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K&N Air Filters Added to Stock Air Boxes??

I am probably going to add the JWT cold air intakes (pop chargers) when I hit 10k miles along with a Nismo cat back. In the mean time, has anyone

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Old 04-16-2013, 02:05 AM   #1 (permalink)
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Default K&N Air Filters Added to Stock Air Boxes??

I am probably going to add the JWT cold air intakes (pop chargers) when I hit 10k miles along with a Nismo cat back. In the mean time, has anyone seen any improvement with adding K&N filters to the stock boxes? I have a 2013 w/7 SP AT.
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Old 04-16-2013, 05:10 AM   #2 (permalink)
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Check this out
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Old 04-16-2013, 06:46 AM   #3 (permalink)
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........... or ask your Mom.
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Old 04-16-2013, 08:45 AM   #4 (permalink)
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Dyno proven to give you 5hp over stock with the drop in filters

Stay away from the NISMO cat back, go with aftermarket like fast intentions instead

Next time use the search feature as these questions have been answered 100's of times already, hence the smart *** answers from others
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Old 04-16-2013, 09:11 AM   #5 (permalink)
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I am probably going to add the JWT cold air intakes (pop chargers) when I hit 10k miles along with a Nismo cat back. In the mean time, has anyone seen any improvement with adding K&N filters to the stock boxes? I have a 2013 w/7 SP AT.
You need the silicone hoses too in combination with the filters. You get a small gain in HP/tq. You don't feel added hp, but you can feel the torque, also a significant improvement in throttle response. The best part about that set up is the small bump is throughout the range 1500-7000rpm. so you're using your little 5-8hp whenever you need it. Not just at mid/high rpm's.

I almost did the JWT with silicones, but i feel the jwt is to high up in the engine compartment. You'll be sucking in hot engine air, not fresh outdoor air.
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Old 04-16-2013, 02:37 PM   #6 (permalink)
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oh and dont forget to put in a couple of these...

Tornado Air :: More Power, More Mileage!



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Old 04-16-2013, 03:20 PM   #7 (permalink)
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oh and dont forget to put in a couple of these...

Tornado Air :: More Power, More Mileage!



I have 6 of these in my car. I am getting better gas mileage than Prius and beating Aventadors left and right! Best investment I have ever made!
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Old 04-16-2013, 03:44 PM   #8 (permalink)
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dayam.. i heard if you put them in the exhaust it acts like a turbo. can you confirm that?
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Old 04-16-2013, 05:08 PM   #9 (permalink)
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Default K&N

unknown370? What is this "silicone hoses", to go with the drop in K&N air filters?
I looked on K&N's website, but only saw the cold intake with aluminum tubes.
Thanks
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Old 04-16-2013, 07:18 PM   #10 (permalink)
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Originally Posted by TexasChuck View Post
What is this "silicone hoses", to go with the drop in K&N air filters?
Z1 Silicone Post-MAF Intake Hoses
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Old 04-17-2013, 02:07 AM   #11 (permalink)
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Quote:
Originally Posted by 280z/300zx View Post
Dyno proven to give you 5hp over stock with the drop in filters

Stay away from the NISMO cat back, go with aftermarket like fast intentions instead

Next time use the search feature as these questions have been answered 100's of times already, hence the smart *** answers from others
There is nothing wrong with a Nismo exhaust on a base model for an upgrade. Allot cheaper then the other aftermarket alternatives. Sounds, looks, and performs better over stock set up. Not huge by any means but I curtently don't have thousands to spend.

I'm also going with drop in k&n filters and tubes.
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Old 04-17-2013, 07:48 AM   #12 (permalink)
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With no other changes I got 6 or 7 WHP.

Same dyno, did a pull, swapped filters, did another pull.

(New) Factory Nissan filters.

You don't need the tubes to see gains.
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Old 04-17-2013, 07:50 AM   #13 (permalink)
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Oh, and the Nismo cat-back, assuming you mean off of a Nismo 370, and not one of their 'S-Tune' or whatever exhausts, is good for another 10-15 WHP.

If you can get one cheap (Sub $500) then you're getting the best bang for buck, by far.

Just that exhaust + drop ins will get you close to 295whp on most Dynojets, after the car has had some time to run in the learned fuel data.
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Old 04-17-2013, 08:32 AM   #14 (permalink)
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I have this set up in my Z. My numbers are similar to everyone else that has the same or similar mods with an UpRev tune. My whp would be higher if I didn't install M-370 manifold, but my tq number would not be has high. It's the best way to go if you are looking to save money on increasing your performance IMHO.
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Old 04-17-2013, 08:48 AM   #15 (permalink)
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The NISMO exhaust is only worth about 7-8hp over stock. It costs only a few hundred less than fast intentions but doesn't give the same 15-18hp that fast intentions does. Again, this has been discussed and dyno proven in the past. I'm not saying the NISMO exhaust is horrible; it's well made and does perform better than stock. What I am saying is that for the money spent there are better options. My stock NISMO exhaust is hanging in my garage while my fast intentions is on my car. Sounds better, lighter, and performs better.

Remember, the NISMO exhaust isn't the only thing giving the NISMO extra power, there is also a better tune and higher rev limit. Those who did the swap but in 2009 when the car first came out only say 7-8hp gains on a stock regular 370z.
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