Duramax Diesels Forum Truck of the Week
Old 05-22-2018, 10:46 PM
dieselfan dieselfan is offline
Join Date: Jul 2013
Location: Ga
Posts: 104

I have the Opt7 LED bulbs and I'm very pleased with their performance. They are a lot better than the stock bulbs.
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Old 05-23-2018, 04:05 AM
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Nathan. Nathan. is offline
Join Date: Mar 2015
Location: Blue Springs, MO
Posts: 266

I use 35W HID's in the low beam and LED's in the high beam. The LED high beams don't seem to emit as much light as an HID but at least there is no warm up time. I will say though, my LED's are pretty old so there are probably way better ones now. As far as the HID's go, I have been using these DDM tuning HID's for 5 years without any problems.
2005 Sierra CC LLY
2006 Jetta TDI BRM
2014 Harley Davidson Street Glide Special
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Old 05-23-2018, 06:05 AM
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zakkb787 zakkb787 is offline
<thatís not me...
Join Date: Sep 2014
Location: Granite Falls NC
Posts: 1,512


I used morimoto in my lb7. Very expensive and well built, but they weren’t as bright as I wanted. I tried opt7’s top of the line and they weren’t as well built but were just as bright and cheaper. The brightest ones I’ve had were a cheap eBay brand called mostplus. Supposedly 120w (year right) but had 4 COB elements and were insanely bright with a nice scatter. And they only cost me $30. They only lasted a year but they actually warrantied them
2006 LLY CC/SB LT3 mostly stock

Other toys:
1982 K10 6.2 Detroit diesel/sm465/np205 with 4 inch lift and 35s. Fixed and driving again
2011 Yamaha YFZ450X
2003 Yamaha YZ250
2003 Kawasaki Z1000
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