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Go Back > Reviews > Body > Lighting, Lenses & Bulbs > IPF Fatboy H4 Bulbs

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IPF Fatboy H4 Bulbs Reviews, Ratings, Specs & Prices
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Previous Product Lighting, Lenses & Bulbs Next Product

IPF Fatboy H4 Bulbs

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Product Information

MSRP: $180.00
Average Price: $103.78
Manufacturer: IPF
Yes: 28 / No: 3

Powerful headlight upgrade for use with a seperate lense


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Registered User
swedishdwarf's Reviews

10-06-2007, 05:54 AM
IPF Fatboy H4 Bulbs
Pros: Bright, clear, white light
Cons: Excessive heat generated
Recommended? Yes

Comments: I installed a pair of IPF h4 lenses today along with the fatboy bulbs. Headlight adjustment is critical as these bulbs are very bright. Striking a balance between being able to see and allowing oncoming traffic to see took a couple tries, but once I found the sweet spot they performed very well.

My only concern is the heat. Parking after a drive of about a half hour, I noticed the headlight switch was very hot. I'm kind of worried about the circuit overheating and I should probably rewire the system with a couple of heavy-duty relays. I, however, am very lazy, so I'll most likely buy a fire extinguisher and try not to think about it.

Registered User
phillychondro's Reviews

06-14-2007, 09:34 AM
IPF Fatboy H4 Bulbs
Price: $79.99
Pros: Ultra Bright
Cons: None so far
Recommended? Yes

Comments: Use these bulbs combined with the IPF lenses in my TJ. Install took 20min. Great Mod!


Registered User
2k3r1's Reviews

04-30-2007, 06:22 PM
IPF Fatboy H4 Bulbs
Pros: geat low beam output
Cons: pricey at first glance
Recommended? Yes

Comments: when i bought my jeep used one of the sealed beam headlights went out withint the week and i didnt want to spend money on a stock replacement... so i started researching. I found out about the fatboys and the ipf lenses and bought them ASAP. They are very bright and make night time driving much more enjoyable over the stock weak sealed beams. I seriously think this has been the cheapest upgrade and the best BANG FOR THE BUCK out of all my jeep upgrades.

Registered User
jm708's Reviews

03-11-2007, 10:59 AM
IPF Fatboy H4 Bulbs
Pros: bright when properly aimed
Cons: a little expensive but worth the $
Recommended? Yes

Comments: I love the lights. Much brighter over stock lights. I think they are a little pricey but worth the upgrade. The install was simple and only took 10-15 min.

Registered User
CDX74's Reviews

01-21-2007, 05:00 PM
IPF Fatboy H4 Bulbs
Pros: great lights, good cut off, very bright
Cons: only lasted 10 months for me
Recommended? Yes

Comments: I loved these bulbs until the low-beam elements blew out on me the other night after just 10 months of use. But i liked them so much i will probably buy some more.

Registered User
geoffgarcia's Reviews

01-02-2007, 01:13 PM
IPF Fatboy H4 Bulbs
Price: $85.00
Pros: Easy to Install -10 minutes with only a screwdriver
Cons: generates a LOT of heat
Recommended? Yes

Comments: The improvement over a 20$ set of Sylvania Halogen sealed beam lights was obvious

But at 8x the cost (with an IPF Lens Conversion kit) for a 10-15% increase in illumination this is much more of a luxury item than anything else.

Registered User
jacala's Reviews

11-09-2006, 06:14 AM
IPF Fatboy H4 Bulbs
Pros: great cut-off, great lowbeam for around town.
Cons: none.
Recommended? Yes

Comments: Used by "jacala" around Brisbane, Queensland ,Australia.


Senior Member
stevensinger's Reviews

11-03-2006, 10:37 AM
IPF Fatboy H4 Bulbs
Price: $80.88
Pros: SUPER BRIGHT! Very easy install.
Cons: Other think you have high beams on and flash you.
Recommended? Yes

Comments: Buy them, easy install. Just be careful some people think they are your high beams and flash you with theres.

Registered User
dieselcrackel's Reviews

08-12-2006, 09:40 AM
IPF Fatboy H4 Bulbs
Pros: Super easy to install. Way brighter then silver stars.
Cons: none
Recommended? Yes

Comments: As mentioned b4 may have to re-aim so you don't blind on coming traffic. High beams are almost like having spot lights.
I was using silver stars and replaced those twice at $20 a peice=$80 in less then a year. This set up only cost $135 shipped to my door and installed in 15 minutes.Highly recommend these without spending alot of money!

#20 Home Depot

Frequent flyer
#20 Home Depot's Reviews

08-06-2006, 10:02 PM
IPF Fatboy H4 Bulbs
Pros: Great light output and easy to install.
Cons: None
Recommended? Yes

Comments: I highly recommend this light upgrade.


Ask Mr. Owl
MattTheMudder's Reviews

08-01-2006, 11:20 PM
IPF Fatboy H4 Bulbs
Price: $83.00
Pros: Very powerful, affordable compared to HID upgrades, whiter light, long range
Cons: May or may not be street legal in your area
Recommended? Yes

Comments: Awesome bulbs, I used these in combination with IPF's Lense upgrade. They're very bright and powerful, but need to be properly aimed so that they dont blind oncoming drivers. I installed heavy duty wiring (also from IPF) so that the increased electrical draw didnt overload the factory wiring

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