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American Racing 2018-2023 Mustang 1-7/8" x 3" Long Tube Headers and Catted X Pipe (Bottleneck Eliminator System)
American Racing “Bottleneck Eliminator” which includes our Long Tube headers with X or H-pipe designed to work with aftermarket catbacks. This unique set up eliminates the 2-1/4” restriction all aftermarket catbacks are forced to have on the inlet side. X or H-Pipe outlet is 3” ID. NOTE: FOR AFTERMA...
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