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  1. High Performance
    Has anyone out there installed all of the frame enhancement parts for the Optima? Found Here: PRODUCT - KIA - OPTIMA K5 (TF) 2010-2015 - Ultra Racing USA, LLC - Chassis Tuning Specialist If so, how has this affected your vehicle's overall performance? Can one of our experts comment on what...
  2. Engine and Technical Discussion
    Basically I have a K-Vin and I wonder the specifications on the exhaust and what is different between the US-Built and Korean Built test-pipes for something like the Megan Racing MR-CC-HYS11 which claims to only fit US-Built optimas. Are the differences small and workable? or are the sizes and...
  3. 3rd Generation Optima (2011 - 2015)
    Hey guys just recently found a company called shark racing that seems to have a lot of performance and custom parts sepcifically for hyundai and kia vehicles. My Question is has anyone heard ofthem or used any parts and have feedback. From what im reading they do a lot of fabrication work i even...
  4. Engine and Technical Discussion
    I am considering getting the brand new Kia ECU that is then tuned by blood type racing. I just wanted to find out from anybody that has gone this route what the pros and cons are as it pertains to: does it change the miles on the odometer when installed and then back to previous mileage when...
  5. 4th Generation Optima (2016 - 2020)
    They list 2010+ Optima for items such as their intake, downpipe and FMIC kit. Has anyone tried any of these on a 2016+? Their prices are lower than something like the KSR performance I was looking at. The KSR FMIC was "2016 specific" although it needed some fab and was not a simple bolt-on...
  6. K5OS - Suspension
    Is excited to present another great product 2011-2020 Kia Optima BC Racing BR Coilovers (BUY NOW) FREE SHIPPING WITHIN THE CONTINENTAL US Description: BC Racing has come through to present their premium line of coilovers for Kia and Hyundai vehicles. The BC Racing BR series coilovers are...
  7. K5OS - Suspension
    Kia Optima/Hyundai Sonata Megan Racing EZII Series Coilovers - K5 Optima Store Is here to present the: Kia Optima/Hyundai Sonata Megan Racing EZII Series Coilovers​ (BUY NOW) Description: These EZII Series of coilovers offer a more conservative amount of adjustability, without...
  8. Wheels, Tires and Suspension
    Ultra Racing strut tower bar installation and review. Post deleted
  9. Wheels, Tires and Suspension
    Hello there fellow Optima enthusiasts. I have a 2012 SX and have been running Megan Racing coils for some time now. but they are giving out now.. I ran about over 50K with them now and starting to hear squeaky sounds coming from front passenger side.. Figures its time for new set of coils...
  10. Wheels, Tires and Suspension
    The final, yet preliminary result.... optimacoiloverside by jestmaty, on Flickr Stock for comparison... optimasmexy by jestmaty, on Flickr
  11. Engine and Technical Discussion
    Hey fellas, just wanted to know your thoughts and opinion on this kit for our K5 as I'm looking into it. Anything would help with pros and cons, thanks in advanced! http://imgur.com/a/sBNx6
  12. Engine and Technical Discussion
    If anyone is running one of these, could you post up a video. Interested to hear what it sounds like on a SX and couldn't find any on YouTube. Only had a bunch of fords.
  13. Interior and Exterior Modifications
    So basically long story short i cracked my default 2013 SXL grill, needed a replacement so I went to you guys to find me nice grills, ended up falling in love with this one : 2011-2013 Optima-K5 Grill - Type MR - Shark Racing end up buying it, and every body shop I have brought it to has told...
  14. Wheels, Tires and Suspension
    So I was wondering if the settings on the top of the coilovers is correct? The right side is going in towards the engine bay and the left side is going away from the engine bay. Shouldn't they both be set to the same setting in the same direction? Is this for camber for these settings? Please...
  15. K5OS - Suspension
    Is proud to bring to the Optima community: TruHart Kia Optima/Hyundai Sonata Sport Shocks/Struts Combo (BUY NOW) Description: When you install a set of lowering springs on your Optima or Sonata, the OEM factory shocks & struts take much more abuse then normal. This is due to the fact that...
  16. Engine and Technical Discussion
    Hey guys , what are your thoughts on this? And are there any other brands we can use to have a FMIC on our cars instead of a Wagner inter cooler upgrade? I like the look of the inter cooler inside the front bumper visual...
  17. Interior and Exterior Modifications
    So I was in the market for a new grill for my 2013 SXL when I cracked mine in the winter. I ordered the Type MR grill from shark racing 2011-2013 Optima-K5 Grill - Type MR - Shark Racing I loved the way it looked so I ordered it, it came in the mail, I didnt want to put it on until summer...
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