how long are they supposed to last?

My original review of the bulbs noted that they lasted almost exactly 1 year (only one went out but I was sure the 2nd was sure to follow). After research of this type of bulb, and with the intention of something that would last longer, I found that they generally do last only 1 Year. Its a trade off for a brighter light, which they are in comparison to the factory bulb. Additionally, the fact that I often drive with headlights on for safety, they were in use for a considerable part of the year. Consequently, I would recommend them since they were brighter, just understand that with these bulbs and similar bulbs from other manufacturers, you will most likely need to replace them again in a year if your vehicle runs with the headlights on or if you manually choose to use them more often (during daylight hours).

I can not find this product on the main philips website. is this fake, branded philips? i doubt. philips has a 100% increase in light, not a 130% incr

It took some searching but https://www.philips.co.in/c-p/12342XVPB1/x-tremevision-plus-headlight-bulb No it is not a fake. Just maybe they have a crap website. Not unheard of.

Are these street legal in USA (DOT certified? Noted ECE certification applies in Europe

Yes- that being said the DOT does not certify products for legality. The DOT establishes standards that manufacturers must self-certify or 3rd party certify to meet. This is often a dead giveaway for fake or poorly made products: theh will claim "DOT Certofied," rather than stating that they are conpliant with the applicable regulations. The ECE reg, in this instance, is an equivalent standard for the SAE market.

doe it come with any waranty

Since writing my first review I have found the one Extreme Philips IS somewhat brighter than the ordinary bulb on the opposite side. I would not worry about a warranty, Amazon vendor will likely take care of you if there is a problem.

Manufacturer	Philips
Brand	Philips(フィリップス)
Product Dimensions	10.5 x 10.5 x 6.5 cm; 44 g
Item model number	12342XV+S2
Is Discontinued By Manufacturer	No
OEM Part Number	9003, H4, HB2
Position	Front
Item Dimensions L x W x H	10.5 x 10.5 x 6.5 cm
Voltage	12 Volts
Year	2014
Item Weight	44 g

Philips X-treme Vision +130% Headlight Bulbs ヨーロッパ製 (H4 60/55W) (ペア)

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