HKS HI-POWER SPEC-L2 GXPA16 G16E-GTS

2016–2023 Subaru G16E-GTS / Subaru WRX / Subaru STI 2.0L Turbo

Part #: 31019-AT114

Overview

The HKS HI-POWER SPEC-L2 GXPA16 G16E-GTS muffler is a high-performance exhaust component designed for enthusiasts seeking to elevate their vehicle's sporty character and overall driving experience. Crafted with precision and attention to detail, this muffler combines aggressive sound, lightweight construction, and customizable aesthetics to suit your personal style and performance goals. Whether you're a street driver looking for a refined yet sporty exhaust note or a performance enthusiast aiming for improved power delivery, the HI-POWER SPEC-L2 delivers on all fronts.

Built specifically for the Subaru G16E-GTS engine found in the latest WRX models, this muffler enhances your vehicle's exhaust flow while maintaining a sleek, race-inspired appearance. Its innovative design ensures a perfect fit and optimal performance, making it an ideal upgrade for those who want to stand out on the street or track. With its JASMA-compliant construction, you can enjoy a refined sports sound that balances loudness with civility, suitable for daily driving and spirited runs alike.

Key Features

The HKS HI-POWER SPEC-L2 GXPA16 G16E-GTS muffler boasts several advanced features that set it apart from standard exhaust components:

• Customizable Tip Finisher Cover: Allows you to select from different materials and styles, enabling a personalized look that complements your vehicle's aesthetic.
• Ultra-Lightweight Construction: Achieves an impressive weight reduction of 30–60%, significantly decreasing unsprung mass and enhancing handling dynamics.
• Advantex Wool Silencers: Equipped with high-quality Advantex wool, these silencers provide a refined, sporty exhaust note while effectively reducing drone and noise levels.
• High-Performance Design: Engineered for optimal exhaust flow, the muffler helps support increased horsepower and torque, improving overall engine responsiveness.
• JASMA Compliance: Meets Japanese Automotive Standards for street use, ensuring a balance of performance, durability, and legal compliance.
• Sporty Aesthetics: The sleek, polished finish and customizable tips give your vehicle a bold, race-inspired appearance that turns heads.
• Durable Materials: Constructed from high-quality stainless steel to withstand harsh conditions and maintain appearance over time.

Construction & Design

The HKS HI-POWER SPEC-L2 muffler features a meticulously crafted design that emphasizes both performance and style. Its lightweight, high-grade stainless steel body ensures durability and corrosion resistance, making it suitable for daily driving and spirited use. The muffler's internal structure incorporates Advantex wool silencers, which are known for their excellent heat resistance and sound absorption qualities, resulting in a refined yet aggressive exhaust tone.

The customizable tip finisher cover is made from premium materials, allowing owners to tailor the exhaust's appearance to match their personal preferences. The design employs mandrel-bent piping and TIG-welded joints for precise fitment and optimal exhaust flow, minimizing backpressure and supporting power gains. The overall architecture of the muffler is optimized for a balanced blend of performance, weight savings, and aesthetic appeal.

Installation & Fitment

The HKS HI-POWER SPEC-L2 GXPA16 G16E-GTS muffler is designed for straightforward bolt-on installation. It utilizes factory mounting points and OEM-style connections, ensuring a secure fit without the need for cutting or welding. No additional tuning or modifications are required, making it a hassle-free upgrade for your Subaru G16E-GTS engine. The process typically involves removing the stock muffler and replacing it with the HKS unit, allowing you to enjoy improved performance and sound in minimal time.

• Direct bolt-on replacement for factory exhaust system
• No cutting, drilling, or tuning required
• Includes all necessary hardware and mounting components

What's Included

• HKS HI-POWER SPEC-L2 muffler body
• Customizable tip finisher cover
• All necessary clamps and mounting hardware
• Installation instructions

Ideal For

• Subaru WRX G16E-GTS owners seeking a performance and aesthetic upgrade
• Enthusiasts wanting a lightweight, high-flow exhaust system
• Drivers desiring a refined, sporty exhaust sound with personalized styling options
• Street and track day enthusiasts looking for improved throttle response and power