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Description
Dinan Valved Axle-Back Exhaust - BMW / G80 / G82 / M3 / M4The G8x M3 M4 is arguably superior in every category to its predecessor but in most, if not all, circles the biggest downfall of the platform is in the sound department. Like the F8x before it with the S55, the S58 in the current generation leaves a lot to be desired. While a step in the right direction from its forerunner the stock vocals still carry far too much rasp that do not fully articulate the refined aggressiveness typical of the brands
The G8x M3/M4 is arguably superior in every category to its predecessor but in most, if not all, circles the biggest downfall of the platform is in the sound department. Like the F8x before it with the S55, the S58 in the current generation leaves a lot to be desired. While a step in the right direction from its forerunner the stock vocals still carry far too much rasp that do not fully articulate the refined aggressiveness typical of the brands signature performance models. Dinan corrects this weakness with a valved axle back exhaust system that elevates the tone to a deeper, more meaningful note while also delivering an extra level of amplification above and beyond its stock counterpart. Coupled with the optional middle exhaust / x-pipe for the platform an even louder, smoother, and fuller soundtrack is possible.
Through extensive development and testing nearly every possible permutation of the exhaust was attempted. Unlike the previous generation where cabin sound/drone was largely unchanged between the sedan and the coupe, that was not the case with the G8x chassis'. This caused countless iterations to be attempted in the quest for a common system that not only sounded superb externally but one that also didn't introduce an overbearing internal cabin drone on either body type. The result is a system we are confident will be coveted by all for years to come. To achieve desired sound volume and tone worthy of the G8x M3/M4 the tubing was enlarged to 76mm (vs 70mm stock) to allow freer flow, and reduce backpressure, throughout the entirety of the system. The larger piping gives way to multiple pathways as it nears the rear of the vehicle -- the choice of which is utilized determined by the factory exhaust valves which are retained. When valves are closed, flow is directed into the Dinan muffler, where absorption and reactive technologies are used, and exit out the two inner tips. This limits noise during low-speed driving and produces a more subdued, albeit deeper, and agreeable note. However, when the valves are open during high-load conditions the bulk of the gases bypass the muffler altogether for a near straight pipe design and maximum aural enjoyment to be achieved. It's the perfect marriage for all tastes and allows civility or impassioned aggression depending on what the situation demands. The combination is one Dinan has deemed fitting for the marques signature performance models that cater to the tasteful enthusiast who demand the best for all situations.
Visually, the Dinan G8x M3/M4 exhaust has been skillfully crafted entirely out of T304 stainless steel and TIG welded for the best visual appearance and color. The entire system is then brush finished to further guarantee an immaculate looking system out of the box. The attention to detail is not limited to parts of the system you can't see once the exhaust is installed but is also extended to the exhaust tips themselves. The Dinan exhaust includes massive, quad 4.5-inch (114mm) clamp-on, double-walled, polished stainless steel and laser engraved exhaust tips. Despite the seemingly cartoonish size on paper, the tips mesh seamlessly and fill the factory cut-outs to complete the OEM+ look with a healthy dose of audible attitude.
Features:
- Maximum gains of +6 HP and +5 lb-ft of torque
- Enjoyably louder, sportier sound
- Drone abatement technologies used to reduce cabin resonance
- Four, diffuser filling, 4.5-inch (114mm) double-walled, polished stainless steel clamp-on tips with laser engraved Dinan logo
- Larger diameter piping for increased flow (76mm vs. 70mm)
- 6-pounds lighter than the stock axle back (Stock: 44-pounds vs. Dinan: 38-pounds)
- Stock exhaust valve actuators reused, and operation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-drive settings
- Computer controlled exhaust valves are retained and limit noise during low-speed driving and open fully during high-load conditions
- 100% 304 Stainless Steel construction
- Factory-like fitment with included mounting hardware
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.6 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Cute Rhymes and wonderful info
Format: Board book, Format: Board book
This book is super cute and makes bugs interesting with it's colorful pages and different big varieties. The book rhymes throughout the pages and it's so cute and almost reminds me of song that could have sung by the "Animaniacs" (my age is showing lol). In one of the pics I show the cover damaged but that's from my son chewing on the book. Just because it's a board book doesn't meant it's exempt from damage, just makes it last a little longer than a paperback.
I also REALLY like that there is a page that lists the bugs seen along with their names which is helpful in teaching your little one! My son enjoyed this beautiful book. :)
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Reviewed in the United States on January 15, 2023
★★★★★ 5
Perfect size, cute illustrations and words
Format: Board book
My toddler girl is super into bugs right now. This book was suggested alongside a bunch of other bug books I purchased (Maisy’s Nature Walk, Bugs, All Because a Little Bug Went Kachoo, The Lonely Firefly, A Good Place). What a great find!
It’s the perfect board book size for me to hold or for my toddler to hold. The illustrations are darling and the words simple enough that my almost 2 year old has pages memorized. When she sees a picture she’ll spout out the words. I appreciate the back page with the illustration of all bugs with their names because lord knows my toddler asks me time and time again “what’s that?!” and mommy is fresh out of lies. My insect knowledge is clearly not as profound as my daughter.
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Reviewed in the United States on October 4, 2024
★★★★★ 5
Highly recommend!
Format: Board book
Exceeded my expectations! I wanted some nature themed books for my grandson, and this is perfect! Simple, beautiful, educational, and age appropriate.
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Reviewed in the United States on March 19, 2026
★★★★★ 5
This book is like crack to my 16 month old
Format: Board book
I bought this book as a gift for my friend's son, but when it arrived, my daughter saw it and wanted me to read it to her, so I did. Then again. Then again. Needless to say, I had to buy a second copy to send to my friend's son. It's been about a week, and my daughter is OBSESSED. There have been tantrums when we need to stop reading Some Bugs to do something else. It's by far her favorite book. The illustrations are so colorful and layered, there are so many things to look at. She loves pointing at the different bugs (her favorite ones are the hawk moth and the dog tick). The text has a great rhythm and is fun to read, I'm not tired of it yet after our hundredth reading. I highly recommend this gorgeous, fun book.
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Reviewed in the United States on April 15, 2021
★★★★★ 5
Perfect for learning about bugs!
Format: Board book
Purchased this because my kids class is learning about bugs. It is so cute, and both my kids my 3 year old and almost 2 year old love it! The pictures are so cute, and they really do go through each bug, making it educational. Such a fun book at a great price for 1-3 year olds.
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Reviewed in the United States on May 19, 2024