GRUMMAN POWERFLOW EXHAUST • $5,200 • AVAILABLE FOR IMMEDIATE SALE • Adds 15 HP. New in the box Powerflow exhaust system for Grumman cheetah. Sold Plane Before install. • Contact Joe Glover , Owner - located Pensacola, FL 32526 United States • Telephone: 8508657556 • Posted August 10, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad