Update: Definitive KZ650 installation of Delkevic 4-1 exhaust. I did it!!!! - KZRider Forum - KZRider, KZ, Z1 & Z Motorcycle Enthusiast's Forum
1980 Kawasaki KZ650 at Stock Yards Garage
Delkevic KZ650-D1/D2 (1978-1979) 4-1 S/S Exhaust System w/Straight Muffler
Amazon.com: Delkevic Aftermarket Full System compatible with Kawasaki KZ650 B & C (1976-1980) with Classic Megaphone Muffler and Stainless Steel 4-1 Headers: Automotive