Shop MagnaFlow Performance Exhaust Systems for the 2025 Honda Civic, including cat-back exhaust systems for select engines, trims, and configurations. Engineered to produce MagnaFlow's deep signature exhaust sound, these systems feature premium materials and easy direct-fit installation. 2025 Honda Civic exhaust options include 2.5-inch and 2.25-inch main piping diameters; carbon fiber exhaust tip finishes; dual split rear, single straight passenger side rear, and triple center rear exit styles. Use Shop by Vehicle to find the system for your Civic.