A-B1691499-AI MANIFOLD-EXHAUSTOne New Aftermarket Replacement Exhaust Manifold Fits Briggs & Fits Stratton Vanguard Engines This aftermarket replacement exhaust manifold Fits Briggs & Fits Stratton (B&S) Vanguard V Twin engines with horizontal crankshafts. It mounts on the starter motor side and channels exhaust gases away from the engine cylinder heads into the exhaust outlet. Note: this manifold cannot be installed on an engine that is already equipped with a starter motor due