Do these bulbs have any warranty? Some of the users claim a very short bulb life

Sylvania warrantys for a year if purchased through an authorized dealer. BulbAmerica on Amazon is not one. Their warranty is only 30 days! iServe on Amazon sells the bulbs for the same price and is an authorized dealer. I like the bulbs but one just went out after less than 3 months. I just purchased the bulbs again, but this time I was observant enough to look for an authorized seller on Amazon. Since the bulbs tend to have a short life, definitely buy from a seller that covers the factory 12 month warranty. Benefit from my hard learned lesson.

I'm replacing the bulbs on my 2009 Dodge Ram. Which of these options would be the brightest/whitest? The 9006, 9008, or H11?

Your Dodge Ram uses H13 bulbs (9008) for both hi/low beams. 9006, 9008, H11 are just sizes and your vehicle will only be able to accommodate just one size. As far as brightness goes, you have halogen, then the advanced halogen (silver star, ultra, xyz, etc...) but I would recommend a good set of HIDs if you really want true brightness. Just don't go over 5000K because that's when the lights start to change colors and what not. I paid almost $40 for a pair of silver stars, they were definitely an improvement over my original halogen bulbs but didn't last long. I would say in three months time, the brightness was just the same as my original halogens, if not worse. After I got rid of my silver stars, I went with HIDs and never looked back!

The h11 bulb is it for high and low is it a separate bulb?

The h11 is not high and low beam I used h9003 silverstar but I would not buy this brand again twice they have only last did about 9 month and not too bright as it advertises. I replaced it with SAIXUAN Automotive COB LED Replacement Bulbs 2 PCS 60W 6000LM 6000K IP 65 Super Cold White Car Headlight Led Conversion Kit 12V 24V-1 Year Warranty (H4/HB2/9003) I have not problems and it's bright

Brand	Sylvania
Specific Uses For Product	Headlight
Brightness	1345 Lumen
Item Package Quantity	1
Colour	White
Auto Part Position	Front
Operating Life	1000 Hours
Light Output Maximum	1345 Lumens
Manufacturer	SYLVANIA
UPC	046135341571
Global Trade Identification Number	00046135341571
Model	34157
Product Dimensions	13.97 x 3.81 x 13.97 cm; 68 g
Item model number	H11SU.BP2
Exterior	Machined
Manufacturer Part Number	H11SU.BP2
Assembly Required	No
Special Features	Base PGJ19.2, Voltage 12V, Wattage 55
Mirror Lighting Type	automotive-exterior-headlight-bulbs
Item Weight	68 g

SYLVANIA H11 SilverStar Ultra High Performance Halogen Headlight Bulb, (Contains 2 Bulbs)

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