Feature 1、Ideal Fitment: Excellent replacement for Mercruiser V6 V8 engines Kit includes Two 4in/10.16cm upper hose bellows. 2、OE Number: Part numbers for reference are replacement for Mercruiser 807166A1, 32‑44348T, 32‑14358T, 166A1‑B. 3、Package Included: Y pipe exhaust bellows hose kit includes 2 x upper exhaust bellows, 2 x lower exhaust bellows, 2 x water shutters flappers. 4、Premium Material: Professional exhaust bellows kit is made of marine grade stainless steel and rubber, resistant to rust and durable in use. 5、: Good replacement for the original damaged bellows, better performance than the original kit for your outboard. Item Type: Y Pipe Exhaust Bellows Hose Kit Material: Stainless Steel + Rubber OE: Replacement for Mercruiser 807166A1, 32-44348T, 32-14358T, 166A1-B Package: 2 x Water Shutters Flappers - 807166A3 2 x Lower Exhaust Bellows - 32-14358, 32-14358T, 32-14358001, 18-2746 2 x Upper Exhaust Bellows - 32-44348, 32-44348T, 32-44348001, 18-2748 Application: Aftermarket replacement parts, meeting or exceeding OEM standards, replacing original damaged and worn exhaust bellows hose kits. Fitment: Replacement for Mercruiser V6 V8 engines Kit includes Two 4in/10.16cm upper hose bellows Package List 2 x Upper Exhaust Bellows (With 4 Stainless Steel Clamps) 2 x Lower Exhaust Bellows (With 4 Stainless Steel Clamps) 2 x Water Shutters Flappers Note 1. Please double check the part number of your item, matching information is for reference only. 2. If you are unsure of the item, 3. If you have two rectangular holes for grommets, you need shutter A1. If your Y pipe changes size a few inches below the shutter, you have a one piece manifold V6 Y pipe and need a shutter A2.