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K&N Panel Filter Before/After Dyno Video

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Old Nov 14, 2016 | 09:47 PM
  #16  
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Originally Posted by 4doorfury
I hate to say this but I call BS. I did the same testing and gained 2-3 peak whp and same wtq. This was 3 back to back with stock filters, 3 without filters, 3 with k and n. The biggest bump was with no filters where I got about 5 whp but same 2-3 wtq as k and n. Also, the filter he uses in the video is a fram and not genuine infiniti.
Interesting difference...
Could you post your dyno graph? I would like to compare shape of the HP & torque lines.

Is your G37 have RWD or AWD and auto or manual tranny?
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Old Nov 14, 2016 | 09:49 PM
  #17  
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The original dyno of with and without air filters is in my build thread. With the filters in I don't have because the guys computer wasn't able to print that day and I also almost lost my car because a strap broke. Ghetto dyno ftl
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Old Nov 14, 2016 | 09:52 PM
  #18  
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^^^ Wow, very fast reply
Glad your car didn't slide off the dyno...

I will have a look at your build thread.
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Old Nov 14, 2016 | 10:07 PM
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It did fall off thankfully it was an in ground dyno and the car just fell sideways on the rollers. Thought it was going to rip my tire apart but didn't.
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Old Nov 14, 2016 | 10:54 PM
  #20  
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Just looked at your dyno and your dyno operator made a mistake.

Your correction factor is shown as "SAE 1.00", BUT it can't be if the temperature is 91.7, 30.18 pressure with a humidity of 38%. The SAE correction factor is 1.00 when temp is 77 degF, pressure is 29.234 inHg and humidity is 0%.

Your results are at least 2-3% higher than graphed. (Assuming the dyno operator didn't screw with anything else like over tightening a strap)

You might want to get your car dynoed again at a different shop. I suspect you will be happy with the result.
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Old Nov 14, 2016 | 10:57 PM
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Oh for certain. I won't be going back there ever again. Either way though, no changes were made except the removal of the filters and the gains were negligible. In fact, after back to back pulls, the numbers with filters and without started to be exactly the same. This dyno I also showed no gains at all with r2c intakes installed.
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Old Nov 15, 2016 | 09:25 AM
  #22  
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Originally Posted by 4doorfury
Oh for certain. I won't be going back there ever again. Either way though, no changes were made except the removal of the filters and the gains were negligible. In fact, after back to back pulls, the numbers with filters and without started to be exactly the same. This dyno I also showed no gains at all with r2c intakes installed.
By R2C you mean the short ram system, not the drop ins correct?
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Old Nov 15, 2016 | 09:28 AM
  #23  
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Yes. The drop ins were k and n
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Old Apr 11, 2024 | 07:24 AM
  #24  
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I came here from the dyno video, that's extremely surprising results, especially with 0 tuning
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Old Apr 11, 2024 | 04:02 PM
  #25  
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Our cars respond well to K&N filters, Silicon Intakes and a resealing of the area where the intake meets the radiator support.
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