I thinki Drilled mine as well in case it was needed later ....
I'll have a look later , but I think I remember drilling a pilot around 1/4" while it was easy and off the car with the tips removed
But basically on a 2003 the chamber layout and gas flow is different ...
My idea was to follow what porsche did with the Pse which to all intents was a modded stock muffler , as they all ready took care of engineering out the drone
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