| Year | Make | Model |
|---|---|---|
| 2017 - 2023 | BMW | M5 |
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Dinan High Flow Middle Exhaust | BMW M550i xDrive (18-23) (D660-0080)
Dinan High Flow Middle Exhaust | BMW M550i xDrive (18-23) (D660-0080)
SKU:D660-0080
In stock
Regular price
$1,599.95 USD
Regular price
$1,799.95 USD
Sale price
$1,599.95 USD
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The Dinan 18-23 BMW M550i xDrive Stainless Steel 3in High Flow Middle Exhaust is a performance mid-section upgrade designed to enhance exhaust flow and sound. Constructed from T304 stainless steel tubing, it replaces the factory hydro-formed center section and resonator with larger 3-inch pipes for increased airflow. The system features a mandrel-bent X-pipe, which minimizes restrictions and improves exhaust flow symmetry. This sophisticated X-pipe not only enhances the aesthetic appeal but also optimizes sound quality by promoting even flow to both tips and reducing unwanted resonances. The removal of the resonator results in a louder, smoother, and fuller exhaust note, delivering improved performance and a more aggressive sound profile.
Designed for 2018–2023 BMW M550i xDrive models, this full mid-section kit is a direct bolt-on upgrade that replaces the stock components. It is suitable for street and performance driving, offering increased volume and a refined exhaust tone. The kit includes the mandrel-bent X-pipe and connecting pipes necessary for installation, providing a seamless fit for the specified chassis. This exhaust system is ideal for enthusiasts seeking to improve their vehicle’s sound and flow characteristics while maintaining OEM quality and durability. It is compatible with the factory exhaust tips and requires no additional modifications for installation.
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Overview
Overview
Dinan Performance Exhaust
Fits 2018–2023 BMW M550i xDrive
Part #: D660-0080
Overview
The Dinan 18-23 BMW M550i xDrive Stainless Steel 3in High Flow Middle Exhaust is a high-performance mid-section upgrade designed for enthusiasts seeking enhanced exhaust flow and a more aggressive sound. Crafted from durable T304 stainless steel, this full kit replaces the factory center section, including the resonator, with larger 3-inch tubing to support freer airflow. The result is a more responsive driving experience, improved sound character, and a refined aesthetic that complements the vehicle's sporty nature.
Key Features
- Constructed from high-quality T304 stainless steel for durability and corrosion resistance
- Mandrel-bent X-pipe design minimizes restriction and promotes even exhaust flow
- Replaces factory resonator for increased volume and a fuller exhaust note
- Enhances sound quality with a louder, smoother, and more aggressive tone
- Designed for direct bolt-on installation on compatible BMW M550i xDrive models
- Improves exhaust flow for potential performance gains and a more engaging driving experience
Construction & Design
This exhaust system features mandrel-bent tubing and a precisely crafted X-pipe, ensuring minimal restriction and optimal flow dynamics. The use of T304 stainless steel guarantees long-lasting performance and resistance to corrosion, making it a reliable upgrade for spirited driving and daily use.
Performance & Response
By removing the factory resonator and increasing the diameter of the exhaust tubing, this mid-section kit promotes a more responsive throttle and a richer exhaust sound. The design helps eliminate uneven exhaust flow, resulting in a smoother, more balanced tone that enhances the driving experience without sacrificing reliability.
Installation & Fitment
Designed as a direct bolt-on replacement, this mid-section kit is compatible with 2018–2023 BMW M550i xDrive models. Basic mechanical skills and standard tools are recommended for installation, which can typically be completed in a few hours.
