R670 EXHAUST • FOR SALE • Complete R670 exhaust for stearman or other 670 powered aircraft $1500+shipping • Contact Stephen Yandik , Owner - located Hudson, NY 12534 United States • Telephone: ---------- • ---------- • Posted April 21, 2024 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad