Quick and easy way to reference engine boost with your preferred boost gauge. No need to remove any parts and drill and tap into existing pipe work. Simply install the boost adaptor under the factory map sensor with basic hand tools.
The adaptor is threaded 1/8th BSP which can accept a wide range of fittings to suit your application.
Other boost adaptors here > https://www.tillix.com.au/product-category/adaptors/