JEGS Electric Exhaust Cutouts eliminate the need to un-cap your cutouts every time that you arrive at the track and re-cap them before going home. Go from closed to open or open to closed just by flipping a switch. Kits include 6061-T6 aluminum cutout valve(s) with stainless butterfly(s), wiring harness with weather tight connector(s), switch and hardware. Available for single or dual exhaust systems. Requires flanged cutout pipe(s) for installation.