N54 INLET ADAPTERS - 2" To 1.75"

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  • The ARM N54 Inlet Adapters give you the ability to use 2" N54 Inlets on your stock N54 turbos.  The ARM N54 Inlet Adapters are the perfect solution if you want to upgrade your inlets while running the OEM N54 turbos, but are planning on installing upgraded turbos in the future.  This will save you the expense of having to purchase two separate sets of inlets, one for the stock turbos and one for the upgraded turbos.

    N54 Inlet Adapters


    The ARM N54 Inlet Adapters are constructed of CNC machined T6061 aluminum.  They have a 2" outside diameter on one end to properly fit 2" N54 Inlets, and a 1.75" inside diameter on the opposite end to mate up to the stock N54 turbos.  The 1.75" end has been machined to accommodate an O-ring to create a tight seal at the turbo and prevent any air leaks. 

  • N54 Inlet Adapters

    The ARM N54 Inlet Adapters are designed with three evenly spaced hex screws to secure the adapters to the stock N54 turbos.  All three hex screws do not have to be tightened to secure the adapters, only two will be reachable once the adapters are installed onto the turbos and these two connection points are sufficient to secure the adapters. 

    N54 Inlet Adapters

        • IN THE BOX

        • • 2x - 2" to 1.75" Inlet Adapters

        • • 2x - Turbo Side O-rings

        • • 6x - Hex Screws


          Make Chassis Model Engine
          BMW E82 1 M Coupe N54 3.0L
          BMW E82 135i N54 3.0L
          BMW E88 135i N54 3.0L
          BMW E90 335i N54 3.0L
          BMW E90 335xi N54 3.0L
          BMW E92 335i N54 3.0L
          BMW E92 335is N54 3.0L
          BMW E92 335xi N54 3.0L
          BMW E93 335i N54 3.0L
          BMW E93 335is N54 3.0L


          Every ARM Motorsports product is backed by a lifetime warranty which is automatically issued at the time of purchase. Your warranty protects you against any defects in craftsmanship or fitment. The warranty entitles you to a replacement unit.

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