This is just a litt rant for all of you that have a certain idea of "JDM":
1."GT" type spoilers are not "JDM", unless you can go sideways (controlled) at 110mph
2. Oh, the green and yellow "JDM" badge means you have been driving for less than one year, and the yellow/orange badge means you are a senior citizen! Why the hell would you want this on your car? These things give special rights to the driver that posesses them. In Japan, after you graduate past one year of driving you are considered a "professional" driver. If you get in an accident with anybody that legally has one of these badges on their car, you will be held to a higher degree of responsibility than the other driver.
3. "kamikaze" bodykits are not "JDM", keep it clean people!
4. "amber/yellow" headlight bulbs are not JDM, unless you have Japanese front clip on your Integra
5. "JDM" is-- wheels tucked inches into your wheelwell, is a ridiculous offset/inset that makes people ask you how the hell those wheels fit on your car
6. "JDM" is-- an absence of an ugly aero kit
7. "JDM" is--researching parts, buying quality parts, and getting everything tuned to work together ( my $350 alignment at Cockpit will atest to this!)
I am sure that I can think of more "JDM" do's and do nots, but I would like to hear what everyone else has to say and I'll make a complete of them right here

Modifications:

Power:
-S15 Silvia Turbine
-Z32 (300ZX TT) MAF
-C&Y Sports hard pipe intake
-SARD 550cc Injectors
-Skyline GTR fuel pump
-Z32 fuel filter
-Greddy Type-LS frount mount intercooler
-Turbo XS RFL blow off valve 
-CUSCO oil cooler and filter relocation kit
-RSR downpipe
-cat delete pipe
-Cat back exhaust (80mm, purchased used, can't remember brand)
-Blitz Dual SBC boost controller
-Sard fuel pressure regulator and gauge
-computer tune by Nerve(removed fuel cut, governor, and tuned for MAF, injectors, and fuel pump)

Drivetrain:
-OS Giken twin plate clutch 
-NISMO clutch slave cylinder
-removed clutch damper unit (thanks to this website...Clutch Damper Removal)
-NISMO diff.
-EBay short shifter (don't knock it, it works and it's $200 cheaper than your B&M!)
-Polyurethane transmission mount

Footwork:
-Energy Suspension Polyurethane steering rack bushings
-New sway bar end links front/rear with polyurethane bushings
-Rear lower tie bar
-URAS tie rods with Kazama tie rod ends  
-Aluminum sub-frame bushing inserts 
-HKS Hipermax coilovers
-Nagisa Auto Inner Fender braces  
-CUSCO front and rear strut tower bars
-C&Y Sports c-pillar bar
-CUSCO tension rod brace
-Origin DNA-01 wheels, 17x9" front and rear, with Federal rubber
-CUSCO brake cylinder stopper
-Prodrift rear camber arms
-Ikeya Formula rear toe control rods
-Ikeya Formula rear traction rods
-Ikeya Formula tension rods
-Dixcel FCR (heat treated/slotted) brake rotors, front and rear
-Project Mu B-Spec brake pads, front and rear

Interior:
-Recaro reclinable bucket seat
-Sabelt four point harness
-Redline Goods faux alcantara shift boot/center arm rest cover 
-GREDDY boost gauge
-GREDDY oil pressure gauge
-Greddy Intelligent Informeter
-Autometer Phantom A/F ratio gauge
-HKS turbo timer
-MOMO steering wheel
-Pioneer deck with IPOD interface
-RAZO shift knob and pedal covers
-drift e-brake button
-Cusco four point roll-bar

Extras: 
-Kouki taillights    
-CUSCO oil catch tank 
-Splitfire sparkplug ground kit 
-engine ground kit
-aftermarket front bumper spoiler (brand ?)
-aftermarket side skirts (brand ?)
-12000K HID kit
-JunYan clear corner markers, front and side signals
-26% tint on front windows, 5% tint on rear quarter windows and rear window

The new wheels: Origin DNA-01 17"x9" front and rear, 215/45-17front, 225/45-17 rear tires

All shined up:                                                   

 New intercooler:                                                                  Cleaned up the engine bay a little:

DJ4Life's 180sx and my Silvia:

Redline Goods faux alcantara shift boot/center armrest cover

 Before and after of center console with gauges:

Shot of the rear suspension/old exhaust:                   New Exhaust

                                                                              (I know, it needs shined up):

                                                                    Rear Brakes:  

Front Brakes:

  Forward sway brace links:

 Rear sway brace end links:

 Nagisa Auto inner fender braces            

URAS tie rods/Kazama rod ends(purchased used)    HKS coilovers:     

before and after, right rear suspension  

left rear suspension
 

Rear Lower tie bar:

Taken right afer I bought car, you can see the OEM signals/corner lights:

Oil Cooler: