Installation kits for the Cessna 182 Skylane are $17,500 and the Cessna 172 installation kit is $15,500, plus installation fees. The BRS system is approved for Cessna 182s manufactured from 1964 and newer, and Cessna 172s manufactured in 1966 and newer. (this was a post on CPA from a number of...
It will affect it, but it will have to get a lot better first. This particular tool has no way to direct it - you get what you get (something I heard from Lee a long time ago :) )
So I fed it Bill Rusk's video flying from Barrow to Ketchikan... and got this discussion... This was one of the very first HDHP's we did back in the day!