{"product_id":"perrin-front-mount-intercooler-boost-tube-kit-for-2015-2021-wrx-2","title":"Perrin Front Mount Intercooler Boost Tube Kit Red 2015-2021 WRX","description":"\u003ch3\u003ePerrin Front Mount Intercooler Boost Tube Kit Red 2015-2021 WRX | 2.25\"-2.75\" Diameter | Boost Tube Kit\u003c\/h3\u003e\n\n\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eThe Perrin Front Mount Intercooler Boost Tube Kit is a precision-engineered upgrade designed specifically for the 2015-2021 Subaru WRX. This kit replaces the restrictive OEM boost tubes with larger diameter, smooth mandrel-bent aluminum tubing to optimize airflow between the turbocharger, front mount intercooler, and throttle body. It is ideal for WRX owners seeking to improve charge air volume and reduce pressure drop without extensive modifications or mandatory tuning.\u003c\/p\u003e\n\u003cp\u003eCrafted with CNC mandrel bending, the boost tubes feature a stepped diameter design that transitions from 2.25 inches at the turbo outlet to 2.75 inches near the intercooler and throttle body. This design minimizes turbulence and ensures smooth airflow transitions, which are critical for maintaining consistent boost pressure and enhancing throttle response. The tubes are finished with a durable red powder coat that provides corrosion resistance and a clean, performance-oriented appearance under the hood.\u003c\/p\u003e\n\u003cp\u003eReal-world benefits include a proven increase of 10 to 20+ wheel horsepower across various power levels due to improved charge air cooling and reduced restrictions. The kit maintains OEM clearance for easy installation and reliable operation without requiring ECU tuning, although additional gains can be unlocked with proper calibration. This makes it a practical and effective upgrade for Subaru WRX enthusiasts who value a balance of performance, reliability, and OEM+ fitment.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures \u0026amp; Specifications\u003c\/h4\u003e\n\u003cp\u003eThis Perrin Performance Front Mount Intercooler Boost Tube Kit is engineered for the 2015-2021 Subaru WRX and features stepped 2.25” to 2.75” diameter aluminum tubing. Constructed from lightweight CNC mandrel-bent aluminum, it delivers improved airflow and boost response for Subaru enthusiasts seeking enhanced intercooler efficiency and power gains.\u003c\/p\u003e\n\u003cul style=\"list-style:none;padding:0;margin:0;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Perrin Performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Front Mount Intercooler Boost Tube Kit Red\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PSP-ITR-437-3RD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 2015-2021 Subaru WRX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Powder Coated Red\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e CNC Mandrel Bent Tubing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Not Specified\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoost Tube Diameter:\u003c\/strong\u003e 2.25” (Turbo Outlet) to 2.75” (Intercooler\/Throttle Body)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Gains:\u003c\/strong\u003e +10-20+ Wheel HP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTuning Required:\u003c\/strong\u003e No (Recommended for Additional Gains)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eKey Benefits\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Increases airflow efficiency and reduces pressure drop for measurable horsepower gains.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Designed specifically for 2015-2021 WRX with direct bolt-on installation and OEM clearance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Powder coated aluminum tubing resists corrosion and maintains appearance over time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Includes custom CNC-machined brackets and upgraded coolant and washer tanks for seamless routing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValue:\u003c\/strong\u003e Provides significant power improvements without mandatory ECU tuning, making it accessible for stock setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality:\u003c\/strong\u003e Precision CNC mandrel bending ensures smooth airflow and reliable sealing at all boost levels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Perrin Front Mount Intercooler Boost Tube Kit Red\u003c\/li\u003e\n  \u003cli\u003e1× Perrin Coolant Overflow Tank (Powder Coated)\u003c\/li\u003e\n  \u003cli\u003e1× Perrin High Capacity Washer Fluid Tank (6061 Aluminum)\u003c\/li\u003e\n  \u003cli\u003e1× Set of CNC Machined Aluminum Direct Mount Brackets\u003c\/li\u003e\n  \u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp\u003eThe Perrin Boost Tube Kit offers a straightforward installation process with direct bolt-on brackets and upgraded coolant and washer tanks to accommodate the new routing. While the installation is generally DIY-friendly for those with moderate mechanical experience, professional installation is recommended to ensure proper fitment and sealing. No special tools beyond standard hand tools are required. This kit does not require ECU tuning to realize power gains, but additional tuning is recommended to maximize performance if other modifications are present.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Recommended for best results\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModifications Required:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVerify Compatibility:\u003c\/strong\u003e Confirm fitment for your specific 2015-2021 WRX model and trim level\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eShop with confidence at Subimods—your Subaru parts specialists.\u003c\/p\u003e","brand":"Perrin Performance","offers":[{"title":"Default Title","offer_id":46574239318191,"sku":"PSP-ITR-437-3RD","price":882.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/3598\/4815\/files\/perrin-front-mount-intercooler-boost-tube-kit-red-2015-2021-wrx-psp-itr-437-3rd-3768860.jpg?v=1771630091","url":"https:\/\/subimods.com\/products\/perrin-front-mount-intercooler-boost-tube-kit-for-2015-2021-wrx-2","provider":"Subimods.com","version":"1.0","type":"link"}