ARM Inlet Adapters (2" to 1.75") - BMW / N54 / E82 / E88 / E9XThe 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. CONSTRUCTION The ARM N54 Inlet

Original BorgWarner K04-023 turbocharger as base part

This single-outlet surge tank is the perfect solution and design for almost all fuel pumps used for tuning and motorsports applications on the market today

2 Nozzles To Cover a Wide Range of Horsepower

Simple plug and play upgrade

(an amazing 88

MFR Part # URO-013320

Crank bolt

with a frame in latest-generation carbon

Applications: Porsche Boxster 1997-2004

1/4" NPT on the bottom for a drain on each cap

from high grade polyurethane

The result is a significant improvement in stiffness over stock that is daily driving friendly