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Engine bay
L radiator fan - 4.5 lbs
R radiator fan - 3.5 lbs
Windshield washer fluid reservoir - about 12 lbs full
L upper radiator bracket - 0.5 lbs
R upper radiator bracket - 0.5 lbs
L lower radiator bracket - 0.5 lbs
R lower radiator bracket - 0.5 lbs
Alternator tensioner bracket and bolt - 0.5 lbs
AC compressor, lines, condenser, belt, and dryer - 19.25 lbs
AC fluid - about 0.75 lbs
AC idler pulley - 1.0 lb (remove and use shorter belt if u want to keep AC)
AC compressor "outer half of pulley" - 1.0 lb (this can be removed with the belt in about 5 min. for track use only)
AC compressor lower bolts - 0.25 lbs (only 2 bolts needed to hold it in place)
AC refrigerant - 1.25 lbs (with the help of 02wrbrex1)
Deka ETX9 battery - 25.0 lbs (7.0 va. 32.0)
Battery terminal adapters + 0.25 lbs
Battery tie down bracket - 0.5 lbs
Battery plastic cover - 0.25 lbs
+ve battery terminal wiring - 0.75 lbs
-ve battery terminal wiring - 0.5 lbs
Custom 8ga battery cable (9ft long +ve, 1ft long -ve, both with ring terminals) + 0.75 lbs
Hood liner - 1.0 lb
TB hose and bracket (coolant bypass mod) - 0.5 lbs
PS line brackets - 0.25 lbs
Group N engine mounts w/ brackets - 0.5 lbs (3.5 vs. 3.75 x 2)
Perrin Equal Length Header - 13.75 lbs (12.0 vs. 25.75)
Perrin T-bolt clamps for slip joints +0.25 lbs
Wiring bracket on top of tranny bellhousing behind slave cylinder - 0.25 lbs
Clutch MC to SC piping, brackets, and hardware - 1.75 lbs (replaced with SS hose of negligible weight)
Carbing strut brace +3.5 lbs
Turbo heatshield -1.5 lbs
Turbo heatshield bracket -0.25 lbs
Boost Logic turbo blanket +1.0 lbs
Downpipe upper heatshield -0.5 lbs (between downpipe and uppipe and below the turbo)
Invidia uppipe - 2.5 lbs (3.5 vs 6.0)
RPS WRX custom aluminum flywheel, aluminum pressure plate, ceramic/carbon aluminum disc, release bearing, pilot bearing - 15.25 lbs
Q-rack +0.5 lbs (aluminum brackets added 0.5 lbs, deletion of driver side bracket with 2 bolts deleted 0.5 lbs, but extra length/thickness of part of the 06 RS tie rod adds 0.5 lbs)
Pelco fans for TMIC +3.0 lbs (1.5 x 2)
COBB crank pulley - 4.5 lbs (1.25 vs 5.75)
NRG dampers - 0.0 lbs (weighed exactly the same 1.25 lbs as parts they replaced)
DRL controller in engine bay - 0.5 lbs
COBB downpipe w/ O2 sensor - 11.5 lbs (11.75 vs. 23.25)
L Intercooler bracket w/ 3 bolts, rubber grommet, and metal insert - 0.75 lbs
R Intercooler bracket w/ 3 bolts, rubber grommet, and metal insert - 0.75 lbs
Process West TMIC w/ all hoses and clamps + 5.25 lbs
Driver side uppipe support bracket w/ 2 bolts and 1 less nut needed for uppipe - 1.0 lbs
Front of Car - Body
Front bumper cover unnecessary mounting brackets - about 2 lbs (only kept necessary ones)
Front bumper beam - about 24 lbs
KS-tech hood vent - 1.75 lbs (stock scoop is the same weight at 2.25 lbs, but the fins add 1.75 lbs so the net loss is 1.75 lbs)
Front of Car - Underneath
U-brace w/ plastic trim but no bolts - 25.0 lbs
Transmission rear cross member vibration dampener - 1.0 lb
Interior
L CG-lock + 0.25 lbs
R CG-lock + 0.25 lbs
R driver side floor mat holder - 0.25 lbs
Cruise control - 0.5 lbs
DRL controller under dash - 0.25 lbs
Middle rear seat belt - about 5 lbs (still have to weigh it)
Rear center pass through - 6.5 lbs
Blanket to cover rear pass through +0.75 lbs
Front grab handles - 1.0 lbs (0.5 x 2)
Rear grab handles - 1.0 lbs (0.5 x 2)
Front grab handle mounting brackets - 1.0 lbs (0.5 x 2)
Rear grab handle mounting brackets - 1.0 lbs (0.5 x 2)
L sunvisor - 0.5 lbs
R sunvisor - 0.5 lbs
Metal piece in center console - 1.0 lb
OMP Comfort L front seat (reclinable) - 12.0 lbs (29.0 + 6.0 (bracket) vs 47.0)
OMP Comfort R front seat (reclinable) - 7.0 lbs (29.0 + 6.0 (bracket) vs 42.0)
OMP Kubic steering wheel w/ NRG quick release - 1.75 lbs (2.25 + 1.0 + 1.5 vs 3.75 + 2.25 + 0.5)
Rear seat brace and support brackets - about 15 lbs
Metal shifter trim - 0.5 lbs
Foam sound deadener on firewall - about 25 lbs
