Comprehensive WRX Modification List
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This is a discussion on Comprehensive WRX Modification List within the Builds forums, part of the Tech & Modifying & General Repairs category; If your WRX is anything other than bone stock, but you don't feel like taking up space in you signature ...

  1. #1
    Registered User PlatinumWRX's Avatar
    Join Date
    Jul 2001

    Comprehensive WRX Modification List

    If your WRX is anything other than bone stock, but you don't feel like taking up space in you signature for your mods list, put them here or in your profile. This stuck thread will serve as a reference for all members to see what mods each WRX owner has on their car. Start with a description of your WRX as you bought it. Feel free to include installation or review links and/or 1/4 mile times with your mods list. I'll get us started.

    My mods.

    Last edited by PlatinumWRX; 08-09-2002 at 08:36 AM.

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  3. #2
    Moderating YOU
    before you had your Subaru!
    Verdugo's Avatar
    Join Date
    Jan 2002
    Sea-Town, WA
    I Support ClubWRX

    Thumbs up Yes I was bored at work...

    2002 World Rally Blue Pearl Impreza WRX
    4-speed Automatic (not by choice)
    Carbon fiber-patterned interior trim
    Rear spoiler
    Armrest extension
    Security upgrade
    Premium sound package

    Power Mods:

    Blitz SUS Power Intake
    Godspeed Uppipe
    HKS Downpipe
    Blitz Nur Spec R Catback Exhaust
    Custom-Tuned TurboXS Unichip
    Samco Intercooler Hoses
    Blitz SBC-ID
    Dyno sheet from 2-17-03

    Suspension Mods:

    H&R Coilovers
    Cusco Front and Rear Sway Bars
    Perrin Endlinks
    Volk LE-37Ts, 18", wrapped in Toyo T1-S Proxes
    Carbotech Bobcat brake pads, front and rear

    Exterior Dress-Up:

    Brightstar HIDs for various Impreza headlights
    JDM STi headlights with Phillips 6000K HIDs
    STi Carbon Fiber Spoiler (genuine) stickers
    Blue "i" Grill Badge (genuine)
    Painted OEM Sideskirts
    Replica STi Mesh Foglight Covers
    Foglight Mod
    STi Hoodscoop (genuine)
    STi Genuine Grill (genuine)
    Debadged "Subaru"

    Interior/Engine Dress-Up/Safety:

    Blitz Dual Turbo Timer
    Grounding mod
    GT Spec Radiator Shroud
    Blitz BLM EGT and Oil Temp Gauges
    Attention to Detail Leather Seats
    Blitz Super Sound DD BOV
    Alpine CDA-7878 headunit
    Xtant 2200ix 400w amp
    Diamond Audio MD10 "Mack Daddy" 10" subwoofer


    UTEC or AccessECU reflash
    High-Stall Torque Converter and Tranny Cooler
    VF29 turbo
    Larger injectors and fuel pump

    Props and Thanks:

    Alex, John, and Jack @ Garage SPL
    Garret @ World One Performance
    Mike and John @ Smart Service Subaru
    Dan @ Godspeed
    Last edited by Verdugo; 05-26-2003 at 10:39 PM.
    Armin - ClubWRX Admin/Moderator since 2002
    Vice President and Editorial Manager,
    Photography Portfolios: |
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    02 WRX "EVA-00" | 15 Audi S3 "Ella" | 2010 A4 (traded in) | 02 M3 "M-Thrizzle" (traded in) | 08 STI "Blaze" (sold)
    djrez4 is a genius | ScoobyDMC #010

  4. #3
    Registered User pace's Avatar
    Join Date
    Sep 2001
    Brook Forest, Colorado

    My Toys

    2002 Platinum Silver Metallic Impreza WRX Wagon.
    5 speed MT. Arm Rest Extension. Security Upgrade. Premium Sound Package. Roof Rails & Cross Bar Kit. Auto-Dimming Mirror & Compass. Bra.

    - Mitsubishi 20G Turbocharger.
    - GReddy Front Mount Intercooler.
    - STi 550cc Injectors.
    - Walbro 255lph Fuel Pump.
    - TurboXS UTec Engine Management System.
    - TechEdge TE-WB v1.5 Wideband Air-Fuel Meter.
    - Perrin Short Ram Intake.
    - PDE Uppipe.
    - TurboXS Downpipe.
    - TurboXS Race-pipe.
    - TurboXS Rear-pipe.
    - Prodrive WRSport Muffler.
    - Forge Bypass Valve
    - Samco Intercooler Hoses.
    - GReddy Electronic EGT Gauge.
    - GReddy Electronic Boost Gauge.
    - GReddy Electronic Oil Pressure Gauge.
    - Factory Gauge Pod w/ Custom Mask.
    - Kartboy Short-Shifter.
    - Kartboy Shifter Bushings.
    - STi Shift Knob.
    - SPT Springs.
    - SPT Struts.
    - 20mm Rear Swaybar.
    - Morette Headlamps.
    - K&N Panel Filter.
    - Pony Express MIL Eliminator.
    - Bel 950.
    - Airbox Resonator Mod.
    - Battery Grounding Mod.
    - IC Guard Mod.
    - Yokohama AVS ES100 215/45R17 (summer) on Rota SDRs.
    - Blizzak WS-50 205/55R16 (winter) on OEM rims.
    - Axxis Ultimate Brake Pads.
    - NGK BKR7E plugs.
    - Mobil-1 synthetics.
    - De-badge.

    Colorado's first WRX to break into the 12s with a 12.886@109mph (Bandimere Speedway, Summer 2002).

    Personal high-altitude best of 12.670@110.6mph (Rocky Mountain IDRC Team Challenge, Bandimere Speedway, Fall 2002).

    Last edited by pace; 08-03-2003 at 06:45 PM.

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  6. #4
    Moderating U! KurleeDaddeeWRX's Avatar
    Join Date
    Mar 2002
    San Jose, CA
    I Support ClubWRX
    2004 Black Dodge SRT-4 5-speed with factory sunroof

    Maxx Fab 3" Single Tip full exhaust(downpipe, midpipe, Magnaflow muffler) with high flow cat
    Mopart Stage 2 WGA @ 15psi
    Lorenzo Fuel Systems 60mm Throttle Body and Adapter
    Mopar (KW) Stage 3 coilovers
    Hotchkis Swaybars Front 29mm
    Hotchkis Swaybar Rear 24mm
    Hotchkis polyurethane bushings and endlink set
    DC Front and Rear strut tower bars
    K&N Drop-In Filter
    AmsOil ATF+4 transmission fluid

    Dyno Bone Stock 228fwhp/242ft.lbs. Now I have mods, let's see what it will do.

    Last edited by KurleeDaddeeWRX; 12-19-2005 at 06:13 PM.

  7. #5
    Registered User
    Join Date
    Aug 2001
    Purchased my WRX silver, 5-speed sedan on 3/14/01 from Van Bortel Subaru (, which was a great buying experience. The only option was the upgraded security system.

    Modifications in order of installation:
    **K&N filter from AutoZone;
    **OEM column-mounted boost gauge from;
    **Stongard clear bra;
    **Swapped stock wheels for 2001MY RS wheels (winter);
    **Dunlop Sport 5000 tires from (winter);
    **TurboXS Unichip Stage 1 version 2;
    **Stromung 3d cat replacement straight pipe from Teague's Auto;
    **OEM four-pot front brakes from;
    **Samco intercooler hoses;
    **OEM rear diff. protector;
    **Graham Goode Racing up pipe (fitment problems) installed by MSPT (;
    **OEM auto-dim mirror;
    **Replaced front speakers with Infiniti speakers;
    **grounding mod with stereo speaker wires;
    **Samco air intake hose from Teague Auto;
    **Cusco front and rear sway bars from MSPT.
    **Air resonator removed
    **17" Rota Attack wheels w/ Kumho 712s (215/45/17) (summer)
    **TB Racing's lightened pulley
    **air splitter (stock scoop)
    **Velocity Stack
    Last edited by bedabi; 01-04-2003 at 06:20 AM.

