SKU: 32961423454

Dinan High Flow Middle Exhaust - 2018-2020 BMW M550i xDrive - D660-0080

Sale price$719.98 Regular price$799.98
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

Dinan High Flow Middle Exhaust - 2018-2020 BMW M550i xDrive - D660-0080Overview: The Dinan Middle Exhaust for the G30 M550i introduces a more aggressive tone and an increase in volume over the stock system. Coupled with the associated Dinan exhaust, the sound is further enhanced into a smoother, fuller and more aggressive growl that is becoming of the V8 powered sedan. This full mid section kit removes the hydro formed factory center section, including the resonator, and replaces it with larger 3" T304 stainless steel

Overview:

The Dinan Middle Exhaust for the G30 M550i introduces a more aggressive tone and an increase in volume over the stock system. Coupled with the associated Dinan exhaust, the sound is further enhanced into a smoother, fuller and more aggressive growl that is becoming of the V8 powered sedan. This full mid-section kit removes the hydro-formed factory center section, including the resonator, and replaces it with larger 3" T304 stainless steel tubing for freer flowing capabilities. In place of the factory resonator, Dinan incorporates a beautifully crafted X-pipe made from mandrel-bent tubing for minimum restriction, unlike stamped X-pipes which are commonplace in the market. This sophisticated 'X' is not only the focal point of the system in terms of aesthetics but also the star when it comes to the effects on the sound. Promoting even flow to both banks of tips, the 'X' removes unwanted nuances in sound caused by uneven exhaust flow that is found in stock systems. Along with the inherent benefit of increased volume by removal of the resonator, the Dinan Middle Exhaust for the G30 M550i produces a louder, smoother and fuller exhaust note.

Features:

  • Smoother, sportier sound
  • 3" (76mm) tubing replaces stock 70mm tubing for free flow
  • Deletes resonator between catalyst and rear muffler for increased volume
  • Includes X-pipe crossover made from mandrel bent tubing for minimum restriction
  • 100% 304 stainless steel construction
  • Bolt-on installation
  • Mounting hardware included

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Brand Dinan
Dinan Point Value 1
Emission Code 5
Height 13
Labor Time (Hours) 2.7
Length 71
Material 304 Stainless Steel
Product Type Mid-Pipe
Sound Level Pipe Only
System Type Mid-Pipe
Tubing Diameter (in) 3
Warning California Proposition 65
Weight 55
Width 32
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
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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: 32961423454

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Garvey
Los Angeles, US
★★★★★ 5
Very much real gold
Color: Yellow Gold - 2 mm, Ring Size: 7, Color: Yellow Gold - 2 mm, Ring Size: 7
At first I thought that it was too tight. I started wearing it for a couple of weeks and it felt great after.
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Reviewed in the United States on May 22, 2026
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Sep37
Pawtucket, US
★★★★★ 5
Buy it
Color: White Gold - 2 mm, Ring Size: 7, Color: White Gold - 2 mm, Ring Size: 7
Beautiful thin band that fits perfectly with my other ring! True to size. Great price for the quality!
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Reviewed in the United States on April 18, 2026
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Mitchell Powell
Natrona Heights, US
★★★★★ 5
Excellent quality
Color: Yellow Gold - 2 mm, Ring Size: 8
Beautiful ring. It went perfectly with the diamond ring I got her. 10/10 recommend this ring.
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Reviewed in the United States on December 26, 2025
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Hawaii bird lovers
Massapequa, US
★★★★★ 5
Beautifully shiny gold. I’m in love!
Color: Yellow Gold - 3.5 mm, Ring Size: 7, Color: Yellow Gold - 3.5 mm, Ring Size: 7
Yellow gold, 14k 35mm in size 7. Beautiful barrel design. Lightweight but solid. Polished & shiny. I am so happy with this ring! It’s just what I wanted. If you’re not sure what millimeter to get, for the 35mm. It’s worth it.
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Reviewed in the United States on October 17, 2025
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robert j. key
San Leandro, US
★★★★★ 5
Satisfied
Color: Yellow Gold - 3.5 mm, Ring Size: 9
Beautiful
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Reviewed in the United States on February 12, 2026

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