Gibson Performance Exhaust 5543 Gibson Split Rear Exhaust Systems Equus Tachometers The electric thermostat gradually opens

The electric thermostat gradually opens the choke as the engine warms

Cast from 319-T6 aluminum with an open air-gap between the runner floor and the engine valley

The T-304L stainless steel body resists corrosion while OE-style flanges ensure a proper seal

and a completely reversible install

Gibson Performance Exhaust 5543 Gibson Split Rear Exhaust Systems Equus Tachometers The electric thermostat gradually opensGibson Performance Exhaust 5543 Gibson Split Rear Exhaust Systems from Atech Motorsports (5543) is a performance exhaust component designed for full size pickups and heavy duty trucks. This component improves exhaust flow and sound characteristics over the factory part delivering a more engaging driving experience. The controlled, purposeful tone that builds from purr to roar transforms the vehicle's presence whether cruising or accelerating. The