Dinan Free Flow Stainless Exhaust Systems

4.0 out of 5 stars 4 Customer Reviews

Dinan offers a wide range of exhaust upgrades for imports like BMW, Audi, and Volkswagen. Their free flow stainless exhaust systems are precision-engineered for opt

Dinan offers a wide range of exhaust upgrades for imports like BMW, Audi, and Volkswagen. Their free flow stainless exhaust systems are precision-engineered for optimum power gains—with a civilized, sporty exhaust note that's appropriately aggressive at wide-open throttle. Plus, there's no irritating low-rpm "drone" that is common with so many other aftermarket mufflers. These free flow systems are manufactured from stainless steel, inside and out, for maximum resistance to corrosion and reduced weight (by 30 percent). They utilize the OE brackets and hangers for mounting in factory-like fashion. Order the Dinan free

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Dinan Free Flow Stainless Exhaust Systems for 2015-2018 M3, 2015-2020 M4 - D660-0050-BLK

Exhaust, Free Flow, Rear Axle-Back, Stainless Steel, Four Rear Outlets, BMW, 3.0L, Kit

Part Number: DNN-D660-0050BLK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2023-2026 M240I, 2022-2026 M240I XDRIVE - D660-0098-BLK

Exhaust Systems, Free Flow, Rear Axle Back, Stainless Steel, Four Rear Outlets, Black Ceramic Tips, BMW, Kit

Part Number: DNN-D6600098BLK

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2017-2023 540I, 540I XDRIVE - D660-0078-BLK

Exhaust Systems, Free Flow Stainless, Rear Axle-back, Single In/Dual Out, Stainless Steel, Natural, Rear Exit, Black Tips, BMW, 3.0L, Kit

Part Number: DNN-D6600078BLK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2020-2024 X3, 2020-2025 X4 - D660-0086-BLK

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Four Rear Outlets, Black Ceramic, BMW, 3.0L, Kit

Part Number: DNN-D6600086BLK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2017-2021 M240I, M240I XDRIVE - D660-0067-BLK

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Two Rear Outlets, BMW, 3.0L, Kit

Part Number: DNN-D660-0067BLK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2011-2016 535I, 535I XDRIVE - D660-0051-BLK

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Two Rear Outlets, BMW, 3.0L, Kit

Part Number: DNN-D6600051BLK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems D660-4602

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Two Rear Outlets, BMW, 2.5, 3.0L, Kit

Part Number: DNN-D660-4602

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems D660-0046-BLK

Exhaust, Free Flow, Rear Axle Black, Stainless Steel, Two Rear Outlets, BMW, 2.0, 3.0L, Kit

Part Number: DNN-D660-0046BLK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2017-2021 230I, 230I XDRIVE - D660-0076

Exhaust Systems, Free Flow Stainless, Rear Axle-back, Single In/Dual Out, Stainless Steel, Natural, Rear Exit, Polished Tips, BMW, 2.0L, Kit

Part Number: DNN-D660-0076

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Dinan Free Flow Stainless Exhaust Systems for 2012-2018 M6, 2014-2019 M6 GRAN COUPE - D660-0049-BLK

Exhaust, Free Flow, Rear Axle Black, Stainless Steel, Two Rear Outlets, BMW, 4.4L, Kit

Part Number: DNN-D660-0049BLK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2000-2003 M5 - D660-3950

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Two Rear Outlets, BMW, 5.0L, Kit

Part Number: DNN-D660-3950

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2016-2018 M2 - D660-0056-BLK

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Four Rear Outlets, BMW, 3.0L, Kit

Part Number: DNN-D6600056BLK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2011-2016 535I, 535I XDRIVE - D660-0051

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Two Rear Outlets, BMW, 3.0L, Kit

Part Number: DNN-D660-0051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems D660-0069-BLK

Exhaust Systems, Free Flow Stainless, Rear Axle-back, Single In/Dual Out, Stainless Steel, Natural, Rear Exit, Black Tips, BMW, 2.0L, Kit

Part Number: DNN-D6600069BLK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2018-2023 M550I XDRIVE - D660-0075-BLK

Exhaust Systems, Free Flow Stainless, Rear Axle-back, Dual In/Four Out, Stainless Steel, Natural, Split Rear Exit, Black Tips, BMW, 4.4L, Kit

Part Number: DNN-660-0075-BLK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2006-2010 M5 - D660-0009A

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Four Rear Outlets, BMW, 5.0L, Kit

Part Number: DNN-D660-0009A

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems D660-0089-BLK

Exhaust System, Axle Back, 304 Stainless, Split Rear, Black Tips, BMW, X1, X2, 2.0L, XDrive, Kit

Part Number: DNN-D660-0089BLK

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2006-2010 M5 - D660-0009A-BLK

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Four Rear Outlets, BMW, 5.0L, Kit

Part Number: DNN-D6600009ABLK

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2014-2016 M235I, 2015-2016 M235I XDRIVE - D660-0047-BLK

Exhaust, Free Flow, Rear Axle Black, Stainless Steel, Two Rear Outlets, BMW, 3.0L, Kit

Part Number: DNN-D660-0047BLK

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2008-2013 135I, 2013 135IS - D660-0025-BLK

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Two Rear Outlets, BMW, 3.0L, Kit

Part Number: DNN-D660-0025BLK

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2013-2016 M5 - D660-0044-BLK

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Four Rear Outlets, BMW, 4.4L, Kit

Part Number: DNN-D660-0044BLK

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 1997-2003 540I - D660-3940

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Two Rear Outlet, BMW, 4.4L, Kit

Part Number: DNN-D660-3940

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems for 2015-2018 M3, 2015-2020 M4 - D660-0050

Exhaust, Free Flow, Rear Axle-Back, Stainless Steel, Four Rear Outlets, BMW, 3.0L, Kit

Part Number: DNN-D660-0050

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems D660-0011

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Two Rear Outlets, BMW, 3.0L, Kit

Part Number: DNN-D660-0011

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Dinan Free Flow Stainless Exhaust Systems D660-0011-BLK

Exhaust, Free Flow, Rear Axle Back, Stainless Steel, Two Rear Outlets, BMW, 3.0L, Kit

Part Number: DNN-D660-0011BLK

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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