Do you have to replace motor mounts when putting in a set of mac long tube headers???

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:stupid: It's a VERY good idea if you have a higher mileage car! A buddy of mine with 65k on his gt didn't and boy was it a p.i.t.a. until we swapped his mounts the next day. Save yourself a big headache and buy a set, but be prepared to change your steering shaft to a flaming river design that does away with the rag-joint because most likely it'll rub pretty good...