| Year | Make | Model |
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| 2009 - 2017 | BMW | 5 Series (F10/F11) |
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Dinan Freeflow Axleback Exhaust System | BMW 550i xDrive (11-16) (D660-0036)
Dinan Freeflow Axleback Exhaust System | BMW 550i xDrive (11-16) (D660-0036)
SKU:D660-0036
In stock
Regular price
$2,349.95 USD
Regular price
$2,643.95 USD
Sale price
$2,349.95 USD
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The Dinan 11-16 BMW 550i xDrive Freeflow Axleback Exhaust System is a high-performance exhaust upgrade designed to enhance exhaust flow and vehicle sound. Constructed entirely from stainless steel, this system reduces back pressure to increase power output while delivering a sporty, aggressive exhaust note that remains civilized during normal driving. It features a vacuum-controlled butterfly valve to optimize flow at wide-open throttle, ensuring maximum performance without drone or noise issues. The design also reduces overall weight and includes 3.5-inch polished or ceramic black tips for a refined, high-performance appearance. Built with precise specifications, this exhaust system guarantees a proper fit using factory hangers and offers long-lasting corrosion resistance.
This axleback exhaust system is compatible with 2011–2016 BMW 550i xDrive models. It is a direct bolt-on replacement designed for street and performance driving, providing an upgrade in both sound and power. The kit includes all necessary components for installation and is intended for enthusiasts seeking improved exhaust flow, a more aggressive sound, and a high-quality finish. Suitable for daily driving or spirited performance, this system enhances the vehicle’s overall driving experience with durable materials and a tasteful, high-performance aesthetic.
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Overview
Overview
Dinan Performance Exhaust
Fits 2011–2016 BMW 550i xDrive
Part #: D660-0036
Overview
The Dinan Freeflow Axleback Exhaust System is designed to enhance the performance and sound of your BMW 550i xDrive from 2011 to 2016. Crafted for enthusiasts seeking a combination of sporty acoustics and refined craftsmanship, this exhaust system offers a significant upgrade over stock components. It improves exhaust flow by reducing back pressure, which can support increased power output and a more engaging driving experience. Constructed entirely from stainless steel, it ensures durability and resistance to corrosion, making it a reliable choice for long-term performance. The system is engineered to fit precisely using factory hangers, simplifying installation and maintaining your vehicle’s factory integrity.Key Features
This exhaust system features a thoughtfully designed, high-quality construction that emphasizes both form and function. Key features include:- 100% stainless steel construction for corrosion resistance and durability
- Precisely engineered to fit using factory mounting points
- Vacuum-controlled butterfly valve to optimize exhaust flow at wide-open throttle
- Zero drone operation for a comfortable cabin environment
- Sporty sound profile that is civilized during normal driving and pleasantly aggressive under acceleration
- Lightweight design to support improved vehicle response and handling
- Polished 3.5'' tips for a high-performance aesthetic
Construction & Design
The system is built entirely from stainless steel, ensuring longevity and resistance to the elements. Its design incorporates a vacuum-controlled butterfly valve that helps modulate exhaust flow, providing a balance between performance and comfort. The polished tips add a refined visual touch, complementing the sporty character of the exhaust.Driving Feel & Feedback
Designed to improve exhaust flow and reduce back pressure, this system supports a more responsive throttle and enhanced engine sound. The inclusion of a butterfly valve allows for dynamic sound modulation, delivering an engaging driving experience without unwanted noise or drone during everyday use.Installation & Fitment
This axle-back exhaust is engineered for a straightforward bolt-on installation, utilizing the factory hangers for a secure and proper fit. Its exacting specifications ensure compatibility with your BMW 550i xDrive from 2011 to 2016, making it a direct upgrade for your vehicle’s exhaust system.
