#173 • O.S. Max Engine, Tuned Pipes & Exhaust Hardware Lot

Part of RC Aviation Collection Online Virtual Auction (timed auction by DuBois Auction Co.)

Starting at $5.00

Status: Available

Live bidding starts Nov 10, 2026 10:00 AM CST

Make: O.S. Engine / Various Model: Speed 3D HZ & Exhaust Assemblies Notes: Features a nitro helicopter motor with cooling fan, multiple tuned expansion pipes, insulated canister mufflers, exhaust headers, and mounting brackets. Note: Selling as pictured Location: Broussard, LA