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These are the Rear O2 Harness Connectors
Featuring fully integrated H-Pipe on all Cat-back versions
Lockouts are used to minimize toe change and deflection from the eccentric slipping and losing adjustment
Engineered and manufactured in the USA
transferring power instead of absorbing it
ROUSH CATBACK EXHAUST KIT (2018-2021 MUSTANG V8) 422093 2019 Ford Mustang GT These are the Rear O2Give your 2018 5. 0L Mustang GT the signature ROUSH Performance sound, powerful looks, and boosted performance with this ROUSH Performance Cat Back exhaust system. This 2018 ROUSH Performance Cat Back exhaust system is constructed of corrosion resistant 304 stainless steel and is mandrel bent for high performing airflow. Thanks to hours of R&D, testing, and validation, this ROUSH Performance Cat Back exhaust system improves flow and reduces back