This Flowmaster® FlowFX® cat-back exhaust system for the 2020-2024 Explorer ST and Lincoln Aviator with the 3.0-liter twin turbo EcoBoost engine is manufactured using durable 409 stainless steel throughout and features 3.00-inch mandrel bent tubing for better exhaust gas flow. A FlowFX series muffler is used with a built in X-pipe style merge for an aggressive to moderate European exhaust note and increased performance. This system exits with dual 3.50-inch black stainless steel tips for added style and a custom look. Max gains of 20 hp and 25 lb-ft of torque at the rear wheels over stock. Unique Helmholtz style resonators are used for reduced interior resonance while driving. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.