Perrin Front Mount Intercooler Boost Tubes Neon Yellow w/ Black Silicone Couplers 2015-2021 STI

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 direct-fit upgrade designed specifically for the 2015-2021 Subaru WRX STI. These boost tubes replace the factory piping with mandrel bent aluminum tubing, improving airflow efficiency and durability. This product is ideal for STI owners looking to enhance their intercooler system’s reliability and aesthetics without requiring additional tuning. Engineered with precision, the boost tubes feature a glossy neon yellow powder-coated finish that not only resists corrosion but also adds a striking visual element under the hood. The mandrel bent aluminum construction ensures smooth airflow with minimal turbulence, while the beaded ends provide secure connections for the included black silicone couplers. Perrin’s attention to detail and quality manufacturing make this a standout upgrade for Subaru enthusiasts. While the core intercooler is not included, these boost tubes are designed to work seamlessly with Perrin’s intercooler cores and piping kits, allowing for a fully optimized front mount intercooler setup. The combination of lightweight aluminum and secure couplings enhances boost response and system reliability, making this an excellent choice for STI owners focused on both performance and style. 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. Brand: Perrin Performance Product: Front Mount Intercooler Boost Tubes Neon Yellow w/ Black Silicone Couplers 2018-2021 STI Part Number: PSP-ITR-438-2NY/BK Fitment: 2015-2021 Subaru WRX STI Material: Aluminum Finish: Glossy Neon Yellow Powdercoat (Boost Tubes), Black Powdercoat (Coolant Tanks) Construction: Mandrel Bent Tubing with Beaded Ends Origin: Made in USA Diameter: 2.25 inches Included Components: Boost Tubes, Coolant Expansion Tank, Coolant Overflow Tank, Black Silicone Couplers Tuning Required: No Warranty: 5 Year Manufacturer Warranty Key Benefits Performance: Mandrel bent aluminum tubing reduces airflow restrictions for improved boost response. Durability: Powder-coated aluminum resists corrosion and withstands heat under the hood. Fitment: Designed specifically for 2015-2021 STI models ensuring a direct bolt-on upgrade with no modifications. Aesthetics: Glossy neon yellow finish adds a unique and eye-catching look to the engine bay. Reliability: Beaded tube ends and quality silicone couplers ensure secure, leak-free connections. Value: Includes coolant expansion and overflow tanks with matching black powder coat for a cohesive 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 considered difficult and is recommended for experienced enthusiasts or professional installers. The kit requires removal of factory piping and coolant tanks, and careful handling to ensure proper sealing and fitment. No tuning is required after installation, making it a straightforward upgrade for stock or lightly modified STIs. Special tools may be needed for hose clamp removal and reinstallation. Professional Installation: Recommended Modifications Required: None Verify Compatibility: Confirm fitment for your specific 2015-2021 Subaru WRX STI model Shop with confidence at Subimods—your Subaru parts specialists.