3.5" I.D. TO 3" I.D. Silicone Hose (45 Degree Angled Elbow Coupler). 4 layer polyester reinforced High temperature silicone hose. Silicone is resistant to electrochemical degradation, however, are not suitable for use with oil or fuel.
EMUSA 5SET Universal BLUE 4PLY 90 Degree 3"ID to 3"ID Silicone+ 2xSS Clamp
2.5" ID to 3" ID Stainless Steel Exhaust V-Band W/ Clamps Adapter Flange Reducer
2.25" ID to 3" ID Exhaust Pipe Reducer Connector Adapter 304 Stainless Steel
2.5" ID to 3" ID Exhaust Pipe Connector Adapter Reducer 304 Stainless Steel
For 45 degree 4"ID to 3"ID turbocharger intake Black Elbow Slicone
2.5" to 3" ID Stainless Steel Exhaust V-band ADAPTER 3.0 Flange CNC 3in w/Clamp