HPS Silicone Air Intake Kit Post MAF Hose

2013–2020 Subaru BRZ 2.0L H4, 2017–2020 Toyota 86 2.0L H4, 2013–2016 Scion FR-S 2.0L H4

57-1231-BLUE / 57-1231-RED

Overview:

The HPS Silicone Air Intake Kit Post MAF Hose is a high-quality replacement for the restrictive OEM rubber air intake hose found on Subaru BRZ, Toyota 86, and Scion FR-S models within the specified years. Designed for enthusiasts seeking improved throttle response and reliability without the need for tuning, this kit enhances your vehicle’s performance while maintaining factory airbox efficiency.

Constructed from durable, high-temperature reinforced silicone, this intake hose resists heat soak and prevents common issues such as vacuum leaks and bad idling caused by cracked or collapsed stock hoses. It is an ideal upgrade for daily drivers and performance enthusiasts alike who want a reliable, bolt-on solution that delivers measurable gains.

Key Features:

This silicone air intake hose kit offers several advantages over the factory rubber hose, combining durability with performance benefits:

• Replaces the stock restrictive rubber intake tube with a high-temperature 4-ply reinforced silicone hose for optimized airflow and heat dissipation.
• Delivers dyno-proven performance gains, including an increase of approximately +1.4 wheel horsepower and +1.2 ft-lbs of torque, along with improved throttle response.
• Integrates seamlessly with the factory fresh air scoop and airbox to direct cool air efficiently to the engine, reducing heat soak.
• Constructed from HPS Performance’s signature race-proven high-temperature reinforced silicone for long-lasting durability.
• Includes industrial-grade 100% stainless steel heavy-duty T-bolt clamps for secure and reliable installation.
• Prevents or resolves common issues such as bad idling and air vacuum leaks caused by damaged or collapsed OEM rubber air injection hoses.
• Compatible with OEM hoses and does not require any tuning or modifications, ensuring a hassle-free upgrade.
• Maximum temperature rating of 350°F, exceeding original equipment specifications.

Construction & Design:

The intake hose is engineered from high-temperature reinforced silicone with a 4-ply construction, providing superior resistance to heat, cracking, and collapse compared to the factory rubber hose. This material choice ensures consistent airflow and durability under demanding engine bay conditions.

The kit includes heavy-duty stainless steel T-bolt clamps that maintain a tight seal and resist corrosion over time. Designed to fit precisely without modification, the hose preserves the factory airbox’s design and airflow path, maintaining optimal engine cooling and performance.

Performance & Sound

• Dyno-tested to provide a measurable increase in horsepower (+1.4 whp) and torque (+1.2 ft-lbs) without any engine tuning.
• Improves throttle response for a more immediate and engaging driving experience.
• Reduces heat soak in the intake tract, helping maintain consistent engine performance during spirited driving.

Installation & Fitment:

This HPS silicone intake hose kit is designed for a direct bolt-on installation using factory mounting points and OEM air inlets. No cutting, drilling, or special tuning is required, making it an easy upgrade for both professional installers and DIY enthusiasts.

The kit comes with a detailed step-by-step installation manual featuring clear pictures and instructions to guide you through the entire process.

What's Included:

• High-temperature 4-ply reinforced silicone air intake hose
• Industrial-grade 100% stainless steel heavy-duty T-bolt clamps
• Step-by-step installation manual with clear instructions and images

Ideal For:

• Subaru BRZ, Toyota 86, and Scion FR-S owners seeking improved intake durability and performance
• Daily drivers wanting to fix vacuum leaks and bad idling caused by OEM hose failure
• Performance enthusiasts looking for a reliable, no-tune upgrade that enhances throttle response and power
• Anyone aiming to reduce intake heat soak while maintaining factory airbox efficiency

Emissions Note

This product is not street legal in all US states and is not legal for sale or use in California. It is not TUV approved for European markets. Please verify local regulations before installation.