AFE 49-32070 MACH Force-Xp Cat-Back Exhaust System for 15-23 Dodge Challenger 6.4L 392 & 6.2L Hellcat. This exhaust system is built from 3" mandrel-bent 304 stainless steel tubing and features dual high-flow stainless steel mufflers for improved performance. It incorporates factory-style hangers for a secure fit and includes factory-style exhaust valves (using the factory motor, not included). The system is 100% MIG-welded, ensuring long-lasting strength and durability.