Flowmaster's American Thunder Cat-back exhaust system for the 2014-2018 Ram 2500 truck is perfect for the person looking for an aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR/DOS (Dual Out Rear/ Dual Out Side) emissions-legal system for the Crew Cab Long Bed/Standard Bed models with a 5.7L V8 only, features a stainless steel 50 Series HD muffler and dual 2.50" stainless steel tailpipes. Like all Flowmaster systems the pipes are all mandrel bent to reduce any restrictions and maximize performance. The system finishes off with polished 3.50" stainless steel tips. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Note: Does not fit with optional air bag suspension.. Fits 2014-2018 Ram 2500 Crew Cab Models with 5.7L gas engine and coil spring rear suspension.. Fits 2014-2018 Ram 2500 Crew Cab Models with 5.7L Hemi engine. - Aggressive to moderate sound. Flowmaster 14-18 RAM 2500 5.7L CREW CAB American Thunder Cat-Back Exhaust System. Flowmaster American Thunder Cat-back Exhaust System. 1418 RAM 2500 57L CREW CAB DORS AMT 4. Dyno tuned for maximum performance. Stainless Steel Construction. Designed for an easy fit. Delta Flow Technology. SYS 14-18 RAM 2500 5. SYS 14-18 RA

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