While it is true that the stock airbox system on the GTR is excellent, through careful testing we were able to develop a system that adds significant mid-range torque and horsepower while improving boost response.
The Harman Motive Intake System draws cool air by placing large conical filters inside the front bumper. It completely replaces the stock airboxes and MAF housings.
The primary parts of the Harman Motive Intake System are the billet MAF housings. Designed and machined in-house, our housings replicate the stock system size with high accuracy. This allows our intake to function without any adjustments to fuel trims or full throttle air/fuel ratio. As such, our intakes will work with the stock ECU or any tuning designed for the stock airboxes.
Installation requires removal of the front bumper. The Nissan bumper is well made and easy to remove/install. No cutting or permanent modifications are required for the installation of this intake system.
The Harman Motive intake sounds incredible on the Skyline. By placing the filters outside the engine bay, air induction and bypass (blow-off valve) can be heard during aggressive acceleration and shifting. However, the intake is quiet during cruise and does not have an annoying "sucking" sound during normal driving.
Features:
Harman Motive Calibrated MAF Housings
100% TIG Welding
6061 Aluminum Construction
Mirror-Polished Finish
No Tuning Required
Does Not Alter MAF Readings or Fuel Corrections
Will Not Trigger "Black Box" or Check Engine Lights
K&N High Flow Filters
100% Made in the USA
Complete Instructions w/ 40+ Pictures (detailed bumper removal instructions)
DYNO TEST
On the dyno, our intake system made +8WHP and +18TQ while improving spool by 300rpm. All testing was performed on the same car on the same day, we never removed the car from the dyno. Tests were performed with the hood closed and the vehicle fully warmed up. You can see a decrease in intake temperatures throughout the run with the Harman intake - an impressive result given the excellent engineering of the stock airbox.
The Harman Motive intake is now a standard stocked product - we'll do our best to have these on the shelves for immediate shipping!
INSTALLATION INSTRUCTIONS BELOW
instructions
Some parts on this site are sold for Racing or Off-Road use only. Check with your local authorities if in doubt of your local regulations.
Product pricing subject to change.
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