Custom West Coast Performance exhaust manifold. full equal length twinscroll s:s exhaust manifold to suit a GTX-4088R turbo curtosy of Owen Developments on an S50B32 BMW M3 engine, modified with a dry sump conversion

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Custom West Coast Performance exhaust manifold. full equal length twinscroll s:s exhaust manifold to suit a GTX-4088R turbo curtosy of Owen Developments on an S50B32 BMW M3 engine, modified with a dry sump conversion