Dinan Performance Exhaust

Fits 2015–2018 BMW X5 M

Part #: D660-0054A

Overview

The Dinan Freeflow Axleback Exhaust System for the BMW X5 M is a high-performance upgrade designed to enhance your vehicle’s exhaust flow and sound profile. Crafted specifically for the 2015 to 2018 model years, this system is ideal for enthusiasts seeking improved engine response, a refined appearance, and a deeper, more aggressive exhaust note. Made from durable 16 gauge 304 stainless steel, it offers excellent corrosion resistance and longevity. Whether you’re looking to elevate your vehicle’s style or support its performance capabilities, this exhaust system combines form and function seamlessly.

Key Features

This exhaust system features a meticulously engineered design that balances performance and aesthetics. Constructed from premium materials, it ensures durability and resistance to the elements. The system’s Helmholtz chamber design effectively reduces low RPM resonance or drone, providing a more comfortable driving experience. Its bolt-on installation process is straightforward, allowing for a hassle-free upgrade. The quad 89mm (3.5") exhaust tips are available in polished or black ceramic finishes, offering a tasteful, high-performance look that complements the X5 M’s aggressive styling.

Construction & Design

Built entirely from 16 gauge 304 stainless steel, the Dinan Freeflow Axleback Exhaust System is designed for longevity and corrosion resistance. The precise engineering of the Helmholtz chamber and the high-quality craftsmanship ensure optimal exhaust flow and sound tuning. The quad tips are designed to provide a balanced, high-performance aesthetic that enhances the vehicle’s exterior appearance.

Performance & Response

This exhaust upgrade helps to reduce back pressure, supporting increased power output and improved throttle response. The deep, civilized tone under normal driving conditions transitions to a pleasantly aggressive sound during hard acceleration, enhancing the driving experience without excessive noise or drone. The system is designed to complement the BMW X5 M’s performance capabilities, providing a more engaging and refined exhaust note.

Installation & Fitment

Designed for a straightforward bolt-on installation, this system requires no modifications or custom fabrication. It is a direct replacement for the factory exhaust, ensuring a secure fit and reliable performance. Proper installation will help maximize the benefits of the system’s design and materials.

What’s Included

The package includes the axleback exhaust pipes, quad tips in your choice of polished or black ceramic finish, and all necessary hardware for a complete, hassle-free installation.