HKS Downpipe Extension Kit RB26DETT (Not for GTIII Sport Turbine Kit HKS GTR BNR32 BCNR33 BNR34 RB26DETT 1418 RN005 Evasive Motorsports: HKS BCD Piston Kit STEP 2 (Bore: 86.5) Nissan HKS RB26DETT Forged Short Height Piton Kit 87mm JDM Heart HKS RB26 GT R BNR32 BCNR33 BNR34 RB26DETT 14018 AN005. HKS Extension Kit Part #: 1418 RN005 Overview The HKS RB26DETT Extension Kit is a specialized upgrade designed for Nissan Skyline models BNR32, BCNR33, and BNR34 equipped with the RB26DETT engine. This kit is engineered to optimize the turbine's performance by improving exhaust flow and reducing power loss caused by the stock exhaust configuration. It is ideal for enthusiasts and tuners seeking to enhance turbo response and overall engine efficiency. By refining the exhaust flow dynamics, this extension kit helps support consistent boost levels and reliable power delivery, making it a valuable addition for performance focused builds. Key Features This extension kit features precision machined components crafted from high quality materials to ensure durability and reliable performance. Its design aims to optimize exhaust flow within the turbine housing, reducing interference between the main port and bypass port. The kit is engineered for straightforward installation, providing a seamless fit with the stock turbo system. Its compact design helps maintain the integrity of the turbine housing while supporting improved boost stability and response. The kit's construction ensures long lasting performance under high temperature conditions typical of turbocharged engines. Construction & Design The HKS Extension Kit is constructed from durable, heat resistant materials designed to withstand the demanding environment of turbocharged applications. Its precise machining ensures a perfect fit, facilitating optimal exhaust flow and minimizing turbulence within the turbine housing. The design focuses on enhancing the efficiency of the turbine by reducing pressure buildup and improving wastegate operation. Driving Feel & Feedback By optimizing exhaust flow, this kit helps improve turbo response and boost stability, resulting in a more immediate and consistent power delivery. Drivers can experience smoother acceleration and more predictable engine behavior, especially during high performance driving or tuning sessions. Installation & Fitment Installation requires removal of the existing turbine housing components and precise fitting of the extension kit. It is recommended for those with technical experience or professional installation to ensure proper alignment and sealing. Fitment should be verified against the vehicle's specifications and the part number provided. Whats Included The package includes the extension components necessary to modify the turbine exhaust housing, designed specifically for the RB26DETT engine in Nissan Skyline models. Hardware and mounting accessories are included to facilitate installation.