HPS Silicone Air Intake Kit Post MAF Hose

2013–2020 Subaru BRZ 2.0L H4 (Base, Limited, Premium, Sport-tech, and Special Editions)

57-1294

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 models from 2013 to 2020. Designed to maintain the factory sound tube while improving airflow and durability, this kit is ideal for enthusiasts seeking reliable performance gains without the need for tuning or modifications.

Constructed from high-temperature reinforced silicone, this hose resists heat soak and prevents common issues such as vacuum leaks and bad idling caused by cracked or collapsed OEM hoses. Whether you drive daily or enjoy spirited driving, this upgrade enhances throttle response and helps your engine breathe more efficiently.

Key Features:

This silicone air intake hose kit offers several benefits that improve both performance and reliability:

• Replaces the stock restrictive rubber intake tube with a high-heat resistant 4-ply reinforced silicone hose rated up to 350°F.
• Delivers dyno-proven performance gains, increasing horsepower by approximately +1.4 whp and torque by +1.2 ft/lbs while improving throttle response.
• Integrates seamlessly with the factory fresh air scoop and air box to direct cooler air to the engine, reducing heat soak.
• Manufactured using HPS Performance’s signature race-proven silicone materials for long-lasting durability.
• Includes industrial-grade 100% stainless steel heavy-duty T-bolt clamps for secure, leak-free installation.
• Prevents or resolves bad idling and air vacuum leaks commonly caused by damaged OEM rubber hoses.
• Compatible with OEM hoses and does not require any tuning or engine management adjustments.
• Installation is straightforward with a clear, step-by-step manual featuring detailed pictures.

Construction & Design:

The hose is crafted from high-temperature reinforced silicone, providing superior resistance to heat and pressure compared to the original rubber component. Its 4-ply construction ensures excellent durability and flexibility, preventing collapse or cracking over time. The design maintains the factory sound tube function while optimizing airflow for improved engine efficiency.

Heavy-duty stainless steel T-bolt clamps secure the hose firmly, ensuring a tight seal that prevents vacuum leaks and maintains consistent performance under all driving conditions.

Performance & Sound

• Dyno-tested to increase horsepower by +1.4 wheel horsepower and torque by +1.2 ft/lbs without any tuning.
• Improves throttle response for a more immediate and engaging driving experience.
• Helps reduce heat soak, allowing the stock air box to perform efficiently and maintain cooler intake air temperatures.

Installation & Fitment:

This 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 a hassle-free upgrade for Subaru BRZ owners. The included installation manual provides clear instructions and images to guide you through the 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 detailed pictures

Ideal For:

• Subaru BRZ owners seeking improved throttle response and minor horsepower gains without engine tuning
• Drivers wanting to replace worn or damaged OEM rubber intake hoses to fix vacuum leaks and idling issues
• Enthusiasts looking for a durable, heat-resistant upgrade that maintains factory sound and air box performance
• Daily drivers and weekend performance enthusiasts who prefer a reliable, bolt-on solution

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 Europe. Please verify local regulations before installation.

HPS Performance specializes in high-temperature reinforced silicone hoses and related joining solutions—couplers, tubing, and clamps—built for boosted and high-heat engine bays. Used in performance and racing applications, HPS products are designed to meet demanding temperature and pressure conditions for dependable charge-air and coolant routing.