depending on psi
Cost with good parts: $7000-10,000
__________________ 2006 V6 Mustang
Ext. Vis: Mineral Grey w/ Yellow Stripes, Tinted windows, Shorty Antenna, Brake light chrome outline, Custom installed Fog Lights (work in progress).
Int. Custom Vis: Yellow/Black Carbon fiber kit, 7 color LED ambient lights, Shaker 500 with PIE module connected to a Belkin Ipod Charger cradle.
Pref Mods: Bamachips 91 race+torque tune, C&L CAI, Custom dual exhaust w/ MAC stainless steel axle back mufflers, Front and rear GT sway bar, Shelby strut tower brace. | 
Power Question! 
