Use the Old Town Saranac Padded Seat Back as a replacement seat back for your existing Old Town Saranac seat. This backrest comes standard on the Saranac 146 XT and Saranac 160 XT. The Saranac Padded Seat Back should be used to replace a backrest on an existing Saranac 146 XT or 160 XT and it does NOT come with any hardware. We do offer the full Seat Replacement Kit.