Description
Product Fitment:
2004-2021 Subaru STI
Eliminate airflow bottlenecks and unleash the full potential of your high-horsepower Subaru build with the IAG 82mm Bosch Throttle Body Upgrade Kit—engineered for 600+ HP applications.
Features:
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Includes genuine Bosch 82mm throttle body – 36% larger bore than stock
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Enables higher airflow volume needed for big turbo and front-mount intercooler setups
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IAG adapter plate allows clean integration without cutting or major fabrication
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Includes plug-and-play wire harness for easier installation with standalone ECUs
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Adapter plate CNC-machined from 6061 billet aluminum
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Available in anodized black or raw silver for a sleek, corrosion-resistant finish
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O-ring sealed for leak-free fitment to intake manifold
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Ideal for use with Process West or Corsa Veloce intake manifolds
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Requires stand-alone engine management system
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Custom tuning is mandatory for proper throttle scaling and idle control
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Not compatible with OEM-style MAP sensors
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Additional custom piping/fabrication may be required depending on intake layout
What’s Included:
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(1) Bosch 82mm Throttle Body (Silver Finish)
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(1) IAG Aluminum Adapter Plate (Black Finish)
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(4) M6x45mm Socket Head Cap Screws
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(4) M6x20mm Socket Head Cap Screws
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(4) M6 Flat Washers
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(4) Small O-Rings
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(2) Large Adapter Plate O-Rings
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(1) Wire Harness Adapter for Bosch Throttle Body
Recommended For:
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Subaru builds targeting 600+ horsepower
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Front-mount intercooler setups
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Custom intake manifolds and big turbo conversions
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