Silicone 45 Degree Reducing Elbow 4" to 3.5" ID Premium Heavy Duty
This is the special Premium Heavy Duty version - handles high pressure and very high temps. Three-ply fiberglass reinforcement is stronger than 5-ply poly.
Approved for twin-turbo pressures.
Recommended clamps are CT400 and CT450 OR 94100-0388 and 94100-0438.