Holset DIY Turbo Downpipe Adapters

PT Wiring Solutions

  • $150.00

Bolt on adapters for wastegated Holset exhaust housings.  These are designed to connect these popular turbo swaps to your factory or aftermarket downpipe in a matter of minutes. Now featuring a CNC milled flange to seal better with the downpipe!

This is for the "Do it Yourself " DIY customer who needs the adapter as part of their turbo swap project.

 Please choose the correct type based on the turbo you are using:

  • HX35W, HX40WII, WH1C Use one design
  • HX40W uses another

*Be sure to check out our mechanical wastegate controllers for these turbos as well!

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