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91LX2Bfast · 11-02-2001, 12:52 PM

No, the stock is 2 1/4". Almost all aftermarket uses bigger 2 1/2" pipe, which will bolt up to the stock stuff fine. I believe the newer Cobra's have 2.5", and aftermarket catbacks are 3" for them, but the GT's have 2 1/4" stock w/ 3" tips.

11-02-2001, 12:52 PM	#1
91LX2Bfast Registered Member Join Date: Dec 1999 Location: Warrington, PA Posts: 694	No, the stock is 2 1/4". Almost all aftermarket uses bigger 2 1/2" pipe, which will bolt up to the stock stuff fine. I believe the newer Cobra's have 2.5", and aftermarket catbacks are 3" for them, but the GT's have 2 1/4" stock w/ 3" tips.