Shop MagnaFlow Performance Exhaust Systems for the 2017 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. 2017 Honda Civic exhaust options include 2.25-inch and 2.5-inch main piping diameters; polished, black coated, and carbon fiber exhaust tip finishes; dual split rear, dual center rear, and triple center rear exit styles. Use Shop by Vehicle to find the system for your Civic.