PPI N54 top mount T4 manifolds are now for sale. Pair with your own turbo, wastegate, and downpipe.
By default it comes setup for a internal gate setup like a borg efr turbo. Or let us know and it will come with tial 44mm flanges. Your choice.
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Great design, fixes multiple issues in other manifolds like Burning O2 sensor. Thanks PPI for always providing great quality parts!