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  1. High Performance
    Just had a random idea, want to see if it makes sense: Basically, would installing a pair of air scoops at the lower bumper, with hoses ducted up into the stock airbox/ending right next to the CAI appreciably cool incoming air to the engine/improve performance by any appreciable margin...
  2. Engine and Technical Discussion
    I got to thinking, and I wonder: If you have a K&N intake, with the heat shield, you're basically pulling air from the side of the hood, where it meets the fender, as well as from the gaps around the edges of the shield within the engine compartment... So, what if you installed a small hood...
  3. Engine and Technical Discussion
    I am in need of some assistance. While inspecting the underside of my 2013 Optima LX, I found the broken remnants of two parts that appear to have been some manner of air dams, deflectors, forward of the rear wheels, but inboard of the two dams in front of the wheels themselves. Removing these...
  4. 4th Generation Optima (2016 - 2020)
    I wanted to know where the vent intake is because I have very very small amount of air coming out of the vents The fan is running full speed but very little air is coming out.
  5. 3rd Generation Optima (2011 - 2015)
    I think this may have been discussed here before but if so, I couldn't find it. The issue is, when the sunroof is open, if you put the AC on recirc mode, after a few minutes, it automatically switches back to fresh air mode. This is described here in the Stinger forum...
  6. Interior and Exterior Modifications
    https://imgur.com/a/MjmRDJM Here is a screen shot of the oem parts of an Optima front bumper. Items #9-12 deal with the air ducts, my question is can I get away with only buying #11 and keep the remaining structure of the current setup, or would I need to buy all 4 parts? Any help would be...
  7. Engine and Technical Discussion
    I was hoping to find a CAI for my 2016 SXL with the 2.0T engine and havin a gard time finding one. Airaid doesn't appear to make one. Auto Zone & Advance Auto doesn't have a reference for one on a 2016 2.0T even though the K&N website shows a model 33-5057 when I do a vehicle search for my car...
  8. The Service Center
    Hi all, Having problems with my AC airflow. It started with the dash servo/clicking noises back in the fall. After trying the temp changes or vent direction changes I found the noise to be coming from when the airflow was moved from head to toe. So, I ordered the new actuator and put it in...
  9. Engine and Technical Discussion
    I have a 11 optima lx of course with the 2.4, ive gone through so far 2 intakes to test and see if the hesitation i was getting was because of the ebay branded intake or not. I first bought the cold air intake on ebay for 99 bucks shipped right? Okay, install went flawless car sounded great, but...
  10. 4th Generation Optima (2016 - 2020)
    We had a cool front here in Texas that brought the temps down from the middle 90's to as low as the low 50's in the morning, and my 2.0 turbo really enjoyed it. We all know the denser air carries more of a fuel/air charge, but it's fun to actually FEEL it when you press the accelerator pedal! :D
  11. 4th Generation Optima (2016 - 2020)
    HI...thanks for the help in the past and looks like I still need some help. 2016 SXL and when changing oil, I do use the OEM Kia filter without question. I live about 2 hours away from the nearest dealer and either through them or other Kia dealers that are on the net, to get the OEM engine and...
  12. Engine and Technical Discussion
    Not sure if this relates, but back story is I had a small accident a couple months back. The bumper is cracked right underneath the bottom light. At the time it seems the only thing damaged as a result was the temperature gauge for the outside temperature. Air and everything else has been fine...
  13. The Service Center
    Hi everyone, I went to local autozone and other auto stores nearby my house and there is nothing on getting an air filter and cabin air filter for my 2016 Kia Optima Lx-T. I don't want to go to my local Kia shop just to purchase a $50 air filter. Might as well get a K&N Air filter for that...
  14. K5OS - 2016-2020 Kia Optima Products
    Is excited to present another great product to the forum: 2016-2020 Kia Optima 2.4L K&N Typhoon Intake System (BUY NOW) FREE SHIPPING WITHIN THE CONTINENTAL US Description: Built for performance and show, the 69 Series Typhoon™ Air Intake System is a free-flowing mandrel-bent aluminum tube...
  15. 4th Generation Optima (2016 - 2020)
    My 16 SXL Cabin Filter shows Part # - 97133-C1010 (F178LFDBA) to its right -- and the Engine Filter Part # is TBD. EDIT: 4/28/17: The Box from Dealer Parts shows # D5C79AC000, which has multi-Google results, too, and is the # I'm sure Parts Dept uses. Surprised at $30 + tax at Dealer BUT...
  16. 3rd Generation Optima (2011 - 2015)
    Does anyone know anything about this CAI from tuners depot? https://www.tunersdepot.com/2011-kia-optima-cold-air-intake-system/spyder-cold-air-intake-system-red-2.4l-4cyl-124411.html I'm wondering if it's any good
  17. 4th Generation Optima (2016 - 2020)
    Well, I picked up yet another Optima. This is my 3rd one. This time I picked up a new SXL. I still have my 2015 SXL sitting in the garage but going to get rid of it. I figured I would install the LED Air Vents since there doesn't seem to be a ton of people with them. My new wheels and...
  18. The Service Center
    I bought a 2011 optima for the wife in January. I don't normally drive the car, but the other day I noticed that the air bags light is lite. I don't even know where to start to trouble shoot the problem. I have a Carfax and it shows the car is clean and no accidents. any ideas?
  19. 4th Generation Optima (2016 - 2020)
    So I ordered the one from Amazon they said was correct and it did not fit (https://www.amazon.com/gp/product/B00CT2YDLE/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1). So I searched for the part number on the stock air filter (28113-C1500) and it found this on Amazon...
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