Holset 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 CNC sealing rings for the downpipe connection.

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. PLEASE DOUBLE CHECK BEFORE ORDERING.

  • HX35W, HX40WII, WH1C
    • These typically have a 3" v-band flange on the exhaust plate that will be replaced by this adapter
  • HX40W
    • These typically have a 4" v-band flange on the exhaust plate that will be replaced by this adapter

*Be sure to check out our other listings for full install kits or other individual components you may need


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