Adding a Spoiler?
Just bought a 2005 GX470...it has ever option EXCEPT the rear spoiler. Does anyhow have any suggestions for getting one put on....other than paying the dealer prices.
I believe the dealer wants $650.00 to instal one. I made them put one on as part of the deal for me to buy the vehicle. Mine is an 06 in titanium silver. the install took them several hours, (not sure how many because they were adding some other things too) and the service manager said it was quite a labor intensive project to ensure the spacing was exact on both sides.
http://www.sewellpartsonline.com/ has the dealer instructions. The install looks pretty simple, frankly. About the only "specialized" tool you'd need is a rivet gun.
Also, I personally wouldn't trust the dealer to apply the necessary rust inhibitor to the holes...
Also, I personally wouldn't trust the dealer to apply the necessary rust inhibitor to the holes...
https://www.clublexus.com/forums/gx-...poiler-on.html
I got my spoiler from thespoilerstore seller on ebay:
here's a link to one.
It looks great. Be sure to ask for the cover for the rear brake light and they'll include it. I had my dealer install it and they had no problems.
here's a link to one.
It looks great. Be sure to ask for the cover for the rear brake light and they'll include it. I had my dealer install it and they had no problems.
You might want to PM Kphu, he just install a spoiler recently.
https://www.clublexus.com/forums/gx-...poiler-on.html
https://www.clublexus.com/forums/gx-...poiler-on.html

Certainly, did.
Like sickntired, I too bought mine from thespoilerstore on ebay. The paint matched up perfectly, although the instructions were a little confusing. If I were to do it again, here's what I would do.
Get some thick construction paper or something that's the thickness of a cereal box.
As for the size of the template, you'll want something that's as long as the width of the back of the truck and a little bit wider then the footing of the spoiler. Make sure the template is perfectly squared.
Take the spoiler and mark the footings on the template, then poke holes through the template of where the holes should be drilled for the footing.
Take the template and transfer it to the back of the truck. Find a good point of reference so that the edge of the template is even on both sides. The holes that you made earlier on the template marks the drill points on truck. Use a center tap to mark the drill points. This will create a small dent into the spot and kepts the drill bit from moving out of place.
Use a step bit to drill the holes, make sure you don't make the hole too big!!!
If you do then you'll just have to get some big washers. Get some antirust cream/gel and put it over the bare metal. If your **** you can get some spray paint and put it on a q-tip and cover up the baremetals. Don't cut yourself. You might want to do something about the metal shavings from drilling. I found that it scratched my clear coat a little as I was wiping it off.
I disassembled the covering to the back door, I think I wrote a DIY so just search for it.
Once you get to the wiring, just splice into the wiring, it's simple 2 wires. Bolt the nuts and your good to go.
It makes it easier if you have someone to help you hold the spoiler up as you bolt it on. I did it by myself and it took 4 hrs because I must have double checked my measurements a 100 times.
somebody call me name???? 
Certainly, did.
Like sickntired, I too bought mine from thespoilerstore on ebay. The paint matched up perfectly, although the instructions were a little confusing. If I were to do it again, here's what I would do.
Get some thick construction paper or something that's the thickness of a cereal box.
As for the size of the template, you'll want something that's as long as the width of the back of the truck and a little bit wider then the footing of the spoiler. Make sure the template is perfectly squared.
Take the spoiler and mark the footings on the template, then poke holes through the template of where the holes should be drilled for the footing.
Take the template and transfer it to the back of the truck. Find a good point of reference so that the edge of the template is even on both sides. The holes that you made earlier on the template marks the drill points on truck. Use a center tap to mark the drill points. This will create a small dent into the spot and kepts the drill bit from moving out of place.
Use a step bit to drill the holes, make sure you don't make the hole too big!!!
If you do then you'll just have to get some big washers. Get some antirust cream/gel and put it over the bare metal. If your **** you can get some spray paint and put it on a q-tip and cover up the baremetals. Don't cut yourself. You might want to do something about the metal shavings from drilling. I found that it scratched my clear coat a little as I was wiping it off.
I disassembled the covering to the back door, I think I wrote a DIY so just search for it.
Once you get to the wiring, just splice into the wiring, it's simple 2 wires. Bolt the nuts and your good to go.
It makes it easier if you have someone to help you hold the spoiler up as you bolt it on. I did it by myself and it took 4 hrs because I must have double checked my measurements a 100 times.

Certainly, did.
Like sickntired, I too bought mine from thespoilerstore on ebay. The paint matched up perfectly, although the instructions were a little confusing. If I were to do it again, here's what I would do.
Get some thick construction paper or something that's the thickness of a cereal box.
As for the size of the template, you'll want something that's as long as the width of the back of the truck and a little bit wider then the footing of the spoiler. Make sure the template is perfectly squared.
Take the spoiler and mark the footings on the template, then poke holes through the template of where the holes should be drilled for the footing.
Take the template and transfer it to the back of the truck. Find a good point of reference so that the edge of the template is even on both sides. The holes that you made earlier on the template marks the drill points on truck. Use a center tap to mark the drill points. This will create a small dent into the spot and kepts the drill bit from moving out of place.
Use a step bit to drill the holes, make sure you don't make the hole too big!!!
If you do then you'll just have to get some big washers. Get some antirust cream/gel and put it over the bare metal. If your **** you can get some spray paint and put it on a q-tip and cover up the baremetals. Don't cut yourself. You might want to do something about the metal shavings from drilling. I found that it scratched my clear coat a little as I was wiping it off.
I disassembled the covering to the back door, I think I wrote a DIY so just search for it.
Once you get to the wiring, just splice into the wiring, it's simple 2 wires. Bolt the nuts and your good to go.
It makes it easier if you have someone to help you hold the spoiler up as you bolt it on. I did it by myself and it took 4 hrs because I must have double checked my measurements a 100 times.
Nice thing about the OEM spoiler is the templates they give you
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Save the extra $$$.
If you were local, I'd help you install it.
Funny you ask!!!
My ES300 is showing early signs of transmission issue so I decided to get a 2nd gen GS430.
The 3rd Gen GS350 is a little too cramped with the car seats. Darn kids!!!
Any hoot.
I'm buying an '02 GS430 with 37.5K Miles, fully loaded with MLS, NAV, etc from an 80 yr old lady!!!!
I'm picking it up tonight at 5:30.
I got my eye on the LS460 as my next car. I'm in love with it.
My ES300 is showing early signs of transmission issue so I decided to get a 2nd gen GS430.
The 3rd Gen GS350 is a little too cramped with the car seats. Darn kids!!!
Any hoot.
I'm buying an '02 GS430 with 37.5K Miles, fully loaded with MLS, NAV, etc from an 80 yr old lady!!!!
I'm picking it up tonight at 5:30.
I got my eye on the LS460 as my next car. I'm in love with it.
kphu, thats a smart move, I guess thats why you are loaded
The 2nd gen GS is a much better design than the 3rd. It was built solid unlike the 3GS which a victim of Lexus cost cutting. Post some pics when you pick her up
The 2nd gen GS is a much better design than the 3rd. It was built solid unlike the 3GS which a victim of Lexus cost cutting. Post some pics when you pick her up
Hey Guys...yeah I got her on the road and love the way it drives. The power difference is like night and day between the ES and GS.
Here's some pics.
Last edited by kphu; Mar 28, 2009 at 04:56 PM.








"If your ****
you can get some spray paint and put it on a q-tip and cover up the baremetals".