  8. #6
    God is offline
    Registered User God's Avatar
    Join Date
    Aug 2001
    Detroit, MI
    Okay here you go:


    Blitz SUS intake
    Blitz SBC-id
    Blitz LM Intercooler
    Blitz BOV
    Blitz 8 heat range Platinum Plugs
    Power Enterprise PE1818F turbocharger
    Power Enterprise fuel pump
    Sti injectors
    Godspeed Uppipe
    Godspeed Downpipe
    Kakimoto GT1 OZ titanium exhaust
    Turbo XS Unichip (custom tuned)


    Tein RA's
    Cusco rear sway bar (set to max stiffness)
    18X7.5 +48mm Volk Racing LE-37T's Gunmetal
    Volk Racing Duralluminum lugs
    225/40R18 Toyo T1S's
    Motul RBF600 brake fluid
    STi Brembo calipers/rotor/pads (in Japan awaiting shipment)


    Defi gauge pod
    Defi boost, EGT, oil temp gauges (black face)
    Jun Eyelids

    Dyno: 311.5 hp, 272.1 ft lbs at all 4 wheels
    Last edited by God; 05-19-2002 at 06:48 AM.
    Daniel Ponze, Lead Tuner Tuning Factory, Inc.
    PH: (248) 477-0700___FX: (248) 477-0701

  9. #7
    Registered User MadDog's Avatar
    Join Date
    May 2002
    Land of many cows
    Silver WRX 5-speed Sedan, stock as stock gets when I picked it up.

    Whiteline front and rear strut tower bars
    MRT/Whiteline Anti-lift kit
    STI Group N tranny mount
    STI Group N engine mounts
    Kartboy short throw shifter and bushings
    Lachute Subaru skidplate
    Subaru rear diff. protector
    Goodridge SS braided brake lines
    ATE Superblue brake fluid (DOT4)
    OZ Supperleggera's with Bridgestone S-03 PP's
    K&N air filter
    Hacked intake snorkel mod (silencer removed)
    Grounding mod (single point)
    TurboXS Unichip, generic 16psi maps
    DefiLink Boost, EGT, Fuel Pressure guages in the Defi Pod
    Techtom MDM 100-S2 Multi-function display
    *bling bling* green lighted badge
    Momo Airleather shift knob
    STI replica hood scoop
    Zerosports replica hood scoop splitter
    Zerosports replica spoiler
    Scoobysport muffler
    Scoobysport 2nd Mid-pipe
    Green Diamond Alpin Tires on the stock rims (for the winter)
    Duffman Radiator shroud

    Waiting to be installed:
    Cusco Catch Can (just gotta put it in)

    Stuff I really want:
    Scoobysport Downpipe/Uppipe
    Front/rear swaybars
    Kartboy droplinks
    Hella 500 driving lamps
    Last edited by MadDog; 02-24-2003 at 06:49 AM.

  10. #8
    Registered User AecannonRacing's Avatar
    Join Date
    Apr 2002
    2002 WRBLUE Wrx sedan, Stock block and blown at 1,600 miles.
    NOW New engine with these mods (not in order of appearance)
    As of 5/18/02!!!!!!!! IM BACK!!!!!!!!!!!!!!

    IHI VF30 Turbocharger
    MRT Top Mount Intercooler
    TurboXS stage 4 Unichip (also custom Tuned)
    Sti Injectors 550 cc
    Injen Race Division CAI
    Perrin Uppipe
    Turbo XS Catless Turbo exhaust
    w/ 4" downpipe by Turbo XS
    MIL Eliminator (keeps check engine light OFF)
    Walbro-fuel pump
    Blitz FATT DC TT

    Knock link
    Blitz SBC ID
    Cusco Equal Length headers
    Rota Subzero's in white
    Morrett Headlights...
    and food for thought......MUCH TIME ON THE ROAD!!!!!!!

