k&n

  1. R

    Secondary air door/A.K.A Flapper door Experiment

    I thought I would start a new thread because we were getting a little off topic in the Dead Pedal issue. To summarize my last post, I tried to prove, using math, that the the demands of the engine were greater than what the under-hood induction system (UHIS) could provide.Hence, the need for a...
  2. S

    Aftermarket Air Filter - K&N

    Hi everyone, I am so excited with my new 2012 Genesis 3.8, loaded it up with both option package, and just received delivery of it yesterday. Did anyone installed a K&N air filter in their Genesis sedan before? Care to share your good or bad story. What kind of MPG you get after the...
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