Made of heat-resistant silicone, Hobbico Ex-haust Deflectors feature a 45- degree bend that directs exhaust residue out and away form your plane"s finish. Attachs to engines exhaust outlet with two included tie-wraps. This item has a 90-Day Warranty. INCLUDES: One Gray Deflector Two Tie-Wraps COMMENTS: This diverter will fit any exhaust output which measures from 7/16" to 9/16" in diameter ir/jl