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Dinan Full Exhaust System, BMW M (2020-2026)

Brand Dinan Reference D660-0085-BLK
Brand
Dinan full exhaust system for BMW M340i (2020-2026), BMW M340i xDrive (2020-2026), BMW M440i xDrive (2021-2024) and 3 other model(s). Stainless steel, black tips, G20 / G22 / G23 / G26. Max gain +6 @ 6600 RPM hp. Direct bolt-on fitment
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Available from the manufacturer 24+ in stock at factory
Expected delivery to you on Oct 29, 2026
This lead time is an estimate and may change due to circumstances beyond our control

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Dinan Cat-Back Exhaust, BMW M (2020-2026), Ref. D660-0085-BLK

Technical

  • Specifications Details: Stainless steel, black tips, G20 / G22 / G23 / G26
  • Body material: T304 stainless steel clamps
  • included: Yes
  • Exhaust tip quantity: 4
  • Finish: Brushed
  • Grade Type: Performance
  • Brackets included: Yes
  • Height (in): 10
  • Estimated installation time (h): 2.5
  • Length (in): 54
  • Material: T304 stainless steel
  • Max power gain (hp): 6 @ 6600 RPM
  • Max torque gain (lb-ft): 5 @ 6600 RPM
  • Pipe material: T304 stainless steel
  • Part type: Shaft-Back
  • Exhaust tip: Black Ceramic
  • Coated Weight (lbs): 68
  • Width (in): 29

Key features

  • Power gain: +6 hp @ 6600 RPM, +5 lb-ft @ 6600 RPM
  • Pleasantly louder, sportier sound
  • Quad 4" diameter, double-walled exhaust tips, black ceramic and laser-etched,
  • 100% 304 stainless steel
  • Larger diameter piping for increased flow (76mm vs. 70mm)
  • 4 lbs lighter than the factory system
  • Factory exhaust valve actuator reused, with an additional valve/actuator added on the opposite side for even flow regardless of valve position
  • . Computer-controlled exhaust valves are retained, limiting noise at low speeds and fully opening under high load
  • . The dual exhaust valves measure an impressive 76 mm in diameter, making them 30% less restrictive than OE valves.
  • Easy bolt-on installation with included mounting hardware

. Vehicle fitment

  • : BMW M340i (2020-2026) 3.0L 6-cylinder
  • , BMW M340i xDrive (2020-2026) 3.0L 6-cylinder, BMW M440i xDrive (2021-2024) 3.0L 6-cylinder, BMW M440i (2021-2026) 3.0L 6-cylinder, BMW M440i (2022-2026) 3.0L 6-cylinder, BMW M440i xDrive Gran Coupé (2022-2024) 3.0L 6-cylinder, BMW M440i Gran Coupé (2022-2024) 3.0L 6-cylinder

. Fitment and technical data are provided by Dinan. Please verify compatibility on the Dinan website before ordering.

Produit mis à jour le: 2026-06-08 11:35:00