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Intake Issues
After deleting my 2018 Cummins I decided to put on a S&B cold air intake. Truck ran great before intake install, had no power and very sluggish after install.
I checked wiring no less than 4 times all seemed fine as far as that goes, good connections on all sensors.
Took intake off and put stock intake with K&N filter back in and it ran great again. I don't get it!
Sending this thing back to Summit for a refund not messing around with it any more.
Anyone ever have an issue with these intakes?
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Re: Intake Issues
I have seen different response for each item sold, depends on vehicle and use.
I have the S&B and nothing changed. Others got a taste of increase in mpg's, and like you, others were negative.
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Re: Intake Issues
Glad you could return it.
Stock air-box is one of the best engineered pieces provided stock.
It flows way more than the motor needs.
Is the K&N dry filter?
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Re: Intake Issues
The K&N is one you spray the oil on after cleaning it.
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Re: Intake Issues
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Re: Intake Issues
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Re: Intake Issues
@DRD wouldn't he need to be retuned for the new intake?
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Re: Intake Issues
Ray said the tuning is not changed when using an S&B intake vs the stock intake.
I was going to get a new MAS and try it but @ 200.00 and special order thru parts house I decided to put the stock set up back on and try it.
Glad I did because the truck went back to running great again.
I know tons of people use these without issue but my issue was real for sure.
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Re: Intake Issues
Yes this one was a mystery to me. Tuning is the same for a S&B intake vs a stock intake.
Also we have many customers running S&B intakes with no issues, so again I'm baffled.
Ray,
Double R Diesel
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Re: Intake Issues
If you don't mind me asking, how do you like the K&N filter?
Have you experienced any type of "dust" getting by?
Have you checked the intake tube right before the turbo?
I've had great success with a completely open K&N filter on other off-road vehicles that see conditions that are considerably more dirty than this on road rig.
I'd really like to put my K&N back in just haven't heard if they will filter the air as required.
I'm eager to hear your experience.
Thanks,