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This EMUSA exhaust reducer is the piece you need when stepping down from a 4\ to 3.5\ V-band setup.

It’s built with solid stainless steel construction, ready to handle the heat and pressure.

Manufacturer part number FG AD VB400-VB350-2j834234, so you know it’s the right one.
Includes a manufacturer warranty and a legit UPC.

Perfect for custom exhaust builds, header setups, or any fab project that needs clean, reliable transitions.

Welds are clean, flanges are smooth—EMUSA knows their stuff.

4.5 out of 5