This intake collector has been designed to be optimal for tuned engines (400hp to 600hp), with the diameter and length of the intake pipe and the cross-sectional shape of the collector reconsidered. The amount of air flow is improved to distribute air more evenly to each cylinder, improving torque at mid-range. As the amount of air intake is improved between the front and rear cylinders, the difference in exhaust temperature at the turbine inlet between them is reduced, and the air-fuel ratio and ignition timing are optimized to improve power and fuel efficiency. Installation is a bolt-on type that does not require any additional processing (throttle linkage and throttle sensor adjustments are required, however). This product comes with the "First Generation NISMO Logo Metal Emblem Set."
Specifications:
- Collector volume: 4.1L (genuine = 3.4L)
- Intake pipe diameter: φ43 → φ45 tapered (genuine = φ45)
- Intake pipe length: 73.8mm (genuine = 48.5mm)
- Material and manufacturing method: Aluminum casting
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Included emblem (first generation NISMO logo)
- Silver (base) + Black (logo) x 1
- Silver (base) + Blue (logo) x 1
- Size: 25 x 100 mm
- Material: Stainless steel
- Tape fastening type
Fits:
- All Skyline GT-R (BNR32, BCNR33, BNR34)