Correct. BUT, if you install an aftermarket exhaust, brakes and intake, the rest of your car is still under warranty. It is all cause-and-effect. As long as the modification didn't effect the part that failed, it still is covered. (For example, your trans may fail because you increase horse power beyond its original specs. So, in that case, even though you didn't touch the trans, you still void ITS warranty. But, adding an exhaust or even a clutch that meets the required specs of the original clutch does not void that warranty.) Many car dealers will tell you otherwise, but they are wrong.

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