2010 STi SE; 383whp, 379wtq @21psi; IAG Built
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This is a discussion on 2010 STi SE; 383whp, 379wtq @21psi; IAG Built within the Builds forums, part of the Tech & Modifying & General Repairs category; Hey everyone, I just got my baby back from IAG Performance in Westiminster, MD Friday night. So far so good, ...

  1. #1
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    2010 STi SE; 383whp, 379wtq @21psi; IAG Built

    Hey everyone, I just got my baby back from IAG Performance in Westiminster, MD Friday night. So far so good, she runs like a dream. IAG did an amazing job. After a few weeks of planning on blueprinting, they didn't start building it until Monday morning (12/15) and it was tuned and ready to be picked up on Friday (12/19) by noon. I was seriously impressed with how fast it was done. Rick and JJ (the owner) even stayed till around 11pm one night to make sure it would be done for me. If you want some history on the car, here is a previous thread about the build plan and the original problem.

    It started with a misfire in Cylinder #2...now I think it's dying.

    I ended up pretty different than my proposed build plan, but I am very happy with it. It made 383whp and 379wtq @21psi on IAG's Dyno. On the way home I raced my best friend's EVO VIII, which made 430whp on R/T Tuning's Mustang dyno, and we were dead even. We did a 40 roll, and I pulled away at first since I have a much quicker spool time than his GT35R, but he caught up to me, but then we were just neck and neck, neither of us pulling away from each other, so I wonder how much power it would make on their dyno.

    It's a Dark Grey Metallic 2010 STi Special Edition with ~24,500 miles. The current wheels and tires are TR Racing and Blizzaks for the winter. Let me know your thoughts and questions! Here's some eye candy. Pictures shot and edited by me. *Oh and ignore the gold on the belt cover, it's actually the sun reflecting. That isn't actually the color. It's just wrinkle red.

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    Here's the list of parts and mods.

    ENGINE MANAGEMENT
    • IAG Dyno Tune on 93 Octane
    • Cobb Accessport V2
    • AEM Wideband AFR Gauge
    • AEM Boost Gauge
    • Grimmspeed EBCS
    • Launch Control @ 5500rpm


    ENGINE BLOCK
    • Manley Platinum Series Pistons (99.75)
    • Manley Steel H Beam Rods
    • FHI Heat Treated Crankshaft
    • ACL Rod Bearings
    • ACL Race Main Bearings
    • ARP Head Studs
    • Bore & Hone Block
    • Air Pump Delete
    • New OEM Timing Belt Rollers
    • Gates Racing Timing Belt Kit


    HEADS
    • Hot Tank Heads
    • Multi Angle Valve Job
    • Decked Heads
    • New OEM Cam Gears


    INDUCTION
    • IAG Big MAF Intake
    • Perrin Turbo Inlet
    • Blouch Dominator 1.5 XTR 10^2 Hotside
    • Turbo XS FMIC (hot pipe gold heat wrapped)
    • Turbosmart 40mm EWG
    • IAG EWG Dump Tube
    • Grimmspeed 38mm UpPipe


    EXHAUST
    • Invidia Catless Downpipe w/ Divorced Wastegate & Extra O2 Bung
    • Invidia Q300 Quad Tip Exhaust w/ Burnt Titanium Tips


    OIL SYSTEM
    • New OEM Oil Pump
    • New OEM Oil Cooler
    • New OEM Oil Pan
    • IAG Air Oil Separator
    • Killer B Motorsport Ultimate Oil Pickup


    FUELING
    • Injector Dynamics 1000cc Injectors
    • Walbro 255 Fuel Pump
    • '05 Fuel Pressure Regulator
    • 93 Octane Fuel (Sunoco Only)


    DRIVETRAIN
    • ACT Heavy Duty Performance Street Clutch
    • Resurface OEM Flywheel


    ENGINE DRESS UP
    • Perrin Radiator Shroud
    • Perrin Belt Cover
    • JDM STi Oil Fill Cap


    EXTERIOR
    • 25% Window Tint and Taillight Vinyl by Shades of Gray Window Tinting
    • Painted & Pintstriped Chrome Sport Grille
    • 6K HID bulbs from Xenon Supply
    • Blacked out headlight housings w/ yellow stained hibeam reflector
    • 2 Red Hella Supertone Horns
    • Subaru Emblem Valve Stem Caps

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  3. #2
    zax
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    I Support ClubWRX I Support ClubWRX
    It's a solid build. I would have probably stayed with a TMIC, but glad you like it.

    Definitely need some braking/turning mods now.
    2015 CWP WRX STi ... But how did I get roped back into an EJ motor?!
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  4. #3
    The Guy On The Couch TownLine500's Avatar
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    That's a nice ride!
    Now it's Swaybar and bushings time.
    And I would upgrade the breaks to.
    Just my opinions, I like what I see so far.
    Keep us posted on your progress.
    STINK EYE MOB #500

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    Yeah, suspension mods will come. For now though, my next additions will be more gauges (oil pressure, oil temp) and I want to get all the IAG caps for the engine bay so it looks nice Oh, and I want to upgrade to the Cobb AP V3. And possibly new bushings and short shifter. My shifter is pretty rough and its a pain in the ass. Come to think of it, motor mounts seem like a good choice as well.

    After that I will do suspension. I don't really track it often so it wasn't so much of a concern for me. The stock brakes and suspension are pretty solid for what I've used it for so far.

  6. #5
    zax
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    I Support ClubWRX I Support ClubWRX
    You should strive to keep the car balanced. 305bhp is a bit much for the stock suspension and brakes. 383whp... Well you get the idea
    2015 CWP WRX STi ... But how did I get roped back into an EJ motor?!
    Zax's utterly unimaginably stock 2015 STi build thread
    Zax's Shaggin' Wagon Build Thread Now tuned for 99% pure Unicorn Jizz!

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  7. #6
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    Looking good. IAG is def awesome. I go there myself. Great group of guys to deal with. Ill be visiting there in april/may for my suspension setup and rolling the rear fenders.
    2011 WRB WRX hatchback---Stage 2
    Stink-Eye Mob #301
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