Flowmaster Y Collector - Length: 17 1/2" - Primary Size (Slip-Fit) 3" - Outlet Size (Final) 4" 711021 2019 Chevrolet Silverado 1500 RWD

2019 Chevrolet Silverado 1500 RWD

The bottom line is that if you want to make more power

Two Trap Door Baffles

Bearing Included

DRP bearing spacer

Flowmaster Y Collector - Length: 17 1/2" - Primary Size (Slip-Fit) 3" - Outlet Size (Final) 4" 711021 2019 Chevrolet Silverado 1500 RWDFlowmaster's "Y" collectors are designed to be used with single exhaust systems. #Y 350450 and #Y350500 are recommended with professional race mufflers #964530 14 & #965030 14. Not legal for sale or use on pollution controlled motor vehicles. * These part numbers are now ONLY available in Aluminized Steel. V=Venturi Manufacturer of performance exhaust systems, mufflers, cold air intakes, turbo boost modules, catalytic converters, race mufflers,