Flowmaster American Thunder Cat-Back Exhaust System: Ram 1500 2025-2026

818199 Flowmaster 25-26 Ram 1500 American Thunder Cat-Back Exhaust System. This true dual exhaust system is crafted from durable 409 stainless steel, delivering a deep, aggressive tone and improved performance for 3.0L Standard and High Output engines. Featuring Flowmaster’s exclusive Scavenger X-Pipe with D-Port technology, it maximizes exhaust pulse velocity for up to 35 hp and 33 lb-ft gains. The system includes mandrel-bent pipes, tuned resonators for a comfortable cabin sound, and black ceramic coated tips. Easy to install using factory hangers, it’s backed by a lifetime limited warranty.