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 Valved Axle-Back Exhaust (D660-0089) is a premium acoustic and flow solution for the 2016-2023 BMW X1/X2 xDrive28i (F48/F39), engineered to enhance this successful B48 platform. This system dramatically improves the stock's largely silent exhaust note, delivering a sound that is not only louder but fuller and deeper, complete with the signature exhaust pops.
To achieve this, the system uses 70mm piping (free of hydroforming) that allows freer flow, resulting in a maximum power gain of +5 HP and +4 ft-lb of torque at the extreme top end of the power band. Factory valve control is retained, ensuring a perfect blend of civility during cruising and additional character when pushing the car. The system is purposefully engineered to reduce low-RPM drone, maintaining an intimate cabin experience.
The exhaust is skillfully crafted entirely out of T304 stainless steel and TIG welded, finished with enormous, dual 4" (102mm) polished stainless tips that masterfully fill and accentuate the factory cut-outs for an aggressive, yet refined, styling.
Features:
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Verifiable Power Gains: Delivers a maximum gain of +5 HP and +4 ft-lb of torque.
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Acoustic Duality: Retains factory valve control for full acoustic control, allowing selection between a subdued ride and a sporty tone with exhaust pops.
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Optimized Flow: Features 70mm piping throughout the system for freer flow, leading to mildly improved power output.
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Superior Material & Construction: Built from 100% 304 stainless steel construction with TIG welding for long-term durability and corrosion resistance.
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Aesthetic Excellence: Finishes with dual 4" (102mm) polished stainless clamp-on tips (black ceramic tips also available) that masterfully fill the factory cut-outs.
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Drone Abatement: System is engineered to reduce low-RPM drone, keeping the interior intimate.
Product Contains:
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(1) Dinan Axle-Back Muffler Assembly
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(2) Dual 4" Polished Stainless Exhaust Tips
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(1) Complete Bolt-on Installation Hardware Kit
Important Note: This exhaust is Not compatible with the sDrive (FWD) variant. Please see part # D660-0088 (-BLK) for the sDrive version.
Warranty This product is supported by a Manufacturer's Warranty. Note: Manufacturer warranty terms are subject to change.
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