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Discussion Starter · #1 ·
Would putting a blow off valve sound plate on my Optima have any type of negative effects on the engine over time messing with the air fuel ratio making the engine run rich thus clogging things up over time. Or is the air that is vented back into the intake from the recirculation valve negligible?
 

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2013 Optima LX 2.4L // 2016 Optima SXL 2.0L Turbo
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In theory bypass valve spacer (sound plate) should be worse throttle response, but our Optima's have a baby turbo anyways so performance wouldn't be noticeable.

Regarding the air/fuel ratio my obd gauges tell me I'm running normal.
 

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Discussion Starter · #3 ·
In theory bypass valve spacer (sound plate) should be worse throttle response, but our Optima's have a baby turbo anyways so performance wouldn't be noticeable.

Regarding the air/fuel ratio my obd gauges tell me I'm running normal.
Ok so it won’t make it run rich good and Any ideas on a tuner for the 2016 2.0 turbo?
 

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Your K5 Optima Vendor
2019 Stinger GT1
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The answer to your question is no, putting a sound plate on your Optima will NOT have any negative affects.

We have been selling this product to the Optima/Sonata community for nearly a decade.

Please feel free to read the overwhelming 265+ 5 Star reviews from actual verified customers below.

Kia Optima / Hyundai Sonata BOV Sound Plate - K5 Optima Store
 

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2012 Kia Optima
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3,499 Posts
Would putting a blow off valve sound plate on my Optima have any type of negative effects on the engine over time messing with the air fuel ratio making the engine run rich thus clogging things up over time. Or is the air that is vented back into the intake from the recirculation valve negligible?
Sounds plates are a cheap way to get a knock off BOV sound. If you are considering tuning, you definitely want a real BOV, dont be cheap! As for intake, they're all the same, its mostly looks and sound with K&N and Injen the main two vendors *although there are others). In regards to tuning, you will want to look at lap3usa.com. Have fun!
 

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I recently added similar BOV plate to my 2018 Kia Forte5, now that I am tuning, at higher RPM's this plate is causing a 5-6 lb boost leak, sounds great but a consistent 5-6 lb boost leak. Have to reinstall stock recirc valve. It's only got 20k and never been driven hard, sits in garage.
 
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