P1 Race Parts PLM Series 4″ Downpipe Back Exhaust System for your 2019-2022 Dodge 6.7L Cummins diesel pickup. Made from heavy gauge aluminized steel, this kit does not include a muffler, bungs or exhaust tip. This kit is built from aluminized steel and comes with OEM hangers and clamps for simple Installation. The P1 exhaust provides maximum air flow for competition applications. Race tuning required.