Well that settles the exhaust question. Thanks to all for the help!

Excellent, thanks all for the help. Looks like I’ve come to the right place! I’m also hoping to put a Sutton exhaust on my PA-22/20. The Sutton is STC’d for the Pa-18, but not the PA-22 or 20. Lots of them on in the US via 337s or field approvals. Is the DAR here in Canada the only approach, or is t...

Thanks! Looks like the 0045 form is out-moded? When I look at the TC criteria for the major mod I interpret the battery and flap handle extension to be minor mods (no report required) and because the Stewart tips will decrease stall speed a little they are considered a major mod and require the repo...

Wow! Thanks for the quick and clear response! Much appreciated.

Hi, I’ve got a Piper PA-22/20 that I bought a few (FAA) STCs for; lightweight battery, Stewart wing tips, and EZ flap handle. Aside from my AME following the installation instructions and having the information for continued airworthiness, is there anything beyond log book entries and signed/stamped...