Flowmaster FlowFX Dual Mode Muffler W/ Active Valve For 2019-2021 GM 1500 5.3L transmissions 10 quarts of updated Mercon 3 position QS3 quick Racing Helmet PGH6D-1-33-455-B#TC Material:Heavy Duty Aluminum
Platform notes & fabric story
Description
Flowmaster FlowFX Dual Mode Muffler W Active Valve For 2019 2021 GM 1500 5.3L transmissions 10 quarts of updated Mercon 3 position QS3 quick Racing Helmet PGH6D 1 33 455 B#TC Material:Heavy Duty Aluminum 10 quarts of updated Mercon LV fluid a built in water separation filter and FASS Fuel Systems patented air vapor removal process