SKU: 12149534007

Dinan Free Flow SS Exhaust for 15-19 BMW F80 M3 F82 F83 M4 D660-0050-BLK

Sale price$1079.97 Regular price$1199.97
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

Dinan Free Flow SS Exhaust for 15-19 BMW F80 M3 F82 F83 M4 D660-0050-BLKOverview: The F8x M3 M4's are an audible treat right off the showroom. Coupled with a Dinan exhaust however they become a symphony of aural delight that even the most discerning ear will find pleasing. Dinan's Free Flow axle back exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this

Overview:

The F8x M3/M4's are an audible treat right off the showroom. Coupled with a Dinan exhaust however they become a symphony of aural delight that even the most discerning ear will find pleasing. Dinan's Free Flow axle-back exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this system is designed to provide a more aggressive sound under acceleration, while reducing drone inside the vehicle, thanks to computer-controlled valves that limit noise during low-speed driving and open fully during high-load conditions to allow free flow. The exhaust gasses exit through larger laser engraved polished, or ceramic black, quad tips. Every Dinan product comes with our industry-exclusive factory matching new car bumper to bumper warranty and is designed and tested in Morgan Hill, California and can be purchased and installed at any Dinan Approved BMW dealership nationwide.

Features:

  • More Power: +5 HP
  • Drone abatement technologies used to reduce cabin resonance
  • Enjoyably louder, sporter sound
  • Quad 3.5" black ceramic coated, or polished stainless, laser engraved exhaust tips
  • Computer controlled valve limits noise during low speed driving; valve opens fully during high-load conditions to allow free flow
  • Stock exhaust valve actuaters are reused
  • Operation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-Drive settings. 
  • Dinan exhaust is 3 lbs lighter than stock
  • Twin secondary exhaust valves with a whopping 76mm diameter, making them 45% less restrictive than the OE valves.
  • 100% 304 stainless steel construction
  • Uses the factory brackets and hangers for a factory-like fitment

Application:

Year Make Model Submodel Engine Size
2015 BMW M3
2015 BMW M4

Specs:

Brand Dinan
Dinan Point Value 3
Emission Code 5
Height 12
Labor Time (Hours) 1.8
Length 50
Material 304 Stainless Steel
Max HP Gain 5
Product Type Axle-Back Exhaust
Sound Level Aggressive / Moderate
System Type Axle-back
Warning California Proposition 65
Weight 56
Width 34
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: 12149534007

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4.6 ★★★★★
Based on 6 reviews
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Product Reviews
R
Verified Purchase
Red-Dog
Los Angeles, US
★★★★★ 5
Great product
Item Package Quantity: 1
This product works awesome. Fast and easy. Customer service is to work with as well. Yes, I recommend this product. Head lights look better and visibility greatly improved.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 29, 2026
R
Verified Purchase
Rick Rivera
Belleville, US
★★★★★ 4
Immediate results
Item Package Quantity: 1
Very easy to apply. Impressive immediate results. However not yet sure if the shine will last. It’s only been 48 hours but so far it’s great and definitely worth the money. I give it 4 stars for now. If the shine lasts it deserves 5 stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
S
Verified Purchase
S. Jack
Battle Creek, US
★★★★★ 3
Good…not great
Item Package Quantity: 1
Worked decently. Took care of the light fog but didn’t quite do the job on the center of the lights
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026
P
Verified Purchase
PhotoGraphics
San Leandro, US
★★★★★ 5
It does work but
Item Package Quantity: 1, Item Package Quantity: 1
I recently bought a small general purpose utility vehicle. Because it was a tow along vehicle behind a motorhome since it was new it is in remarkable condition. That is except for the headlights. They actually aren’t yellowed with age but cloudy from exhaust fumes from the motorhome. Such a haze is hardened and doesn’t even scratch with a fingernail so I had very low expectations for this vehicle. WHAT YOU GET I looked at the listings for all of the famous brands, I chose this one primarily on price, after all I only bought this vehicle for quick errands around the neighborhood. I accept responsibility for not reading every word of their ad, but because I have used many well-known brands of headlight restorer in the past I know that most of them have enough so you can do a couple of vehicles at least. So I was completely not expecting getting three small packets of wipes. That’s it. It can be used only one time and now compared to the kits with bottles that can do several sets of headlights that cost twice as much I see this one is a not such a good value as I thought. And I never buy anything that comes as a wipe, usually by the time I get them they are already dried up, which makes them useless, that’s why they always have an expiration date. I changed my plans and went to work on the Jeep immediately to see if I could make those headlight lens covers usable (they look like sealed beams but the lenses are meant to protect the headlamps). YES NO MAYBE I can’t blame the ad, after reading it again they do state that these are only single use wipes, which means if you start a project you have to finish immediately. Hint: never use wipes on a hot day, they will start drying up as soon as you open the envelope and if the day is hot enough you might not even get through the job before they are totally dry. If I knew how these differed from the well-known brand names I would have made the choice to buy something in a bottle so I can use a real cleaning cloth and re-wet it if necessary. Did these clean my headlamp lenses? As a shopper all you want to know is yes or know, did it work and am I satisfied. The conclusion is they exceeded my expectations. The application process could not be easier, and note that well when some random person approaches you at a gas station and offers to clean your headlights, these are so easy my great-grandmother could apply them. You wipe the lenses with envelope #1, not rub, not scrub, just a simple wipe to make sure you get all of it. I was able to also do my clear lens fog lights which were equally crusted over. Make sure you dry them with a paper towel then let them air dry for a little while. I’m not sure what you would do if you live in an extremely high humidity area, and the manufacturer doesn’t address that. It was a dry day for me so I gave it fifteen minutes. Then you wipe the entire lens with packet #2 – again I was able to do two headlights and two fog lights with one swab. My headlight and fog lenses instantly turned crystal clear like they looked the day the car was made. I should take away a point because I didn’t expect this kit to be only three small envelopes with wet wipes in them but they don’t try to pretend otherwise and results are 100% of why I rated them a full five stars.
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Reviewed in the United States on October 16, 2024
D
Verified Purchase
Dolores DelGuercio
New York, US
★★★★★ 5
Good quality
Item Package Quantity: 1
My car is old this product does a very good job.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026

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