Here is the specs on the build of my twin turbo.
Nyles at http://www.sschassis.com/ in Schiller Park, IL
did all the custom work on the turbos install. Along with by brother
Pete at Pete's auto Clinic in Chicago they did all the heavy work and installations.

2005 Mustang GT
TWIN TURBO BUILD SHEET

MOTOR 2005 Ford 4.6Aluminum Block
Livernois STAGE 3 heads 5 axis CNC machined, valves,
Intake flow rate 300 CFM - Exhaust flow rate 215 CFM
1mm oversize (35mm) intake - 1mm oversize (38.5mm) exhaust valves,
Livernois VCT Lockouts
Crower Cams stage 2
Felpro Head gaskets
Ford V10 Flex plate
04 Cobra Crank
Manley Pro Series Rods w/ L19 bolts - 9.0 to 1
APR/SP2000 Head Studs
APR Main Studs
Steeda CMDP Deletes
Main Bearings
Rod Bearings
New Lifters, Oil pump, rear main seal,
New Ford Timing Chain, tentioners and guides
Autolite HT0 spark plugs

CUSTOM TURBO SET UP
Headers-Stainless steel stepped 1-5/8” to 1-3/4”
Down pipe Custom Stainless steel 2-1’2”
Inter-cooler Set up 3” & 4” tubing
TURBOS - TWO (2) GTR3582R Garrett
2- 38 mm Tial Waste gates
1- Tail Blow off valve
V-Clamps Stainless steel
Hose Clamps Stainless Steel
Silicon Hoses High Temp
Air to Air Inter-cooler custom made **flow rated @ 1400 cfm

FUEL
Duel Ford GT w/ -6to-8 fuel lines all upgraded lines, hoses and fittings
Metco Fuel rail
80# Ford Injectors

SPEED SERVICE
Bore block 20 over with torque plate
Install main studs and line hone with torque plates
Surface block deck
Cut 10/10 & polish cobra crank


SUSPENSION front
BMR Tubular K-Member
BMR Upper control arms
Steeda Radiator Support

SUSPENSION rear
Metco Drive shaft safety loop
Heavy Duty Upper Control Arm Bracket
Upper adjustable Control Arm
Control arm relocation brackets
Adjustable Lower Control arms
Differential Bushing
Adjustable pan hard bar


TRANSMISSION
Ford 5R55S
TCFord 5R55S Super StreetFighter™
(1200hp)I Super StreetFighter™/StreetFighter Transmissions
Super StreetFighter™ Torque Converter (3500 RPM Stall Speed)
Custom Fab oil pan and oil pick up
Windage tray

EXTERIOR
Steeda Side Window louvers
CDC Hood Scoop with built in turn signals
CDC Chin spoiler
Sequential tail lights
Rear gas cap and lock removed, leaded and smoothed
Black Chrome mess grill upper and lower
Hood Struts
Clear front signals

 

MODS >> Please delete this post it's a double. Sorry and thanks

 

Nice build. Are those twin 61's? If so I'd say you might need another fuel pump, maybe go return style. And be careful with that 5R55S.

 

Strong build. Please tell me your goal is for a track king and not a dyno queen.