HPS Performance Products 837-573BL Cold Air Intake Kit

The HPS Blue Cold Air Intake Kit, part number 837-573BL, is engineered specifically for the 2015-2021 Subaru WRX and WRX STI models equipped with the 2.5L Turbo engine. This intake system relocates the HPS Performance Air Filter outside the engine compartment, ensuring cooler air inlet temperatures that enhance performance.

Key Features

• Delivers proven performance gains of +19.4 Whp and +20.5 Ft/lbs of torque.
• Improves throttle response while maintaining a safe air-fuel ratio.
• Constructed from lightweight, mandrel-bent aluminum alloy tubing that replaces the restrictive stock air box for optimized airflow.
• Includes a heavy-duty powder-coated steel heat shield to block hot air from the engine compartment.
• Equipped with HPS signature reinforced silicone hoses and industrial-grade 100% stainless steel T-bolt clamps for durability under extreme driving conditions.
• The washable and reusable HPS Performance Air Filter provides excellent filtration without compromising airflow.
• Installation is straightforward with a comprehensive manual featuring clear images and instructions; no tuning or modifications are required.
• An air straightener is included to minimize the chance of a check engine light (CEL).

Specifications

• Product Type: Performance Air Intake
• Series: 837 Series
• Color: Blue
• Vehicle Type: Sport Compact
• Tubing Material: Aluminum
• Air Filter Type: Cone
• Replacement Air Filter SKU: HPS-4275

Fitment

• Subaru WRX STI 2.5L Turbo (2015-2021)
• Subaru WRX 2.5L Turbo (2015-2021)

The HPS 837-573BL Cold Air Intake Kit is a solid upgrade for those looking to enhance the performance of their Subaru WRX or WRX STI. With its focus on airflow efficiency and cooling, this kit is designed to meet the demands of both daily driving and spirited performance.