Z1 High Flow Race Intake Upgrade Kit for Z1 or Stillen Gen 3 - Z1 Motorsports - Performance OEM and Aftermarket Engineered Parts Global Leader In 300ZX 350Z 370Z G35 G37 Q50 Q60
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Z1 High Flow Race Intake Upgrade Kit for Z1 or Stillen Gen 3

starstarstarstarstar 5/5 - (1 Reviews)
Fits models: 350Z / 370Z / G35 / G37

Product Description

The Z1 High Flow Intake Upgrade for Z1 Cold Air Intakes or Stillen Gen 3 Intakes adds larger filters and velocity stacks which allow for better airflow producing even more power gains than the intakes alone. This upgrade has produced 5+ RWHP consistently on several Z's with dyno tune. As you can see from the dyno graph below, this upgrade produces more horsepower and torque across the entire RPM range. 

Click to view full size

Z1 High Flow Intake Filters are larger in diameter than the filters originally included with your intake. They also have an inverted cone in the center constructed of filter material where the original filters are blocked off. The large diameter and inverted cone provide more filter surface area allowing an increase in available air flow.

Z1 High Flow Velocity Stacks provide a contour for the increased air flow to enter the intake tract. This contour in addition to the inverted cone in the filter helps direct the air flow into the tube allowing the least amount of turbulence to occur. This equates to the most even flow of fresh air into your engine maximizing the potential of your cold air intake.

This intake is now CARB legal for road use in California. For information on replacement stickers, CLICK HERE.

Carb Legal EO: D-849

Includes:

  • 2 x Z1 High Flow Intake Filters
  • 2 x Z1 High Flow Velocity Stacks
  • 2 x 3" Velocity Stack Adapters
  • 2 x Silicone Adapter Couplers
  • 4 x Coupler Clamps
  • 1 x Detailed Installation Manual 

This upgrade requires the modification of the aluminum crash bar. Details on the modification necessary are outlined in the installation manual: 350Z Installation Manual, 370Z Installation Manual

Z1 offers this modification as an option below. If you choose the modification option, you must send in the bar to be modified. We will not send your order out until we receive and modify your core. This process could take up to 10 business days to complete once your core is received.

DO NOT operate your vehicle with this bar removed. The aluminum crash bar provides SAFETY, structure and support for the front of your vehicle.

Installation and Dyno Tuning available here at Z1 Motorsports!

Available Options:

Please review the product description if you are unsure about any of the options below.

Coupler Color: Include: Intake Type: Year / Model:

Quantity:

Price: $198.00
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Coupler Color:Include:Intake Type:Year / Model:
Z1 High Flow Race Intake Upgrade Kit for Z1 or Stillen Gen 3
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$198
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Z1 370Z / G37 Cold Air Intake Kit - CARB LEGAL
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What our customers say

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Corey
December 30, 2017
Purchased this upgrade with the Z1 cold air for my 2007 g35 sedan (vq35hr). Install required removal of the front bumper. As with any mod, fitment is not perfect. the driver side breather nipple on the kit should probably be bent a little but i got mine to work as is with some work. Other than that fitment was damn near perfect. i chose to trim the core support, but with this kit you don't have to (which is nice). Upgraded filters fit WITHOUT crash bar modification on this year G sedan. i decided to make a custom bracket to hold the filters in place securely. if you don't the will sit on the crash bar as the tubes are silicone that far up and can't support the weight. After some adjustment the filters fit perfect. Car started no problem and i let it idle for a few minutes. First impressions, Felt additional power immediately. All season tires will let go now with a 1-2 shift. Power at higher RPMs felt like it it it would trail off before and now that seems to be gone. The low end torque feels more robust. love it so far. I have a base line Dyno number. I will be taking it to dyno as soon as i can, then i will tune it and find where it truly sits. Never put the filters that come with the cold air kit on car, so I have nothing to compare these to. I will update this with the increased dyno number. A DEFINITE MUST BUY.