Originally Posted by Mr_Draco
On a pure bolt on car (intake, TB, lt headers, tune) it has been shown and proved that replacing the stock catback with an aftermarket catback on the Camaro gives no gains.
This is new to me. Where has this has been shown? If an exhaust company claims that their system for the Camaro gains an average increase of up to 6HP and 7ft-lbs. of torque, are you saying that they are making false claims? Not sure if I'm understanding correctly.