Two Brothers Racing now offers two Comp-S 2-1 full systems for the 2019 Harley-Davidson FXDR. The classic stainless 2-1 cone system is complete with either a carbon fiber end cap, or a welded Megaphone Gen II end cap. The stepped headers offer a substantial power increase, while the 2-1 system by design will increase torque significantly. The exhaust system is designed to accommodate both stock (12 mm) O2 sensors as well as aftermarket wide band (18 mm) sensors to allow for versatility in tuning.
Link: Two Brothers Racing