I have those Phoenix ones on my Plus8. The original catch onto the wing is drilled, the extenders bolted to them and adjusted. Measure twice, drill once where they are with swarf collected. You could remove them to drill but if careful then not a necessity. Make sure the bonnet pull mechanism is lubricated to make it easier to pull out the extra distance. Also periodically check the fixings to the wing of the original catch hook bracket as the extra strain/ vibration may loosen them. Allen key in the socket head above and small spanner on the nut underneath.
Note, you will probably get people telling you the bonnet is not closed! Last week on the M6 ( stuck nearly 3 hours due to a closure) a couple of people warned me!
It still gets quite warm under the bonnet but every little bit helps. I remove mine for the winter and replace for summer.

Last edited by sospan; 19/09/22 10:39 AM.

Plus Four MY23 Furka Rouge