Every GIBSON performance power exhaust system is designed, dyno and dynamically tested, and precision fabricated to assure unmatched quality. Only the industry's finest components even qualify for our design and development program. For maximum power and torque over the widest power band, we manufacture a merging pressure single exhaust system which allows your engine to operate more powerfully and efficiently than any other exhaust systems. The superior quality of our GIBSON high-flow performance exhaust system will provide you with increased hill climbing and passing power. More usable horsepower, Improved acceleration, power and response, Improved low and mid-range performance – increased torque, Improve fuel economy, reduced back-pressure for cooler engine operating temperatures and extended life. Retains all stock emissions equipment -50 state Legal. The Gibson Stainless Steel 3.5 in. Super flow performance muffler and 3.5 in. Stainless steel Tubing minimizes back-pressure and assures cooler operating temperatures. Each system is finished off with a 4.0 in. polished T-304 Intercooled stainless steel exhaust tip. Kits include a universal polished stainless steel generator exhaust tip, heavy-duty mounting hardware, zinc-plated hangers and clamps. All kits feature a lifetime limited Warranty. Made in USA