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  1. Engine and Technical Discussion
    I barely get any sound to come out after I installed it. I can hear it but it is barely noticeable. Def not what I have heard from videos on the internet. I had the K5 store install the flange for me so everything should have just bolted right on. I bought some 4mm hoses from the auto parts...
  2. 4th Generation Optima (2016 - 2020)
    Finally took the leap and dropped some money on the chip and plugs. Couldn't be happier especially since there's a Fourth of July deal going on. Woo bring on the parts!!
  3. 3rd Generation Optima (2011 - 2015)
    I am looking to part with these and pass them along to someone new. Lap3 uncle Chip + custom box - $565 Add W1 oil catch can with bracket and upgraded hoses - $85 HKS Plugs [new - I purchased two sets. These run so nice] - $110 Prices include shipping to the lower 48.
  4. DIY Projects
    Hello guys! I installed the HKS BOV version 4 today in my 2016 Optima. Had to do some moving around with the vacuum tubes and sensors but I got it installed mostly. Only thing is I can't tighten down the bottom left hex nut that came in the kit. There simply isn't enough room to get an allen...
  5. Engine and Technical Discussion
    Howdy fellow 2.0t enthusiast... so I got my self the HKS SSQV 4 from K5 during the holiday sale and as the title states. As soon as I almost hit peek boost it drops considerably then climbs back up a few psi...it has also purged under throttle/WOT on me... .....sigh...any ideas anyone?
  6. Engine and Technical Discussion
    Hi Guys! it's a short clip cus it was from my instagram. just revving and quick acceleration, wish the exhaust popping noises can be heard louder. not sure if you guys saw my other videos but right now i do not have my injen intake installed.. took it out temporarily, i have the factory intake...
  7. Engine and Technical Discussion
    Has anyone seen anything like this before? I just got the plugs with a lap3 chip and had alot of misfires so i took the chip off and still had misfires. The took out the plugs and this is what I found.
  8. Engine and Technical Discussion
    Hey guys I just got my BOV in the mail and was wondering about the hookup.. Is it basically just straight forward the way it is on the stock one.. Just extending the hoses cause I have to move solenoid or?? I read on a genesis forum about bypassing the solenoid and going straight to the intake...
  9. K5OS - Performance
    Presenting the forum community with the: HKS Super SQV4 Limited "Black Edition" BOV Kit (BUY NOW) Description: Limited "Black Edition" Authentic HKS Super Sequential Blow Off Valve Version 4 Don't be fooled by cheap imitations as they don't compare to the quality & performance of an authentic...
  10. New Member Introductions
    Hello all in need of a little help. I sent my btr V2 tune back in to get the new firmware I got it back no instructions in box only instructions on website I plugged module into car and paired them then when I put thumb drive into my laptop there were no files on it. Idk what to do now. Is the...
  11. K5OS - Performance
    Is proud to present to the Optima community The HKS M45XL Super Fire Racing Spark Plugs (BUY NOW) Description: Upgrade your factory spark plugs with these performance series racing spark plugs from HKS These HKS M45XL Spark Plugs are designed to handle the most advanced levels of tuning These...
  12. K5 Optima Store
    So was just about to order this BOV from the website and I saw a phone number..... So being nosy and all I called it, to my amazement "David" answered. Figured it would just be a "leave a message", we spoke for about 15 to 20 minutes about this BOV and other options. Also how to install and...
  13. Pictures and Videos
    Had a busy day yesterday getting these installed along with my led interior lights and swapping out the spark plugs to the ngk 1422s... Throttle response has def increased and the bov speaks to the kid in me. I can't wait for my next project
  14. K5OS - Performance
    Here to present the forum community: HKS Super SQV4 BOV Kit (BUY NOW) Description: Authentic HKS Super Sequential Blow Off Valve Version 4 Don't be fooled by cheap imitations as they don't compare to the quality & performance of an authentic HKS BOV It's pull type relief design ensures...
  15. Engine and Technical Discussion
    Hey guys. I currently have the HKS BOV installed. While browing the forums, I found this picture that casey2136 posted: Just wondering what, if anything that K&N filter would do when there's already a BOV installed? Would it make it louder or something?
  16. Classified Forum
    Hi all, I'm selling my HKS BOV. It's in excellent condition and is fully functional. Includes all parts needed for install and original box. Ready to ship when payment is received. Asking for $290 shipped or best offer. You can email me for more info at ntena75@gmail.com
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