Features: Crafted from aluminum alloy, this adapter is lightweight, capable of withstanding high temperatures and harsh conditions while optimizing airflows for improved engine response. For automotive enthusiasts, professional racers, and auto technicians seeking to upgrades vehicle performances with precise engineered parts. Perfect for engine modification projects, racings event, or enhancing everyday driving experiences by significantly improving acceleration response and driving stability. Each adapter undergoes precise machining to ensure excellent sealing and mechanical strength, minimizing air resistance and maximizing ventilation efficiency for superior engine support. The throttle body have a larger bore than your stock throttle body allowing your engine to make more power. Specifications: Component:Aluminium Alloy Type: Throttle Body Adapter Color: Silver Installs in less than 30 minutes Works with RBC and RRC intake manifolds For K20 K24 We recommend port matching your intake manifold to 70mm and tuning with a Flashpro to maximize power and drive ability. Expect to pick up between 2-10hp depending on the other modifications you have installed. Package Includes: 1 Set Throttle Body Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.