Perrin Front Mount Intercooler Boost Tubes Neon Yellow w/ Black Silicone Couplers 2015-2021 STI | 2.25" Aluminum Tubing | Boost Tube Upgrade
Overview
The Perrin Front Mount Intercooler Boost Tubes are a precision-engineered upgrade designed specifically for the 2015-2021 Subaru WRX STI. These boost tubes replace the factory piping with mandrel bent aluminum tubing, enhancing airflow efficiency and durability. Ideal for STI owners seeking a reliable and visually distinctive intercooler system upgrade, this kit includes neon yellow powder-coated boost tubes paired with black silicone couplers for secure connections without requiring additional tuning.
Built with a focus on quality and performance, Perrin’s boost tubes feature mandrel bent aluminum construction that minimizes airflow restrictions and turbulence. The glossy neon yellow powder coat not only provides corrosion resistance but also adds a striking visual element to the engine bay. Beaded tube ends ensure a tight seal with the included silicone couplers, reflecting Perrin’s commitment to fitment precision and durability.
For Subaru WRX STI enthusiasts, this upgrade improves boost response and system reliability while complementing Perrin’s intercooler cores and piping kits for a fully optimized front mount intercooler setup. The combination of lightweight aluminum and secure couplings delivers tangible performance benefits and an OEM+ aesthetic that enhances the overall ownership experience.
Features & Specifications
This Perrin Front Mount Intercooler Boost Tubes kit is engineered for the 2015-2021 Subaru WRX STI and features 2.25-inch diameter mandrel bent aluminum piping. Constructed from lightweight aluminum with a neon yellow powder coat, it delivers improved airflow and durability for Subaru enthusiasts seeking a reliable and visually distinctive intercooler upgrade.
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Brand: Perrin Performance
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Product: Front Mount Intercooler Boost Tubes Neon Yellow w/ Black Silicone Couplers 2015-2021 STI
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Part Number: PSP-ITR-438-2NY/BK
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Fitment: 2015-2021 Subaru WRX STI
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Material: Aluminum
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Finish: Glossy Neon Yellow Powdercoat (Boost Tubes), Black Powdercoat (Coolant Tanks)
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Construction: Mandrel Bent Tubing with Beaded Ends
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Origin: Made in USA
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Diameter: 2.25 inches
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Included Components: Boost Tubes, Coolant Expansion Tank, Coolant Overflow Tank, Black Silicone Couplers
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Tuning Required: No
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Warranty: 5 Year Manufacturer Warranty
Key Benefits
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Performance: Mandrel bent aluminum tubing reduces airflow restrictions for improved boost response and throttle feel.
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Durability: Powder-coated aluminum resists corrosion and withstands high under-hood temperatures for long-lasting reliability.
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Fitment: Designed specifically for 2015-2021 STI models ensuring a direct bolt-on upgrade with no modifications needed.
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Aesthetics: Glossy neon yellow finish adds a unique and eye-catching look to the engine bay, elevating your Subaru’s visual appeal.
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Reliability: Beaded tube ends and quality silicone couplers provide secure, leak-free connections under boost pressure.
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Value: Includes black powder-coated coolant expansion and overflow tanks for a cohesive and comprehensive intercooler system upgrade.
What's Included
- 1× Perrin Neon Yellow Front Mount Intercooler Boost Tubes
- 1× Black Powder-Coated Coolant Expansion Tank
- 1× Black Powder-Coated Coolant Overflow Tank
- Black Silicone Couplers
- Installation Guide
Installation & Compatibility
Installation of the Perrin Front Mount Intercooler Boost Tubes is moderately complex and recommended for experienced enthusiasts or professional installers. The process involves removal of factory piping and coolant tanks, requiring careful handling to ensure proper sealing and fitment. While no tuning is necessary after installation, special tools may be needed for hose clamp removal and reinstallation. This kit is a direct bolt-on upgrade for 2015-2021 Subaru WRX STI models with no modifications required.
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Professional Installation: Recommended
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Modifications Required: None
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Verify Compatibility: Confirm fitment for your specific 2015-2021 Subaru WRX STI model
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