SKU: 30358945613

Dinan Valved Axle-Back Exhaust for 2021-2025 BMW M3/M4 D660-0093-BLK

Sale price$1057.47 Regular price$1174.97
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Ships within 48 hours · Estimated delivery Sep 19 - Sep 24

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Description

Dinan Valved Axle-Back Exhaust for 2021-2025 BMW M3/M4 D660-0093-BLKDinan Valved Axle Back Exhaust 2021 2025 BMW M3 M4 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

Dinan Valved Axle-Back Exhaust - 2021-2025 BMW M3/M4

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.

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, black ceramic coated 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

Specs:

Brand Dinan
Dinan Point Value 3
Emission Code 5
Labor Time (Hours) 2.7
Max HP Gain 6 @ 6600 RPM
Max Torque (lb-ft) Gain 5 @ 6600 RPM
Product Type Axle-Back Exhaust
Sale Category Exhaust
Tip Finish Black Ceramic Coated
Warning California Proposition 65

Application:

Year Make Model Submodel
2021-2025 BMW M3 Base
2021-2025 BMW M3 Competition
2022-2025 BMW M3 Competition xDrive
2021-2025 BMW M4 Base
2021-2025 BMW M4 Competition
2021-2025 BMW M4 Competition xDrive
2022-2025 BMW M4 Competition xDrive
2022-2024 BMW M4 Competition
2023-2025 BMW M4 CSL
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: 30358945613

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4.1 ★★★★★
Based on 24 reviews
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Product Reviews
A
Verified Purchase
Amanda Ostrom
Draper, US
★★★★★ 5
Easy portability & Strong umbrella support
Size: 19inch
Its exactly as advertized! Pros: • rolls well • medium sized (not a tripping hazard & corner fit under the edge of all my furniture) • holds tall (through center of table) umbrella while open in minor wind with water-filled option. • multiple size umbrella pole insert included • Clear instructions. • easy to use brakes (on 2 wheels for security...4 wheels would be annoying to use every day) Cons: • will still roll with brakes on with a little force when I'm being lazy...it should not be this easy (I usually have a corner of the stand tucked under a piece of furniture anyways) • I would call this "light heavy duty" rather than "sturdy heavy duty" with water-filled option. I'd imagine sand + water as suggested would actually be heavy duty. • re-design suggestion: base of umbrella could extend down below the water tank for sturdier hold, but this is the best I've found.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
R
Verified Purchase
Roger
Phoenix, US
★★★★★ 5
Good buy
Size: 19inch
Filing it with sand (50 lbs) was a very slow process, but I got it done. The wheels are very convenient for moving the umbrella around, and the wheel locks seems to work well. So far I'm quite satisfied with the base.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
A
Verified Purchase
Amazon Customer Chris
Houston, US
★★★★★ 5
Great product
Size: 19inch
Excellent quality! Highly recommend. I love that you can wheel it around to other areas and the wheels lock in place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
A
Verified Purchase
Amazon Customer
Massapequa, US
★★★★★ 5
Good umbrella stand
Size: 21inch
Works really well. I filled it with water and it works great. The wheels worked great on the pool deck. The umbrella stands upright even in the wind here in Florida. Worth the price. Multiple pole size inserts. 2 pole security screws.
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Reviewed in the United States on May 17, 2026
S
Verified Purchase
SAN
Waukegan, US
★★★★★ 5
As Advertised
Size: 19inch
The product seems well constructed and rolls easily when wheels are unlocked, even with full weight. Had windy conditions recently and the umbrella was held steady.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026

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