This special short-radius reducing silicone elbow is 4-1/4 ID on one end and 4 ID on the other end. Short-radius and short-leg means it fits in
90 Degree Elbow Reducer Coupler Silicone Hose 4-Ply 2.5inch to 3-inch for Turbo/Intercooler/Intake Piping,Length 102mm Thickness 5mm with T-Bolt Clamp : Automotive
4.25”X 4” Silicone Reducer Coupler Hose (Black 5 Ply) 4” Length
DNA MOTORING SH-4-90-BK 4 to 4 Black 90 Degree Elbow 3-Ply Silicone Hose for Turbo/Intercooler/Intake Piping : Automotive
HPS 4 - 4.25 ID, Silicone 90 Degree Elbow Reducer Coupler Hose, High Temp 4-Ply Reinforced, Leg Length on Each Side: 6, 30 Psi Max. Pressure, SER-81014-BLK, Silicone, Black: : Industrial
Installing an Edelbrock PRO- FLO 4 XT on a 440 (Lets open the Box), Page 5
3 inches To 4 inches 90 Degree Elbow Turbo/Intercooler/Intake Piping Coupler Reducer Silicone Hose (Black) : Automotive
HPS High Temp 3 4.25 ID 4-ply Reinforced Silicone 90 Degree Elbow Reducer Hose Black Blue 76mm 108mm exceed SAEJ20 standards, ideal for marine and
HPS 3 - 4-1/4 ID, Silicone 90 Degree Elbow Reducer Hose, High Temperature 4-ply Reinforced (76mm - 108mm)
HPS High Temp 3 - 4.25 inch 4-ply Reinforced Silicone 90 Degree Elbow Reducer Hose 76mm 108mm - HPS Performance
ITHO - REDUCING ELBOW 90 DEGREE 3.5 ID TO 3 ID - Mebar Auto
4.0 Silicone 60 Elbow, Black : Automotive