WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.The Dinan High Flow Mid-Pipe (D660-0080) is a performance-mandated exhaust upgrade for the 2018-2023 BMW G30 M550i xDrive, engineered to introduce a more aggressive tone and increase volume over the stock system. This full mid-section kit removes the hydro-formed factory center section and resonator, replacing it with 3" (76mm) 304 stainless steel tubing (an increase from stock 70mm) for significantly freer flowing capabilities. Dinan incorporates a beautifully crafted, mandrel-bent X-pipe that is the focal point of the system, promoting even flow and removing unwanted sound nuances for a louder, smoother, and fuller exhaust note befitting the V8-powered sedan.
Features:
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Smoother, sportier sound that enhances the volume and tone, producing a fuller, more aggressive growl.
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3" (76mm) tubing replaces stock 70mm tubing for superior, free-flow capabilities.
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Deletes the factory resonator located between the catalyst and rear muffler for increased exhaust volume.
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Includes a sophisticated X-pipe crossover made from mandrel-bent tubing, ensuring minimum restriction unlike common stamped X-pipes.
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Built from 100% 304 stainless steel construction for long-term durability and corrosion resistance.
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Designed for a simple, direct bolt-on installation with all mounting hardware included.
Product contains:
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(1) Dinan High Flow Mid-Pipe Assembly with Integrated Mandrel-Bent X-Pipe
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(1) Complete Installation Hardware Kit
Important Note: Fitment is only confirmed with the Dinan Free Flow Axle Back and stock exhaust systems. Fitment with other aftermarket axle-back units is not guaranteed.
Warranty This product is supported by a Manufacturer's Warranty. Note: Manufacturer warranty terms are subject to change.
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