  11. #9
    Registered User
    Join Date
    May 2002
    Stratford, NJ

    My mods list as of 3/28/05

    Exterior Modifications
    JUN replica eyelids
    McCulloch 5300K HID conversion
    STI replica grille
    STi replica foglight covers
    Seibon carbon fiber hood
    Aqua "reverse scoop" hood vent
    Revolutions Motorsports clear sidemarkers (with turn signal mod)
    Removed DRL

    Interior & Electronics
    TurboXS UTEC w/ remote map selector switch
    TurboXS Tuner mounted in DIN pocket under radio
    Blitz DTT-DC turbo timer
    Blitz SBC-iD set @ 22.5 psi, 35% gain
    Momo Race Airleather shift knob *bling*
    Optima RedTop battery relocated to trunk
    LoTek triple 60mm A-pillar
    Autometer carbon fiber A/F ratio gauge
    Autometer carbon fiber Oil Pressure gauge
    Autometer carbon fiber EGT gauge
    Alpine CDA-7894
    12” RF sub in the spare tire well powered by some tiny Pioneer amp
    80 square feet of Dynamat Extreme
    Escort Passport 8500 hardwired
    Digital Tuning PocketLogger

    Engine Performance
    IHI VF34 turbo
    Tial 38mm external wastegate w/ atmospheric dump
    Ultimate Racing 600cc injectors
    Walbro 255lph fuel pump
    GFB lightened under/overdrive pullies
    Grounding mod
    Custom shorty intake w/ foam pod filter
    TurboXS/HyperFlow front mount intercooler
    Quantum Racing ported/polished throttle body
    TurboXS RFL Blow Off Valve
    NGK BKR7EIX-11 plugs
    Nitrous Express N-Tercooler
    Perrin catless uppipe wrapped with ThermoTec
    BPM Twister MKIII 3" turboback
    STi engine mounts
    STi 1.3 bar radiator cap
    Neo Synthetic Oils

    Drivetrain Upgrades
    Kartboy Kustoms short-throw shifter and bushings
    Exedy 12-pound billet flywheel
    Exedy 3-puck cermatellic clutch
    Stainless steel clutch line
    STi RA gearset with WRX 3.90 final drive
    STi limited slip center differential
    STi hardened transmission mount

    Suspension Modifications
    Tanabe DF series springs
    Whiteline Anti-Lift Kit with comfort bushings
    Perrin rear sway bar with heavy duty mounts
    STi replica front strut bar
    STi replica rear strut bar
    Rota Slipstreams
    Duralmin titanium lug nuts
    Last edited by IMPREZvWRX; 03-28-2005 at 03:51 PM. Reason: More mods!
    1999 Impreza RS - 12.096 @ 114.63
    2002 WRX - 12.602 @ 111.08
    1991 Eagle Talon TSi AWD - 11 second scrap pile - SOLD

  12. #10
    Registered User AmSFighter's Avatar
    Join Date
    Jan 2002
    2002 Subaru WRX, 5 speed manual,World Rally Blue Pearl


    -STi Titanium shift knob
    -Rear Spoiler
    -Upgraded security system
    -Armrest extender
    -interior air filtration kit


    -STi 565cc fuel injectors
    -Walbro gss341 fuel pump 255lph
    -NGK BKR7EVX-11 plugs
    -GFB power pulley kit (crank and alternator)
    -Hyperflow CAI
    -Removed silencer
    -BPM MKiii/Twister 3" turboback exhaust
    -BPM catless 3" midsection race pipe
    -Vishnu Uppipe
    -TurboXS custom tuned unichip/piggyback EMS
    -JP boost controller (for sale)
    -5 point grounding/earthing mod
    -TurboXS RFL bov
    -Eibach springs
    -Kartboy short shifter
    -Kartboy shifter bushing
    -Greddy electronic warning 60mm boost gauge
    -Blitz FATT DC turbo timer w/harness
    -Morette Projector headlamps
    -STi JDM OEM grille (will not work w/ morettes, thus for sale)
    -Fog light mod
    -Clear corners
    -Tinting, 35% sides, 20% rear
    -A TON of zaino bros. products to keep 'er clean.
    ON ORDER FROM MY UNCLE (TSR motorsports in Seattle and Bellvue Washington...yeah shameless plug )
    -Greddy FMIC
    -Blitz SBC-id
    -Blitz Power-id

    VERY NEAR FUTURE MODS (by the end of June)
    -Samco turbo inlet hose
    -Greddy warning/memory EGT gauge
    -Greddy warning/memory Oil Temp gauge
    -Defi Gauge pod
    -Delta Dash
    -17x7.5 ssr competitions
    -225/45/17 toyo t1s
    -Lightened Flywheel and stronger clutch

    -DMS golds, Tanabe pro sustec, Tein RA's or stick with Eibach lowering springs w/kyb agx struts (when they become wrx specific).
    -Cusco sways front and rear
    -Strut tower braces
    Last edited by AmSFighter; 06-03-2002 at 05:01 PM.

