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Dinan D660-0036-BLK Free Flow Axle-Back Exhaust System - BMW 550i

(2011-2016 BMW 550i; 2011-2016 BMW 550i xDrive; 1992-1995 Bentley Turbo R)

Part of: Dinan Free Flow Axle-Back Exhaust System

Other options in this family: Dinan D660-4602 Dinan D660-0050-BLK Dinan D660-0046-BLK Dinan D660-0086-BLK Dinan D660-3950

Manufacturer

Picture for manufacturer Dinan

Part Number

D660-0036-BLK
18 reviews
Sale Price

$2,399.95

In Stock (9)

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The Dinan Free Flow Axle-Back Exhaust System delivers enhanced performance and an aggressive exhaust note for 2011-2016 BMW 550i models. This premium exhaust upgrade is engineered to reduce backpressure while maintaining refined driving characteristics appropriate for daily use.

Performance Benefits:

  • Gains up to 10 horsepower when paired with Dinan engine software tuning
  • Reduced exhaust restriction for improved flow and throttle response
  • Sportier, more aggressive exhaust tone without excessive drone
  • Proprietary drone abatement technology minimizes unwanted cabin resonance

Construction and Design:

  • 100% 304 stainless steel construction for maximum durability and corrosion resistance
  • Quad 3.5-inch exhaust tips available in polished stainless or ceramic black finish
  • Laser-engraved Dinan branding on exhaust tips
  • Precision-engineered for direct bolt-on installation

This axle-back system replaces the factory exhaust components from the rear axle back, providing an ideal balance of performance improvement, sound enhancement, and build quality. The ceramic black tip option (as indicated by the -BLK suffix) offers a stealthy, modern appearance that complements darker wheel finishes and body colors.

Products specifications

Fits

2011-2016 BMW 550i; 2011-2016 BMW 550i xDrive; 1992-1995 Bentley Turbo R

Brand

Dinan

Exhaust Type

Axle-Back

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Material

304S Stainless Steel

Tip Diameter

3.500 in.

Category

Exhaust

Dinan Point Value

3

Emission Code

5

Height

10

Labor Time (Hours)

1.6

Length

54

Max HP Gain

10

Product Type

Axle-Back Exhaust

Sub Category

Exhaust and Tail Pipes

Tip Finish

Black Ceramic Coated

Warning

California Proposition 65

Weight

78

Width

29

Totally happy with my order. I'm amazed with the product.

Quick and easy

excellent service A+++++

Very satisfied with overall experience.

Very good

It’s okay seems cool so far

Great products and price and car fitment check

Great prices, fast shipping and kept me informed with several status e-mails. What more could you want.

Easy to order, had the part I needed.

Thanks

very quick, easy, and we'll laid out

easy

So far, so good!

Fast and easy

Had to do order twice. Hope I don't get charged twice.

Great site

After a almost 2 month backorder through Summit... y'all had what I needed in stock and shipped same day! Which was delivered in 3 days! Awesome!

I was surprise to the how fast the order was shipped and the item is just like describe and the lowest price on the internet. I am very satisfy.<br><br>R<br>Brooklyn, NY

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