Description

The HKS TURBINE SUCTION KIT serves as a specialized, high-flow intake system engineered exclusively for integration with the GT5565_BB FULL TURBINE KIT. Consequently, it provides optimized airflow delivery and intake temperature management for extreme competition applications.

Designed as a mandatory supporting component for maximum-performance turbo systems, this kit features a 70mm direct-attachment suction pipe alongside radiator-grille-mounted air filter placement. Moreover, it employs a dual-filter strategy for different usage environments.

Through its strategic placement and specialized components, it ultimately achieves critical performance benefits—stabilizing intake air temperatures during sustained high-load operation while simultaneously delivering the distinctive sporty induction sound that enhances the racing experience.

Product Highlights

🌀 Direct-Connection Design for GT5565_BB Turbo Systems
Engineered specifically for seamless integration with HKS’s full turbine kits, this suction system features a 70mm aluminum pipe that attaches directly to the turbo compressor inlets. As a result, it eliminates adapters and restrictions while ensuring optimal flow characteristics for high-horsepower applications.

🌡️ Radiator Grille Placement for Temperature Stabilization
Strategically positioning the Power Flow filter inside the radiator grille area provides direct access to cooler, denser ambient air. This placement is critical for maintaining consistent intake temperatures during circuit sessions and, furthermore, prevents heat soak that can otherwise reduce power output in competition environments.

🎵 Sporty Induction Character with Performance Focus
Beyond mere airflow improvements, this system intentionally delivers a distinctive yet moderate sporty intake sound. Therefore, it enhances driver engagement without being excessively loud—providing auditory feedback that ultimately complements the extreme power delivery of the GT5565_BB turbo system.

🔄 Dual-Filter Strategy for Different Usage Scenarios
Including both competition-optimized and street-usable filter options demonstrates HKS’s comprehensive engineering approach. Specifically:

• Competition: Single-layer gray filter (from Special Setup Kit 14020-AN014) for maximum flow

• Street/Testing: Included wet double-layer red filter for increased filtration with acceptable flow restriction

Technical Specifications

Product Name: TURBINE SUCTION KIT

Model Code: 14021-AN001

Compatibility: Exclusive integration with FULL TURBINE KIT GT5565_BB R35. Additionally, it fits Nissan GT-R R35 (VR38DETT, 07/2007 – 08/2025).

System Specifications:

• Suction Pipe: 70mm diameter aluminum construction

• Filter Placement: Radiator grille position for optimal air temperature

• Connection: Direct attachment to HKS turbine kit compressor inlets

• Silicone Components: Φ70 silicone hose and hose band included

Filter Options:

• Included: Wet double-layer red filter (street/testing use)

• Recommended for Competition: Single-layer gray Power Flow filter

• Replacement Compatibility: Φ150 replacement filter, wet type, 2-layer compatible

Performance Philosophy

Goal: To provide optimized intake airflow and temperature management specifically tailored to the extreme demands of the GT5565_BB turbo system. Consequently, it ensures consistent power delivery during sustained competition use while maintaining appropriate filtration for different operating environments.

Focus: Direct-flow efficiency, intake temperature stabilization, system integration with flagship turbo kits, and appropriate filtration strategy based on usage context. Ultimately, this represents the final component in creating a completely optimized forced induction system from air filter to exhaust tip.

Installation & System Integration

🔧 Engine Removal Required – Professional Installation Essential
As with the full turbine kit it supports, installation requires complete engine removal. Additionally, professional modification of stock components—including water pipes and turbo heat insulation—is essential.

⚠️ Mandatory System Requirements:

• Primary Requirement: Must be used exclusively with the FULL TURBINE KIT GT5565_BB

• Competition Classification: Removes catalysts and, therefore, is not compliant with road regulations

• No Warranty: Not covered by dealer warranty due to extreme performance application

• Supporting Systems: Requires comprehensive fuel, engine management, and cooling upgrades

🛠️ Essential Supporting Components (Not Included):

• Turbo System: GT5565_BB FULL TURBINE KIT

• Engine Internals: 4.3L STEP Pro block with bearing service

• Fuel System: High-flow surge tank and pump upgrade

• Cooling: GT1000SPEC intercooler with full piping

• Management: F-CON ECU and EVC boost controller required

🎯 Application-Specific Filter Strategy:

• Circuit Racing/Time Attack: Use single-layer gray filter for maximum airflow

• Street Testing/Tuning: Use included wet double-layer red filter for increased protection

• Public Roads: Technically not permitted due to competition classification

System Synergy & Performance Benefits

⚡ Complete Airflow Optimization:
Working in concert with the GT5565_BB turbos, GT1000SPEC intercooler, and full piping system, this suction kit completes the optimized airflow path from atmosphere to combustion chamber. Accordingly, it eliminates bottlenecks throughout the entire intake tract.

🌬️ Temperature Management Advantage:
Radiator grille placement exploits the highest-pressure, coolest air available while minimizing heat transfer from engine bay components. Consequently, this is critical for maintaining consistent air density during extended competition sessions.

🔊 Acoustic Enhancement Without Compromise:
The carefully tuned intake resonance provides satisfying auditory feedback. As a result, it helps drivers monitor engine load and turbo response without creating excessive noise that could violate track day regulations.