Kieth at PURE TUNING worked his magic on my STi. The Moore Performance Parts twinscroll setup is incredible and impressed us all with the power and response it allows. I want to give a huge shoutout to everyone who's been involved with this build, you know who you are. Final numbers on 93 octane are 429whp and 377 ft lbs at 24psi. The area under the curve is incredible, the way the power comes on and stays on impressed us all.

Engine/Power related mods:

Drivetrain
- Spec stage 3+ clutch
- Exedy 13lb flywheel
- Goodridge stainless braided clutch line
- Cusco engine and transmission mounts
- Torque Solutions V3 pitchstop
- TiC Super Shifter Set:
- TiC STI shift linkage bushings
- Kartboy Front+Rear Shifter Stay Bushing
- Kartboy Shifter Lever
- 6MT pivot bushings
- Motul RBF600 in the clutch system
- Motul Gear 300 in the trans
- Motul 90PA in the rear diff

Engine Block
- new OEM heat-treated crank
- Wiseco 99.75mm 8.9:1 hard anodized pistons
- Carrillo Pro-H beam rods
- Rotating assembly balanced to 9000 RPM
- King XPG rod bearings
- King XPG main bearings
- ARP Custom Age 625+ head studs
- new OEM 11mm oil pump
- new OEM oil cooler
- new OEM oil pan and magnetic drain plug
- Killer B Motorsport oil pickup
- Windage tray

Cylinder heads
- Milled
- Full-contour valve job
- Backcut valves
- All valve guides replaced
- Spring installed height adjusted and set
- Performance spring locator and shim set
- Manley titanium valve spring retainer set
- Manley valve spring set
- Manley Inconel exhaust valves
- Manley stainless intake valves
- Bowls blended
- Cam journals polished
- Stock cams
- New OEM lifter buckets, sized (valves had to be tipped a bit as well to get proper clearances)

Engine cooling
- Koyorad aluminum radiator
- Silicone radiator hoses
- Killer B Motorsport Upper Coolant Reservoir

Engine miscellaneous
- NGK LFR7AIX gapped to .022"
- Gates timing kit with racing belt
- Gates racing accessory belts
- New OEM water pump (cast impeller version)
- New OEM thermostat
- New OEM front Air/Fuel ratio sensor
- Fluidampr crankshaft pulley
- Fel-Pro MLS head gaskets with LaserWeld Stopper Layer
- Running Motul 300V 15w-50 Competition oil

Fueling
- Russell -6AN fittings and hose from the firewall, parallel configuration
- IAG Performance fuel rails
- Fuelab 6 micron -6AN filter
- Aeromotive Fuel pressure regulator
- Injector Dynamics 1300cc top feed injectors
- Walbro 465 LPH ethanol-compatible in-tank pump
- Zeitronics ECA-2 Ethanol content analyzer with red gauge
- 93 octane for now, E85 as soon as Cobb drops flex fuel support

Power/support modifications
- Borg Warner S200SX-E 7670 rotated twinscroll turbo with 1.22 a/r hotside
- Cerakoted hotside, powdercoated compressor cover
- Turbo Blanket
- Tial MVR 44mm EWG
- Grimmspeed EBCS with 1/4" fittings installed
- Moore Performance TGV deletes
- Moore Performance ported intake manifold
- Grimmspeed 3mm phenolic spacers
- Omni Power 3 bar MAP sensor
- Moore Performance rotated intake, -10AN port for AOS lines
- Moore Performance v2 Twinscroll header and uppipe, cerakoted
- Moore Performance rotated downpipe
- Borla XR-1 3” cat back exhaust, v band connection to downpipe
- P&L FMIC core and cold side pipes with AEM IAT sensor added for SD, Moore Performance rotated hotside pipes
- Tial Q blow off valve
- IAG Performance AOS - Street version with pitchstop mounting bracket
- IAG Performance AVCS/Turbo oil feed line modified for use with S200SX-E
- Speed Density tuned at PURE TUNING via Cobb Accessport V3, 19psi and 24psi maps
- AEM UEGO WBo2

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