Any chance this is possible without cutting my car up?The aero blades can be bought to fit the regular "hook" arms.
Standard wiper arm with "hook" aeros
Golf aero wipers
S 1J2 955 425B wiper
S 1J2 955 426B wiper
1J2 955 409D arm
1J2 955 410D arm
Prices for the blades were about £25.