This manifold will allow most 2 cylinder 15 & 20 c.i. to allow exhaust gases to exit unimpaired & with a sweet sounding open exhaust sound. It is based on a Quincy manifold with heli arced welded aluminum elbow, short straight pieced & flared end.
Models that this will fit: KF5, MK7, KE7, KF7, KG7, KH7, MK15, MK20, MK20H, MK25.
Some cowl modifications for the above models with cowls.

Buy it for $175 and receive a free copy of my book Pictorial of the Beginning of Stock Outboard and Other Outboard Racing. Selling on Amazon & eBay for $27.95 plus shipping.

Contact jschubert19j@gmail.com