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The Diamond Eye 3.5-inch 90° stainless steel stack extension elbow is a mandrel-bent exhaust connector intended for diesel performance use. Constructed from 409 stainless, it preserves internal diameter for smooth flow and resists heat and corrosion. Diamond Eye's CNC mandrel bending and fabrication processes ensure consistent geometry for custom stacks, repairs, or exhaust routing in heavy-duty applications.
Diamond Eye ELBOW 3-1/2in 90-DEGREE SS 431-350-SS
