SKU: 59221183196

Dinan Free Flow Axle-Back Exhaust for 2016-2020 BMW 340i/440i D660-0055

Sale price$742.48 Regular price$824.98
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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9

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Description

Dinan Free Flow Axle-Back Exhaust for 2016-2020 BMW 340i/440i D660-0055Dinan Free Flow Axle Back Exhaust 2016 2020 BMW 340i 440i Dinan engineers designed the F30 340i and F32 440i exhaust to improve 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 hard acceleration. Not only is the tone improved but the additional burbles and pops that come with it are simply intoxicating. Dinan also incorporates

Dinan Free Flow Axle-Back Exhaust - 2016-2020 BMW 340i/440i

Dinan engineers designed the F30 340i and F32 440i exhaust to improve 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 hard acceleration. Not only is the tone improved but the additional burbles and pops that come with it are simply intoxicating. Dinan also incorporates a Helmholtz chamber design that reduces resonance or"drone" at low RPM.

Features:

  • More Power: +?6 HP @ 6600 RPM, + 5 LB-FT @ 6600 RPM
  • Helmholtz chamber to reduce drone
  • Enjoyably louder, sportier sound
  • Twin 89mm (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

Specs:

Brand Dinan
Dinan Point Value 3
Emission Code 5
Height 11
Labor Time (Hours) 1.2
Length 48
Max HP Gain 6 @ 6600 RPM
Max Torque (lb-ft) Gain 5 @ 6600 RPM
Product Type Axle-Back Exhaust
Sale Category Exhaust
Tip Finish Polished
Warning California Proposition 65
Weight 45
Width 30

Application:

Year Make Model Submodel
2016-2018 BMW 340i Base
2016-2018 BMW 340i xDrive Base
2017-2020 BMW 440i Base
2017-2020 BMW 440i xDrive Base
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: 59221183196

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Kay Cas
Lexington, US
★★★★★ 5
Comfortable
Color: White, Size: Queen (Pack of 2)
Omg! I love this pillow. I have a hard time finding pillows comfortable, this is the best pillow I’ve purchased. Definitely worth it!
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Reviewed in the United States on June 1, 2026
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M
Houston, US
★★★★★ 5
Comfortable.
Color: White, Size: Queen (Pack of 2)
Comfortable. Good quality.
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Reviewed in the United States on May 17, 2026
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ANNEE
Grantham, US
★★★★★ 3
Average pillow that might be great for some folks, not for me
Color: White, Size: Queen (Pack of 2)
I should have know this would be like every other pillow I've ever ordered. It's too puffy for me. No give. It claims to offer better support for side sleepers but instead it's giving me kinks in my neck. Not for me. Not adjustable. Not versatile. Standard materials. White. Can't speak to washability and durability as I have had it long and haven't washed it. fair price for two standard pillows. I really wish all these bedding companies would stop rolling and vacuum sealing pillows and such.
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Reviewed in the United States on June 9, 2026
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Robin Smith
Bozeman, US
★★★★★ 5
how good the product is
Item Package Quantity: 4, Size: Standard
These pillows are soft, fluffy, and surprisingly supportive for the price. They’re comfortable no matter how you sleep — whether on your side, back, or stomach — and they maintain their shape well overnight without going flat. The fabric cover feels smooth and breathable, keeping things cool through the night. After a few days of fluffing and use, they settle nicely into a perfect medium firmness. They also wash and dry easily without clumping. Overall, a great‑value pillow set that offers comfort, versatility, and quality — ideal if you need an affordable yet cozy bedding refresh.
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Reviewed in the United States on April 10, 2026
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“Just Me”, LMT
Los Angeles, US
★★★★★ 5
Great Quality for a Great Proce!
Item Package Quantity: 2, Size: King
These pillows are very comfortable and maintain their shape. Quality is as described at a comfortable price for the quality! The pillows are comfortable; not overly firm nor flat. The density is medium and supportive; very comfortable!
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Reviewed in the United States on April 24, 2026

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