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The JBA 409 stainless mid-pipe for 2001–2006 GM trucks with the 8.1L and Allison transmission opens exhaust flow to increase sound and performance. Hand-polished to a mirror finish, the Y-pipe includes O2 sensor provisions, factory-style hangers and heavy-duty flanges for an OEM-style installation. Note: this mid-pipe is restricted in California and states that adopt California emissions rules and is intended for closed-course competition.
JBA 01-06 GM Truck 8.1L (w/Allison Trans) 409SS Emissions Legal Mid Pipes