Vents from HVAC to rear seats - 0.5 lbs
Child seat anchors (all 3) - 2.0 lbs
Door handle brackets replaced with velcro - 2.0 lbs (0.25 lbs ea)
Front door "saran wrap" sealant - 0.75 lbs (they were more than 0.25 lbs, but less than 0.5 lbs, so I weighed them together and got 0.75 lbs)
Rear door "saran wrap" sealant - 0.5 lbs (0.25 lbs each)
L rear speaker - 0.25 lbs
R rear speaker - 0.25 lbs
L front window aligner - 0.5 lbs (the window closes and seals fine, but NOT at highway speeds)
R front window aligner - 0.5 lbs (the window closes and seals fine, but NOT at highway speeds)
Rear door theft protection - 1.0 lb (0.5 lbs per side) - I have nothing in the car to steal, an immobilizer, hidden backup immobilizer, and an NRG quick release wheel - my car will have to be towed if somebody wants to steal it)
Autospeed dead pedal +0.25 lbs (0.25 vs negligible)
Homelink mirror +1.0 lb (1.5 vs 0.5)
Motomaster 6.5W solar panel +0.5 lbs
Cable for solar panel +0.25 lbs
COBB L front floor mat -0.5 lbs (1.5 vs 2.25)
COBB R front floor mat -0.75 lbs (1.75 vs 2.25)
L rear floor mat - 2.0 lbs
R rear floor mat - 2.0 lbs
Rear of Car -Underneath
Driveshaft protection plate - 4.0 lbs
Muffler heat shield - 1.0 lb
ACPT CF driveshaft - 10.0 lbs (14.5 vs 24.5)
COBB cat back - 2.0 lbs (19.0 vs 21.0)
COBB midpipe - 2.0 lbs (9.0 vs 11.0)
Rear tow hook - 2.0 lbs
L rear muffler hanger bracket - about 2 lbs
L rear muffler hanger - 0.5 lbs
Rear of Car - Body
Rear bumper cover unnecessary mounting brackets - 4 lbs (only kept necessary ones)
Rear bumper beam - 28.5 lbs
Rear bumper beam foam - 1.25 lbs
Rear bumper beam bolts - 1.0 lbs
Rear license plate screw holder - 0.25 lbs
Spec C trunk - 11.75 lbs (11.0 + 0.75 (paint) + 0.5 (hardware) vs 24.0)
APR wing - 8.75 lbs (8.25 vs 17.0)
APR rear diffuser w/ hardware +4.5 lbs
Trunk Area
Run low intercooler sprayer fluid - about 8 lbs (used to cool IC + spray the windshield)
Spare tire - 30.25 lbs
Spare tire bolt and cap - 0.25 lbs
Spare tire cover - 4.0 lbs
Jack extension handle located under spare tire cover - 0.75 lbs
Jack - 4.0 lbs
Tools w/ carry case - 1.5 lbs
All trunk trim - about 4 lbs
Spare tire rubber pads - 0.25 lbs
Trunk springs - 2.0 lbs
Neodynium magnets to replace trunk springs +0.25 lbs
Wheels, Suspension, and Brakes
Front brake dust sheilds - 2.0 lbs (1.0 lbs per side)
Rear brake dust shields - 1.5 lbs (0.75 lbs per side)
Rear caliper vibration dampener - 2.0 lbs (1.0 lbs per side)
Front ABS sensor wire brackets w/ bolts - 0.5 lbs (0.25 lbs per side)
Rear ABS sensor wire brackets w/ bolts - 0.75 lbs (both sides)
Rear passenger brake line bracket w/ bolts -0.25 lbs
Brakeman L front rotors - 10 lbs (12.75 vs 22.75)
Brakeman R front rotor - 10 lbs (12.75 vs 22.75)
Brakeman L front caliper assembly - 3.0 lbs (9.25 - 12.25)
Brakeman R front caliper assembly - 3.0 lbs (9.25 - 12.25)
Brakeman L rear caliper assembly - 0.25 lbs (3.25 - 3.5)
Brakeman R rear caliper assembly - 0.25 lbs (3.25 - 3.5)
Brakeman L rear rotor - 10.75 lbs (7.0 vs 17.75)
Brakeman R rear rotor - 10.75 lbs (7.0 vs 17.75)
Car Labs X-brace +10.75 lbs
COBB front swaybar ASSEMBLY - 2.0bs (5.0 vs. 7.0)
COBB front endlinks - 0.0 lbs (same as stock)
COBB rear swaybar ASSEMBLY - 0.5 lbs (9.75 vs 10.25)
COBB rear endlinks +0.25 lbs (1.25 vs 1.0)
Kosei 17x9 ET 45mm w/ Bridgestone RE-01R 245/40/17 tires - 8.0 lbs (43.0 vs 45.0 x 4)
Kosei 17x9 ET 45mm w/ Michelin Pilot Sport Cup 245/40/17 tires - 28.0 lbs (38.0 vs 45.0 x 4)
Project KICS Neo Chro R26 lug nuts - 0.25 lbs (1.0 vs 1.25)
Rear backing plates - 11.5 lbs (5.75 lbs per side)
Rear drum brake components - 5.0 lbs (2.5 lbs per side)
Ebrake handle assembly - 3.5 lbs
Ebrake cables - 2.5 lbs (1.25 per side)
Ebrake cable bracket - 0.25 lbs
Misc
Gas tank filler trim - 0.25 lbs
Run a maximum of 35 L gas at a time (fill 30L when there is about 5L left) - about 40 lbs
Various brackets, bolts, nuts, etc. from all over the car replaced with nothing, zip ties, or double sided tape - about 50 lbs
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