@valvetronic: How great would it be to control your Jeep's volume with the push of a button? Heading out before sunrise? Keep it quiet. Hitting the trail? Open the valves and let it roar. The choice is always yours. Check it out at Valvetronic.com Let us know in the comments when you would use the closed valve the most? #JeepWranglerJL #JeepLife #OffRoad #ValvedExhaust #ValvetronicDesigns