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  87-91 R2500 Suburban V8 5.7 AT Doug Thorley Headers - Tri-Y w/ Air Injection Hookup, Tube Size 1.75" Collector Size 2.5" Incl. Connector Pipe or Y-Pipe Assembly, Driver Exit, 3" Cat. Inlet (Chrome)

Our Price: $668.00

Product Code: 399Y1-S

Product Info
Product Info
HEADER EXIT: DRIVER. PRIMARY/COLLECTOR: 1 3/4" - 2 1/2". DRIVE: 2WD. Notes: 22 - For Legality under CARB regulations the connector/Y-pipe assembly must be used on vehicles originally equipped with catalytic converter, 9 - Automatic only, 17 - Header comes with Connector Pipe or Y-pipe assembly.

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