  13. #11
    Warning: MotorMatrix owes Advertisement Fees and refuses to pay. Do not buy ANYTHING from MotorMatrix or!
    Join Date
    Apr 2002
    South Florida
    2002 Subaru Wrx 5spd w/ carbon dash upgrade, Wing,Sound System and Alarm. 3400 Miles on the car so far. Every single performance mod ont he car done by WWW.TAVRACING.NET

    List of Mods

    Aem Cold Air Intake
    Avo Turbo Back 3 inch Full Exhaust System
    M2 Performance Uppipe
    Cusco Exhaust Manifold
    M2 Performance Big Top Mount Intercooler
    Vf 30 Turbo
    STi Injectors
    Pe Fuel Pump
    Nitrous Express N-tercooler Sprayer
    Vishnu Crankshaft Pulley
    Turbo XS RFL Blow Off Valve
    Denso Iridium Spark Plugs
    STi Motor Mounts
    Samco Radiator Hoses
    Samco Inlet Hose
    Cusco Oil Catch Can
    STi Radiator Cap
    Greddy Oil Cap

    H&R Lowering Springs
    Cusco Front Tower Brace
    Cusco Rear Tower Brace

    Kartboy Short Throw Shifter w/ Bushing
    STI Transmission Mount
    Red Line Transmission Fluid

    Greddy Profec B Boost Control
    Blitz Fatt Turbo Timer
    Defi Gauge Pod
    Defi Boost/ Egt /Oil Temp Gauges

    18” Gold OZ Superleggera Wheels
    Yokohama Parada 225/40/18 Tires
    Kyokugen Lightweight Lug Nuts
    STi Carbon Hood Scoop
    STi Carbon Marker Covers
    STi Mesh Fog Covers
    STi Badges
    Painted Side Skirts
    Kartboy Exhaust Hangers

    *****Future Mods*****
    Piggy Back or Standalone ECU
    2.5 Stroker Kit
    Last edited by MotorMatrix; 05-21-2002 at 08:38 PM.

  14. #12
    Registered User
    Join Date
    May 2001
    2002 Blaze Yellow Sedan (36,000 miles and counting)

    Body & Style

    Sti front clear corners
    Sti replica hood scoop
    JUN Eyelids
    Aqua Tailight covers
    Greddy Front Lip / Sti type "side spats" / C-west Rear Lip
    Painted side skirts
    Centerline Forged 17" Rims with Falken ST-115 215/45/17 tires

    Suspension & Brakes

    Cusco Zero 2 Coilovers (dropped approx 1.5" front, 1/2" rear)
    Cusco Front Strut Tower Bar
    Whiteline front & rear anti-sway bars
    Wilwood 6 piston calipers (front) Upgraded pads (rear) (red stuff)

    Engine & Drivetrain & Exhaust

    MRT CAI -w/Unifilter
    TurboXS HPMBC
    VF 22 Turbo
    Samco IC & Turbo Inlet hoses ... w/matching radiator hoses
    PWR Upgraded TMIC
    Vishnu Super Uppipe (has extra bung)
    Kartboy Short Shifter & Bushing & Exhaust Hangers
    STi Tranny & Engine Mounts
    ClutchMasters Stage 3 Clutch w/factory flywheel - replacing with ACT Street Disk
    TurboXS 4" bell mouth downpipe & 3" 3rd cat eliminator, with a 3"-2.5" midpipe - 2.5" Stromung Single tip muffler.
    KMD 4-1 Exhaust Manifold - Installing this week-end!
    Vishnu Crank Pulley
    STi injectors
    BBK (Walbro) Fuel Pump
    Apexi S-AFC (fuel controller) - Replacing with UTEC (on order still)
    Apexi Pen size Turbo Timer
    Omori Boost, EGT & Oil Temp
    Primitive Racing Front Skid Plate & Rear Diff. Protector

