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Added protection for Made In China, Cummins ISX. Helps reduce wear metals from circulating through engine. Does not reduce carbon/darkening of engine oil.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
The best thing I have ever done ?
By 
Andy, 
a 
Verified Buyer 
from 
Valley View tx 
on 
March 08, 2019
This filter backs up my the other engine oil filter I highly recommend anyone who runs a isx Cummins needs more oil filtration by far it's the best thing I have ever done to help my Motor
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
i will buy often
By 
none, 
a 
Verified Buyer 
from 
Oliver B.C Canada 
on 
February 24, 2019
its a oil bypass filter. helps keep oil clean longer.
Bottom Line
Yes, I would recommend this to a friend.
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2 star rating
Thought it would keep oil cleaner
By 
BJ, 
a 
Verified Buyer 
from 
South Gate, CA 
on 
February 15, 2019
Was easy to install, however it does not seem to keep oil as clear as I expected. Maybe because I put it on a 7.3 diesel
Bottom Line
No, I would not recommend this to a friend.
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5 star rating
Great product!!!!!
By 
Henry, 
a 
Verified Buyer 
from 
San Diego, Ca 
on 
February 14, 2019
Installed the bypass system on my 2105 F450 with the purpose of extending my oil changes from 7-10k miles to 12-15k. Prior to installation, I sent a base oil sample (w/ 3k miles) to be tested for comparison...can't wait to see the results. Ease of installation was a plus when deciding which system to use.
4300 miles in a 7.3 diesel and it's still CLEAR. I don't even understand it. It would become black within 50 miles before, even with the best filters.
Bottom Line
Yes, I would recommend this to a friend.
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4 star rating
bypass filters
By 
Dave, 
a 
Verified Buyer 
from 
Ft. Lupton CO 
on 
December 07, 2018
Just put a bypass filter on a little Kubota B2650 with 100 hrs. on it when I changed the oil for the second time. Keeps the oil from going black and gritty after 5 seconds without it. Have 16 hrs. on the oil and it is almost as clean as when I put it in. Have them on over the road trucks & will not be without one again.
I installed the bypass filter system on my 2007 Duramax recently. Drove 2000mi to North Dakota. Checked the oil and was amazed at how clean the oil looks. Normally already very black at this mileage. I am very pleased with this system. Well worth the money. Used a Mad Jack mounting bracket. Made for a very easy install.
You can't see it working but, just knowing that your engine oil is being filtered much better than just your regular filter is capable of makes me feel good. Giving my expensive engine a much better chance for longevity. Worth every penny!
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