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  • STILLEN 402834 Hi-Flow Intake Kit With Z-Tube - 03-07 G35 Coupe / 03-06 G35 Sedan / 03-08 FX35
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STILLEN 402834 Hi-Flow Intake Kit With Z-Tube - 03-07 G35 Coupe / 03-06 G35 Sedan / 03-08 FX35

by Stillen

Price: $309.99 & FREE Shipping
In Stock.
Ships from and sold by Concept Z Performance.
  • Z-Tube Constructed of Roto-Molded Plastic; Connections For All Factory Breather Tubes
  • Increased Throttle Response, Adds 11HP Sedan, 5HP Coupe
  • Genuine K&N Air Filter w/ 1,000,000 Mile Warranty
  • Eliminates Factory Baffling, Increasing Flow Efficiency; Limited Lifetime Warranty
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Product Information

Technical Details
BrandStillen
Item Weight19 pounds
Manufacturer Part Number402834
  
Additional Information
ASINB000O3XP96
Best Sellers Rank #254,692 in Automotive (See top 100)
Shipping Weight19 pounds (View shipping rates and policies)
Date First AvailableFebruary 1, 2006
  
Warranty & Support
Warranty, Parts: Parts

Product Warranty: For warranty information about this product, please click here
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Product Description

The intake tract on the G35 and FX35 was not designed for maximum performance. The 350Z, which shares its engine with these vehicles, is equipped with a much more efficient intake tube that is interchangeable with the G35 and FX35. OEM parts are expensive, however. The STILLEN Z-Tube offers all the performance of the 350Z tube without the high OEM price tag.

Z-TUBE

Made of rotomolded plastic, this product has excellent insulation qualities. This helps to isolate incoming air from engine heat, resulting in a colder intake charge and increased power. Use this with the stock airbox or for maximum gains add the STILLEN Hi-Flow Intake, our part #402835.

INTAKE

Due to the different states of tune of each model, the intake (independent of the Z-Tube) adds 11 horsepower at 6,100 RPM to the G35 Sedan and 5 ponies at 5,700 RPM to the Coupe. Comprised of a high-quality polyurethane intake port, washable and reusable cotton filter element, and STILLEN's signature Aluminum Venturi Ring, the Intake draws air from outside the engine bay.

The Venturi ring acts as a velocity stack, speeding up and directing the airflow into the intake chambers, making more useable and noticeable power.

The Intake System also lends a more aggressive tone to the G35 when pressed, but remains unobtrusive at idle. Every magazine has been impressed with the G35's performance characteristics; and the STILLEN Hi-Flow Intake System is the perfect way to add an edge to yours.

Z-TUBE / INTAKE COMBO

The Z-Tube / Intake Combo package is the affordable way to upgrade the entire intake tract, combining the Z-Tube (Part #403235) and Hi-Flow Intake (Part #402835) in one convenient part number.


Customer Questions & Answers

Customer Reviews

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Most Helpful Customer Reviews

4 of 4 people found the following review helpful By Rodrigo Diaz Espinoza on April 22, 2014
Verified Purchase
I replaced a low quality aftermarket intake on my G35 with the Stillen. The difference is really noticeable, especially the noise which start shining from 4K rpms and up. Power-wise I can feel better throttle response and a slight increase in power at high RPMs. I haven't checked mpg yet but some people claim it improves mpg as well. Keep in mind that most specialized sites agree that Stillen kit and the z-tube+Pop Charger combo are the only ones dyno-tested to reliably and consistently get hp gains (~5 hp).

Remember this kit has two different components: the intake itself and the z-tube. I recommend getting the two for maximum performance. If you want the sound and some power increase just get the intake, but to maximize gains get the z-tube that is made of special plastic for improved thermal isolation and therefore cooler incoming air into the engine for better combustion. The filter supposedly has a 1.000.000 miles warranty, which will be obviously difficult to check! but the brand is K&N which makes the finest air filters for automotive. And, it is reusable through oil-based cleaning according to instructions.

Three things to keep in mind: 1) you DO NEED to have the OEM couplers that were originally used to adapt the OEM air intake cleaner.Otherwise, you won't be able to install it. You can try to get those on ebay but they usually come with whole part. I contacted stillen they did not offer alternatives. 2) the filter is encased in a thermal-insulated polyurethane box that need to be fitted to the OEM center-front air intake duct, so try not to remove/discard this part as well. 3) installation is easy (1-2 hrs). Just make sure to handle very carefully the MAF (mass air flow unit)

Hope this helps!
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Verified Purchase
Great product. Easy to install. Just make sure you have the stock couplers. Small hp gain on top end. I guess it's worth the price.
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By Deng vue on March 20, 2015
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