    Nitrous Express Wet Kit (35 or 50 shot)
    2 step rev-limiter - never worked - will use UTEC
    Oil Catch Can - never installed

    Ordering soon:
    4 way EGT Gage with 4 sensors, to tap into all 4 exahaust ports
    New Turbo - Undecided

    For monitoring:

    DeltaDash Software - reads all factory sensors, great data-logging/tuning device... especially when you don't have access to a dyno......

    Harrison OBDII scanner, to pull those pesky Cat efficiency errors.....

    For Sound:

    Eclipse 5 channel Amp. JL Audio 6.5 Components up front, Eclipse 5 1/4 in the rear, JL Audio 10w6 v2 Sub in the trunk, being pushed by a kicker 400/1 ... Alpine Head Unit - XM ready + Alpine 6 disk Mp3/cd player

    OK.. .I think that's it..... I'm sure I'm missing something.....

    I love this car!

    Best time at the track so far.... 13.2 @104.2 mph, with a 1.97 60 ft !

    Last edited by Kenneth2000; 12-17-2002 at 12:02 AM.
    02 Blaze Yellow WRX >>> 04 STi >>> 05 300c SRT8 w/100 shot >>> 06 EVO IX ... I'm loving it!!

  15. #13
    Registered User
    Join Date
    Jan 2002
    2002 Midnight black Sedan

    STi short throw
    Injen CAI
    Samco I/C hoses
    GFB pulley kit
    Godspeed uppipe
    Godspeed downpipe
    5Zigen catback
    I/C water spray
    Grounding mod
    NOS 50 shot wet kit
    NOS remote bottle opener
    NGK-BKR7ES-11 plugs
    Walbro 255lph fuel pump

    Eibach pro-kit
    STi front strut brace
    Cusco rear carbon fiber strut brace
    Cusco V brace
    18inch Technomagnesio Detroit
    225/40/ZR18 Nitto 555's

    STi mesh fog covers
    STi carbon fiber blinker covers
    STi radiator cap
    STi oil cap
    Headlight mod
    Vinyl eyelids
    OEM body kit and spoiler
    Hood scoop screen
    Replica zerosports grille

    Autometer apillar
    Greddy boost and EGT
    Momo shift knob
    Custom dead pedal
    Custom black and grey leather seats and door panels
    Last edited by TURBLOWN; 01-03-2003 at 07:21 AM.

  16. #14
    Registered User
    Join Date
    Jun 2002
    New Zealand
    Im New to this site but have read some good stuff on here
    my car is a sti type R version 3 coupe
    my mods areas follows

    1/ Trust Frontmount- tube fin design
    2/Large injectors- 850 cc
    3/Td07s greddy turbo ( twisted)
    4/hks cams
    5/Uprated feul pump
    6/greddy type c racing wastegate
    7/ Cold airbox
    8/Hks Twin plate and flywheel
    9/Seriously upgraded gearbox(kaaz)
    10/Jun 2.2 Stroker Kit- rods,pistons,crank,arp bolts
    11/ compression is 220 acoss the board
    12/diamond coil packs- very large
    13/evc valve controller
    14/hks f-con v pro ecu
    15 launch controller
    16/knock sensors
    17 HKS stainless extractors (very very sexy)
    18/ seriously played with heads
    19/throttle body enlarged
    20/balanced and lightened pulleys
    21/custom airbox, oil catch can
    22/upgraded braided fuel lines
    23/closed deck
    24/carrosse (cusco racing) fully adjustable suspension

    Last edited by claretplace; 06-02-2002 at 05:51 AM.

  17. #15
    Registered User slin02's Avatar
    Join Date
    Feb 2002
    Carol Stream, IL
    I forgot
    Last edited by slin02; 01-28-2003 at 09:52 PM.
    my car is slow,,,,,, very slow.

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