Drone is a hard issue to overcome because it’s usually due to the design inside the mufflers. You could try adding an X pipe, or a second X pipe if it already has one. If that doesn’t work you could try adding a set of resonators. Unfortunately there’s no magic fix.
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Kong Stage X Port, NW103, LPE HPFP, XDI +30 Injectors, ARH Headers, Flex Fuel, JMS Booster, AWE Touring, Elite E2-X CC. Stock heads, stock cam, stock pulleys: Tuned by KingLT1. 740whp Uncorrected on e50
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