Most designs of the time therefore included secondary air injection, which injected air into the exhaust stream. This increased the available oxygen, allowing the catalyst to function as intended. Cat-back exhaust systems replace every component behind the catalytic converter, including most piping, mufflers, resonators, and tailpipes.
So listen up and checkout this MBRP Black Series 3" Dual Cat-Back Exhaust on a 2021 LT1 Camaro. This is the main path to completing your full exhaust upgrade. And when it's time to perform maintenance that required the removal of your exhaust system make sure that you use new gaskets if your existing gaskets have too much heat damage. And check out the rest of the exhaust options to fully protect and support your exhaust beyond your cat-back setup.
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