Before you can +lightness, you need to know what your parts weigh in the first place. So, this page will be a rolling list of parts that I have weighed either on my bathroom scale or on my hanging scale; some will be from forums or the manufacturer as well. At some point I would like to get a scale that can handle items that don’t register on the hanging scale. 

All OEM parts are from a 2003 WRX unless otherwise noted. 

Source Definitions:

  • bScale – Bathroom Scale
  • hScale – Hanging Scale
  • manuf. – Manufacturer’s listed weight
  •  other – link to source.

Engine Weights

PartWeight (ea.)SourceNotes
OEM Size Battery35 lbsbScaleAftermarket Replacement Battery
STi v8 TMIC10 lbsbScale
Grimmspeed TMIC20 lbsbScale
Fuel Injector Brackets3 lbsbScaleBolts included; EJ207 version 8
Turbo Heat Shield0.6 lbshScaleUpper shield; painted.
OEM Air Box3.7 lbshScaleIncludes After MAF hose, clamps and K/N panel filter. No MAF.
OEM Air Box Snorkel1.3 lbshScale
K/N Typhoon Intake5.2 lbshScaleNo MAF. Includes clamps and coupling. Gold reflective tape throughout.
OEM WRX Axle Back20 lbsbScale
USDM “Genome” STi Axle Back16.5 lbshScale
Blitz Nur-Spec Axle BackTBD
Hood Prop Rod1.1 lbshScale
OEM Crank Pulley5.7 lbshScaleEJ207 version 8

Exterior/Body Weights

PartWeight (ea.)SourceNotes
OEM WRX Wing5.9 lbshScaleOne stud is missing.
OEM Fog Lights3 lbsbScaleBrackets and bulbs included
HT Auto Fog Light Covers1 lbs
OEM Headlight3.5 lbshScaleAmber delete; painted housing; passenger side.
Modified Front Bumper Cover15.4 lbshScaleIntegrated eBay v2 lip, STi side splitters and Fog Light covers; weight reduction (19.3 lbs prior to w/r).
JDM v7 STi Grill2.2 lbshScaleRepaired

Suspension/Chassis Weights

PartWeight (ea.)SourceNotes
U-Brace25 lbsbScale
OEM Front Bumper Beam
Oswald Performance Lightweight Bumper Beam (F)6 lbsManuf.Install.
OEM WRX 20mm Swaybar (F)8.1 lbshScaleIncludes bushings and end links
OEM WRX 20mm Swaybar (R)TBD
OEM 2005 STi 20mm Swaybar (F) TBD
OEM 2005 STi 20mm Swaybar (R)TBD
SSR GT2 Wheels (17×8.5)16 lbsbScale
Centric 294mm Rotor (F)16.7 lbshScale

Drivetrain Weights

PartWeight (ea.)SourceNotes
OEM WRX 5MT DriveshaftbScale
DSS Carbon Fiber DriveshaftbScale
Torque Solutions Transmission Mount3.9 lbshScaleStuds missing.
OEM Pitch Mount0.4 lbshScale

Interior Weights

PartWeight (ea.)SourceNotes
Coming soon!
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