Hello All,

Had some parts arrive today I thought I would share with you. One of the interested aspects of the 540/570/650/675/MP4 & P1 catalyst sections is that they use a unique exhaust flange design. There is a much thicker flange on the turbo side, rather than using a conventional Vband 50/50 split. As a result the exhaust side is much thinner - a normal 16 gauge stainless tube. But the actual inlet is also formed into a recessed lip. There is a male portion on the turbo that seats into this groove.

The reason for this is that the McLarens run quite high boost and this produces a better, more consistent seal. On our prototype parts we used a specially machined Vband, but to go into production we made the investment into the special tooling to stamp out the flange in the correct proportions to create an OEM quality seal every time.

It is a small detail, but we have learned over the last 9 years that details matter, and make the difference between good parts & great parts.

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