MMX Performance S55/N55 One Piece Crank Hub cat delete Beyond the additional sound opening

Beyond the additional sound opening the semi-open intake takes the same path to success as its closed box counterpart

• Safely Flash Stage 2+ Tunes

RTD Aluminum Non-Locking Shifter (fully assembled)

Engineered for pre-LCI models

- Maps for upgraded turbos

MMX Performance S55/N55 One Piece Crank Hub cat delete Beyond the additional sound openingIssues relating to the standard three piece crank hub on the S55 engine are widely known, but these are fully addressed with the installation of the MMX Performance one piece billet crank hub and capture plate. The OE units friction plate are known to slip, causing the timing to alter enough that piston to valve contact can occur and, if not totally standard and within the warranty period, leaves owners with a very expensive repair bill! We know of