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A studio product photo of the Dinan Free Flow Axle-Back Exhaust System for the 2012–2016 BMW M5, displayed on a solid white background. The system includes one mirror-polished T304 stainless steel muffler with high-quality TIG welds. The muffler leads to dual quad exhaust tips with a sleek black ceramic-coated finish. The assembly features mandrel-bent piping and factory-style mounting hangers for a direct bolt-on installation. }
A studio product photo of the Dinan Free Flow Axle-Back Exhaust System for the 2012–2016 BMW M5, displayed on a solid white background. The system consists of two large, T304 stainless steel mufflers featuring a "straight through" canister design and high-quality TIG welds. Each muffler leads to dual 3.5-inch quad exhaust tips with a sleek black ceramic-coated finish and laser-engraved Dinan logos. The assembly includes mandrel-bent piping and factory-style mounting brackets for a direct bolt-on fitment. }
A close up studio product photo of the Dinan Free Flow Axle-Back Exhaust System for the 2012–2016 BMW M5, displayed on a solid white background. Showing a close up view of the muffler leads to dual quad exhaust tips with a sleek black ceramic-coated finish. The assembly features mandrel-bent piping and factory-style mounting hangers for a direct bolt-on installation. }
For any questions please PM or email: Online@AutoTalent.com Dinan Free Flow Axle-Back Exhaust System with Black Tips for...
Vendor: Dinan
SKU: D660-0044-BLK
Product Type: Axle-Back Exhaust System
Regular price
$2,254.95
Regular price
Sale price
$2,254.95
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Dinan Free Flow Axle-Back Exhaust System with Black Tips for BMW M5 2012-2016
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Dinan Free Flow Axle-Back Exhaust System with Black Tips for BMW M5 2012-2016

Overview & Core Purpose

  • Product: Dinan Free Flow Axle-Back Exhaust System.

  • Core Purpose: A direct-fit exhaust upgrade designed to increase power, enhance sound, and eliminate drone without modifying catalytic converters or downpipes.

Construction, Fitment & Warranty

  • Construction: Made from 100% 304 stainless steel.

  • Fitment: Engineered to use factory hangers and mounting points for a direct, OEM-like installation.

  • Warranty: Backed by Dinan's industry-exclusive, factory-matching new car bumper-to-bumper warranty. Can be purchased and installed at Dinan-approved BMW dealerships.

Performance & Sound Technology

  • Power Gain: Dyno-tuned to provide +8 horsepower through reduced backpressure.

  • Patented Drone Elimination: Incorporates Helmholtz chamber and butterfly valve technologies specifically to remove unwanted interior resonance (drone).

  • Sound Profile: Designed to be enjoyably louder, throatier, and deeper under acceleration while maintaining civility.

Design & Aesthetic Features

  • Exhaust Design: "Straight-through" canister design for maximum flow.

  • Tip Options: Features quad 3.5" exhaust tips in either polished stainless steel or black ceramic coating, each with laser engraving.

Brand Dinan
Category Exhaust
Dinan Point Value 3
Emission Code 5
Height 11
Labor Time (Hours) 1.9
Length 48
Max HP Gain 8
Product Type Axle-Back Exhaust
Sub Category Exhaust and Tail Pipes
Tip Finish Black Ceramic Coated
Weight 62.7
Width 30
UPC 813725021737
Part Number D660-0044-BLK

 Instructions for Part# D660-0044-BLK

 

Fitment Chart:

Make Model Year
BMW
M5
2012-2016

 

 


If you have any fitment questions, please feel free to reach out to our team via the contact methods below. If you are contacting us for any order status updates, please give us a call, or email us. We are a lean operation bringing you the best shopping experience possible. We are working on your orders as quickly as we can. We thank you for your patience.

Call:
Please reach out to us at (310) 231-0292 for sales inquiries if you are in the United States, Canada, Mexico.
Email:
For more in-depth product questions, fitment questions, product inquiries please email our performance specialists at online@autotalent.com.
All other inquiries:
Please direct your inquiries to the chat functionality on our website.

Returns Policy

If a product is ordered and not wanted, the UNUSED item can be returned for a 25% restocking fee unless otherwise specified. In some cases, we may offer the ability to return the item to us for a lesser restocking fee and then keep the balance as a store credit. To return an item, it must be in brand new condition with original packaging.

We cannot accept a return on special ordered or custom items.

Shipping is non refundable in either direction unless approved by AutoTalent. All items wanting to be return MUST be reported within 30 days of the original invoice date. No items will be returnable after 30 days. All products shipped from the AutoTalent facility are shipped via FedEx, USPS, or USPS. Some packages shipped from the manufacturer may or may not require signatures for package release.

Special Order Items

Some items may be special order specifically for the customer’s vehicle. These items generally require a deposit or paid in full. Once this deposit amount is notified to the customer and they agree to order the special order item, the deposit becomes non-refundable. These special order items cannot be returned or resold. Cancellations are not allowed on special order parts.

AutoTalent DOES NOT REFUND SHIPPING CHARGES. If you modify, install, or alter the item in any form, we cannot accept it as a return. We will not cover any expenses related to the product or installation, and you may be required to purchase a replacement.

** All cancellations that are requested that are NOT due to items not being in stock or delayed by the manufacturer are subject to a 5% processing fee. When you place an order with us we pay credit card fees that are NOT returned back to us. We will absorb these fees if we do not have the item in stock OR if you agree to the original ETA and that ETA is NOT met. If you decide to cancel for any other reason you will not receive this 5% fee back

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based.

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