SKU: 9519219588

Stillen 09-20 Nissan 370ZDual Hi Flow Ultra Long Tube Air Intake (Gen 3) [Z34]Dry Filter 402852DF

Sale price$278.10 Regular price$309.00
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Description

Stillen 09-20 Nissan 370ZDual Hi Flow Ultra Long Tube Air Intake (Gen 3) [Z34]Dry Filter 402852DFNissan 370Z Gen 3 Air Intake Product Features Ultra Long Mandrel Bent Polished Aluminum Intake Tubes Do Not Use Oil and Provide Low Restriction Increased Throttle Performance and Horsepower Easy to Clean and No Need to Re Oil BENEFITS: CARB EXEMPT EO# D436 22 17. 5 RWHP 13 WTQ Gain For Enhanced Acceleration* Designed and Manufactured at STILLEN HQ and Inspected Multiple Times to Ensure Quality and fit Fits both 370Z and 370Z Nismo Models Fits NISMO

Nissan 370Z Gen-3 Air Intake Product Features

  • Ultra Long Mandrel Bent Polished Aluminum Intake Tubes
  • Do Not Use Oil and Provide Low Restriction
  • Increased Throttle Performance and Horsepower
  • Easy to Clean and No Need to Re-Oil

BENEFITS:

  • CARB EXEMPT EO# D436-22
  • 17.5 RWHP / 13 WTQ Gain For Enhanced Acceleration*
  • Designed and Manufactured at STILLEN HQ and Inspected Multiple Times to Ensure Quality and fit
  • Fits both 370Z and 370Z Nismo Models - Fits NISMO models with slight modification
  • Includes Detailed Installation Instructions (Nismo Modification Instructions Not Included)
  • Relocated Air Intake Inlets For True Cold Air Induction
  • Increased Airflow & Filtration Efficiency Can Improve miles per gallon (MPG)
  • Improved in throttle response across the rev range
  • Simple Installation - Easy Enough To Do in Your Driveway!
  • Visually improves the appearance of your engine bay Runs Great on Stock Tune - No CEL, No Tune Needed!

*Results May Vary!

 

Increase engine performance with the STILLEN GEN 3 Air Intake for Nissan 370Z Z34. The GEN 3 features the most optimal horsepower and torque gains. This STILLEN Nissan 370Z Air Intake has a polished finish. This Z34 370Z intake provides a better air flow to the engine with the smooth surface tubing construction.

STILLEN was the first national performance tuner to introduce a high flow cold air intake for the Nissan Z34 and Infiniti VQ37 equipped cars. Our first cold air high flow air intake system offered a small gain in power accompanied by great sound enhancement. Economical and easily installed, our original Gen 1 Cold Air Intake was an instant hit with the Z community.

Not long after, we introduced our Gen 2 Long Tube Intake. It improved on the Gen 1 unit with polished tubes, even better sound and a bump in power. It also quickly became one of our best-selling air intake kits. However, the power output was still lower than we knew we could pull out of the VQ37HR. The haters and doubters insisted "you can't make power with an intake on the VQ35HR/VQ37HR!"... so, we set out to prove them wrong, and build the best darn intake for the 370Z the world had ever seen.

This led us to the development of our Generation 3 Ultra Long Tube Cold Air Intake Kit for the Nissan 370Z. At STILLEN, all our products are both designed and manufactured right here, in house in Costa Mesa, CA, which gives us the ability to test numerous configurations and fine tune our designs until we achieve the desired results. When you take that into account as well as our extensive, Championship-Winning experience racing, you understand why STILLEN was able to succeed where others failed.

Our R&D team engineered and dyno tested more than 50 variations before settling on this design as the best solution available for the VQ37HR engine.

The Gen 3 intake has a radically updated design that provides dramatically better power than any intake on the market for the VQ37 equipped vehicles - as a matter of fact, the kind of power we were able to pull out of the HR-series VQ engines is unheard of among performance intakes for non-turbo/non-SC'd cars.

We altered the intake layout quite a bit- our Gen III Long Tube Cold Air Intake for 370Z features an integrated system of variable diameter tubing and steps to maximize air velocity, including additional internally polished tubes that pass through the front core support for superior airflow and as few 'turns' as possible in the intake tract between the filters and throttle. The new Ultra Long Tube Cold Air Intake strategically places two large AEM filters ahead of the radiator, exposing them to the coldest-possible incoming air while also making the filters still easy to service.

The end result: A dyno-proven 17.5 Horsepower (WHP) and 13 ft/lb (WTQ) gains on the 370Z - This translates to an estimated 20-22 horsepower gain at the flywheel. Again, let us emphasize here, this is on the STOCK ECU TUNE. No other cold air intake for the VQ can match these power gains - PERIOD.

Recommended installation requires removal of the front fascia clip and slightly enlarging the holes through the front core support. Youcan install this intake system without removing the bumper, but this makes your install harder than it has to be - take our word for it, it's easier to remove the bumper.

It's worth saying that removing your front bumper doesn't require a master body technician - it's actually pretty simple. Just basic hand tools and a 'panel popper' (plastic retainer remover) are all you'll need to drop the bumper.

Pro-Tip: Set your bumper on a soft blanket or the grass or something soft to prevent scratches while working. Of course, if you're not comfortable with installation, professional installation is recommended if you're unsure of your ability to install this intake.

 

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 9519219588

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Ditto503
Chelsea, US
★★★★★ 5
Protects your mattress from toddler spills!
Size: Full, Size: Full
Writing this after my toddler spilled a ton of water on my bed (a new mattress). I didn't realize what she had done for about 1 minute. By the time I got her off the bed, pulled the sheet off and pulled the mattress protector off, the mattress was still dry! I felt the bottom plastic part of the mattress protector and could feel the coolness of the water, but not dampness. This thing works! Note, I don't know how it would perform if I had left it for a really long time. The protector is also very soft on top, not noisy, and easy to stretch over the mattress. You can kind of see the square shapes of the protector through the sheet, but I personally don't care. It was a great buy.
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Reviewed in the United States on March 25, 2026
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Bought this for my husband birthday gift he loves
Birmingham, US
★★★★★ 5
Quality
Size: King
Fits perfectly quality of money,comfortably,
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Reviewed in the United States on May 13, 2026
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Mark Taylor
Charlottesville, US
★★★★★ 5
Great fit deep pockets
Size: Queen
Fits a deep queen mattress really well
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Reviewed in the United States on April 22, 2026
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Jean
Lake Worth, US
★★★★★ 1
Fit
Size: Queen
Would not stay on the bed
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Reviewed in the United States on April 23, 2026
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Amazon Customer
Chelsea, US
★★★★★ 5
Good fit
Size: Queen
Covered the mattress well. It was not noisy. Sheets are wee bit oversized and the the cover helps keep the sheets from sliding around. Kids are older so it’s more for the pets. I do recommend it.
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Reviewed in the United States on March 2, 2026

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