A small mod it may be, but side repeater replacement (for pre-facelift cars) is one of the most effective, and thus popular.
I have just done mine, so decided to take a few pictures to help anyone else looking to do this.
The parts:
* Clear facelift side repeater lenses - £22 from CTP (inc postage & VAT)
* Silver orange flashing bulbs - Ebay, £5
Here is how the lens looked to start with:
(http://www.mr2roc.org/Repository/misc/referencelibrary/repeaters/untitled.jpg)
To remove the lens, you can either use a flathead screwdriver wrapped in electrical tape, or like I did, just grab the lens and ease it off the plastic clips - the back came out first:
(http://www.mr2roc.org/Repository/misc/referencelibrary/repeaters/untitled2.jpg)
This is the lens so you can see the clips. The bulb holder twists to release the bulb:
(http://www.mr2roc.org/Repository/misc/referencelibrary/repeaters/untitled3.jpg)
Once out, you'll notice that the original bulb is white - these need to be replaced, otherwise your indicators will (illegally) flash white. I bought silver coated orange bulbs as these avoid the 'fried egg' look of having an orange bulb:
(http://www.mr2roc.org/Repository/misc/referencelibrary/repeaters/untitled4.jpg)
Here are the orange and clear lenses together. Once the orange lens is off, you need to remove the rubber seal surround and refit to the new clear lens:
(http://www.mr2roc.org/Repository/misc/referencelibrary/repeaters/untitled5.jpg)
Here is the silver bulb fitted in place and photographed whilst flashing:
(http://www.mr2roc.org/Repository/misc/referencelibrary/repeaters/untitled6.jpg)
Refit the bulb holder into the lens, twist to correct position and then clip new lens unit into the hole. Looks much better now.
(http://www.mr2roc.org/Repository/misc/referencelibrary/repeaters/untitled7.jpg)
Silver bulbs flashing bright orange behind the clear repeater.
(http://www.mr2roc.org/Repository/misc/referencelibrary/repeaters/untitled8.jpg)
A very simple mod - probably 1/10 on the scale and can be done in 10 mins easily.
Cheers,
Stu