Akrapovic Sound Kit

2020–2021 BMW M340i / M440i

Part #: P-HF1351

Overview

The Akrapovic Sound Kit is an innovative accessory designed for select BMW M340i and M440i models, allowing you to customize the exhaust sound directly from the cockpit. This system is perfect for enthusiasts who want the flexibility to switch between a quiet, refined driving experience and a more aggressive, sporty exhaust note at the push of a button. Whether you're daily driving or seeking a more spirited driving experience, the Sound Kit enhances your vehicle's auditory presence without compromising on quality or reliability.

Using advanced Akrapovic technology, this kit provides a seamless way to control your exhaust sound, giving you the ability to tailor your vehicle's acoustics to match your mood or driving conditions. The system integrates effortlessly with your existing exhaust setup, offering a sophisticated solution for those who desire both comfort and performance-oriented sound profiles.

Key Features

The Akrapovic Sound Kit is engineered with precision and high-quality materials to ensure durability and optimal performance. Key features include:

• Electronic valve control system that allows for quick and reliable switching between sound modes.
• Includes a receiver that drives actuators to open or close exhaust valves, enabling dynamic sound adjustments.
• Compatibility with the included Sound Remote Controller and a dedicated smartphone app (available for iOS and Android), providing convenient, wireless operation.
• Designed to integrate seamlessly with Akrapovic exhaust systems, maintaining the factory fit and finish.
• Utilizes advanced actuator technology to deliver precise control over exhaust sound levels and tone.
• Constructed with durable, high-quality components to withstand the rigors of daily driving and spirited use.
• Allows owners to enjoy a quieter cabin during daily commutes or unleash a more aggressive exhaust note during spirited driving or track days.
• Easy installation with minimal modifications required, making it suitable for both enthusiasts and professional installers.

Filter Options

This Sound Kit is an electronic control system designed specifically for select Akrapovic exhausts. It does not include filters or media options but focuses solely on sound modulation through valve control technology.

Construction & Design

The Akrapovic Sound Kit features a compact, robust receiver unit that interfaces with your vehicle's existing exhaust system. The system employs high-precision actuators and electronic controls to ensure reliable operation and longevity. The components are engineered with durability in mind, utilizing corrosion-resistant materials and weatherproof housings to withstand the elements. The design emphasizes seamless integration, maintaining the sleek aesthetic of your BMW while providing advanced functionality. The system's intuitive interface and wireless connectivity make it simple to operate, giving you full control over your vehicle's sound profile at all times.

Installation & Fitment

The Akrapovic Sound Kit is designed for a straightforward, bolt-on installation. It connects directly to the existing exhaust system and vehicle wiring with minimal modifications. No cutting, drilling, or complex tuning is required, making it suitable for DIY enthusiasts or professional installers. The included components are engineered for a precise fit, ensuring reliable operation and long-term durability. Once installed, you can easily operate the system via the dedicated remote control or smartphone app, providing quick and convenient sound adjustments on the go.

What's Included

• Electronic valve control receiver
• Wireless remote controller
• Smartphone app compatibility (iOS and Android)
• Wiring harnesses and mounting hardware
• Installation instructions

Ideal For

• BMW M340i and M440i owners seeking customizable exhaust sound
• Enthusiasts who want to switch between quiet and sporty modes effortlessly
• Drivers looking to enhance their vehicle's auditory presence without sacrificing reliability
• Those who appreciate advanced electronic control systems and seamless integration