MAP Catback Exhaust | 2017-2021 Honda Civic Si COUPE ONLY (HDAX-CBE-CPE)

2017-2021 Civic Si COUPE Catback Exhaust Systems by MAPerformance Modern Automotive Performance is no stranger to designing high performance exhausts for modern turbocharged vehicles, but for the 2017-2021 Civic Si, we decided to go straight to the owners to determine what they wanted most in an exhaust solution: Performance: Owners demand performance and performance is enhanced by decreasing the energy and effort that is required for exhaust gasses to pass through a system. To reduce restrictions, we used 3" inch diameter stainless steel tubing and meticulously designed the system with smooth, mandrel bent routing. We also designed the long legs of the mid pipe on our CNC mandrel bender to minimize the amount of sections that had to be welded together, further decreasing areas which might create flow robbing turbulence. Another Unique feature with our system is the ability to eliminate the factory 3 Bolt connections on the front of the catback and the rear of the front pipe. We offe