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  1. The Service Center
    So I've been trying for a few days to source some new plugs for my 2014 SX turbo, and the only place I can find a set is a Kia dealer who needs to special-order them in at $48 PER PLUG. No thanks, especially since they won't lube it up first! :lipsrsealed: I've found that NGK's website(s) do...
  2. 3rd Generation Optima (2011 - 2015)
    2011-2015 Optima-K5 Bolt-On Turbo Kit - Shark Racing I thought this didn't exist for the 2.4L engine :) :) but it does it does :) :)
  3. New Member Introductions
    Hi folks, I am unable to post in any thread here except this one. (Sent a message for help; no reply after 24 hours.) I am hoping to get input on the constant thumping my Optima makes when in motion. The other symptom is that when cruising before it's fully warmed up, the engine first is...
  4. Interior and Exterior Modifications
    As I'm driving home tonight with the windows down I decide to stop by Sonic for their half price milkshakes. Mind you, I live in SC where the humidity is always 80% or higher and its usually around 80 degrees even at night. I get my milkshake and put it in the cupholder and make my short...
1-4 of 4 Results