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Dinan D660-0093 Valved Axle-Back Exhaust - 2021-2024 BMW M3/M4

Name: Dinan D660-0093 Valved Axle-Back Exhaust - 2021-2024 BMW M3/M4
Brand: Dinan
Price: 3183.99 CAD
Availability: OutOfStock

by Dinan

• SKU: ds_GFBV_D660-0093

• Product Type: Exhaust System Kit

2 sold in last 8 days

$3,183.99

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Description_EXT	Stainless Steel - Polished Tips - G80/G82/G83
Description_DES	Dinan Valved Axle-Back Exhaust - 2021-2024 BMW M3/M4
Description_MKT	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.
Description_MKT	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.
Description_MKT	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.
Description_INV	FREEFLOW EXHAUST; G8X M3/M4
Description_FAB	Maximum gains of +6 HP and +5 lb-ft of torque
Description_FAB	Enjoyably louder, sportier sound
Description_FAB	Drone abatement technologies used to reduce cabin resonance
Description_FAB	Four, diffuser filling, 4.5-inch (114mm) double-walled, polished stainless steel clamp-on tips with laser engraved Dinan logo
Description_FAB	Larger diameter piping for increased flow (76mm vs. 70mm)
Description_FAB	6-pounds lighter than the stock axle back (Stock: 44-pounds vs. Dinan: 38-pounds)
Description_FAB	Stock exhaust valve actuators reused, and operation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-drive settings
Description_FAB	Computer controlled exhaust valves are retained and limit noise during low-speed driving and open fully during high-load conditions
Description_FAB	100% 304 Stainless Steel construction
Description_FAB	Factory-like fitment with included mounting hardware
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
PI: vehicleapps_enabled	1
Product Type	Axle-Back Exhaust
Tip Finish	Polished
Length	10.0000
Width	30.0000
Height	48.0000
Weight	59.0000

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Dinan D660-0093 Valved Axle-Back Exhaust - 2021-2024 BMW M3/M4

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Do you offer wholesale or jobber pricing?

Yes. Wholesale pricing is available for legitimate businesses that provide a valid business number or equivalent proof. Ongoing purchase volume is required to maintain discount eligibility. One-time personal buyers aren’t eligible.

Will this part fit my vehicle?

If a product page clearly lists fitment for your vehicle and the description leaves no reasonable doubt, we’ll cover the cost of return if it doesn’t fit. Exclusions apply if prior modifications cause the issue. When browsing self-serve, you’re responsible for confirming compatibility by checking manufacturer fitment data and notes. If unsure, contact us before ordering and we’ll verify it for you.

Do you offer technical support or installation advice?

We help where possible on a case-by-case basis. Most manufacturers include detailed instructions and tech support contacts. Because our catalog spans hundreds of brands, we can’t provide every torque spec or procedure, but we’ll connect you with the manufacturer if needed.

Do you offer price matching?

We don’t guarantee price matching, but we’re happy to review a legitimate in-stock offer from another Canadian retailer. The comparison must include all costs such as product price, shipping, taxes, and fees, and the item must be identical and available for immediate purchase. We won’t lose money to match unsustainable or out-of-stock pricing.

Can I exchange an item?

Yes. In-store exchanges happen on the spot when stock is available. For shipped orders, the original item must be returned first. Once received and inspected, we can issue a store credit toward the correct part or replacement. We can’t send a second item while the first is still in your possession without payment for both.

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