Dinan Free Flow Axle-Back Exhaust - 2011-2016 BMW 550i - D660-0036
SKU: 91023595052

Dinan Free Flow Axle-Back Exhaust - 2011-2016 BMW 550i - D660-0036

Sale price$1057.47 Regular price$1174.97
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Dinan Free Flow Axle-Back Exhaust - 2011-2016 BMW 550i - D660-0036Overview: Dinan's Free Flow Axle Back Exhaust improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration with zero drone. 100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come. A vacuum

Overview:

Dinan's Free Flow Axle-Back Exhaust improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration with zero drone. 100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come. A vacuum controlled butterfly valve is utilized to improve flow at wide-open throttle while keeping things civilized and "drone" free throughout. The design reduces overall weight as well and features 3.5'' polished, or ceramic black, tips for a tasteful high-performance look.

Features:

  • More Power: + 10 HP when coupled with engine software
  • Drone abatement technologies used to reduce cabin resonance
  • Enjoyably louder, sportier sound
  • Quad 3.5" laser engraved, polished or ceramic black exhaust tips
  • 100% 304 stainless steel construction
  • Uses the factory brackets and hangers for a factory-like fitment

Application:

Year Make Model Submodel Engine Size
2011 - 2015 BMW 550i xDrive 4.4L V8
2011 - 2015 BMW 550i 4.4L V8

Specs:

Brand Dinan
Dinan Point Value 3
Emission Code 5
Height 10
Labor Time (Hours) 1.6
Length 54
Material 304 Stainless Steel
Max HP Gain 10
Product Type Axle-Back Exhaust
Sound Level Aggressive / Moderate
System Type Axle-back
Warning California Proposition 65
Weight 78
Width 29
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91023595052

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john
Bozeman, US
★★★★★ 5
Glad to have purchased this great product.
The wood pattern is awesome. Love the workmanship.
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Reviewed in the United States on April 18, 2026
M
Verified Purchase
Mwamom
Whiting, US
★★★★★ 4
Oil them often
Beautiful boards. Wish the charcuterie side had more sections in the smaller boards. Be prepared to oil them often or the cut marks show quite a bit.
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Reviewed in the United States on June 2, 2026
A
Verified Purchase
Amber
Whiting, US
★★★★★ 5
Just what I expected
Been using these for about a month now. I will say they do scratch very easily. My knives suck, and first use you can see every scratch. I don’t really mind because I feel like that’s expected with wooden cutting boards. They look pretty, sit pretty, and haven’t split or warped on me yet. They have a good weight to them as well. I imagine you will have some upkeep such as using oil/board butter but I haven’t gotten to that point yet.
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Reviewed in the United States on September 8, 2025
B
Verified Purchase
Bill C
Grantham, US
★★★★★ 5
Very nice boards
Great cutting boards. Have handled alot of abuse. The fact that you get 3 sizes is a plus and may be the best part is the golder for them so they can sit on your kitchen counter amd enjoy their beauty when not using them. Do not put them in the dishwasher
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Reviewed in the United States on March 17, 2026
A
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Amazon Customer
Grantham, US
★★★★★ 5
No more plastic in my food
This is the real deal. Get yourself a cutting board maintenance kit and this will last 20 years. Great wood, no micro plastics in your food, easy to clean and maintain. And looks fantastic
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Reviewed in the United States on March 11, 2026

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