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The Diamond Eye adapter converts a 3.5-inch inner diameter pipe to a 4-inch inner diameter over a 6-inch length in aluminum construction. It’s intended where exhaust components require a smooth transition between those sizes, offering a compact mechanical adapter for custom exhaust routing or repair jobs. Keeps installation neat when matching mismatched tubing.
Diamond Eye ADAPTER 3-1/2in ID TO 4in ID X 6in LENGTH AL
