If you’re looking to add a little style to your Toyota Tundra and want to keep the exhaust from affecting your tow trailer, this Dual Cat-back Toyota Tundra Exhaust System is for you, exiting behind the rear tire for a look that sets your vehicle apart on the street or in the dirt. Hassle-free, bolt-on installation with professional-looking results. No welding required. Backed by a Lifetime Limited Warranty. Gibson Dual Sport Exhaust System offers a powerful authoritative deep exhaust tone with no annoying noise inside the cab. Dyno tested to assure increased horsepower and produce more torque. Average horsepower gains are 10-15 and 15-20lb-ft of increased torque.