Manifold Elbow, 3" I.D. exhaust hose

Manifold Elbow, Cast Iron. If blocked mounting kit is required use 18-8535. Fits: 3" I.D. exhaust hose. Meets or exceeds manufacturer's recommended specifications. Backed by Sierra's limited lifetime warranty. If blocked mounting kit is required use 18-8535 Fits: 3" I.D. exhaust hose Meets or exceeds manufacturer's recommended specifications Backed by Sierra's limited lifetime warranty