Skunk2 Mega Power Double Barrel (DB) Exhaust - 2016-2020 Honda Civic Sport 4-Door HatchbackDecades of race engineering are incorporated into every part Skunk2 develops. Our MegaPower Double Barrel (DB) Exhaust system for the 16 '20 Honda Civic Sport 4 Door Hatchback is no exception. All MegaPower exhaust systems are finely tuned using CNC Mandrel bends, precision robotic TIG welds and unrestrictive resonators to maximize exhaust velocity and eliminate restriction. Featuring parallel, dual race mufflers mounted center beneath the bumper,