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Not compatible with E93 328i xDrive or E90 335i RWD vehicles
Larger volume air boxes (26% larger than stock) and tubes/plenum (50% larger than stock) allowing an increased volume of air to be utilized
optimizing performance under varying driving conditions
Easy bolt-on installation with included mounting hardware
Dinan High Flow Mid-Pipe - 2016-2020 BMW 340i/440i Stainless Steel - 3.25" - F30/F32 Audi S4 B9 Not compatible with E93 328iOnly confirmed to fit with the Dinan Free Flow Axle Back and stock exhaust systems. Fitment with other axle back units is not guaranteed. Stainless Steel 3. 25" F30 F32 The Dinan High Flow Mid pipe for the F30 340i and F32 440i allows for an aggressive tone to be achieved out of the stock system. Coupled with the associated Dinan exhaust the sound is further perfected into an aggressive growl that is hard to ignore. This full mid section removes the