Q: will 4inch exhaust damage my car
i own a nissan sentra ser spec v 2006, i am interested in buying a after market exhaust system from headers to muffler. the product i purchased comes with a 4inch exhaust for my stock car, and a elder of mines tells me that 4inch for my car is to big and it would cause the car to have no back pressure also following in engine failure, he tells me that 4inch is usually for turbo charged cars, is it true?
My car has 132000 miles.
My car has a manual transmission.
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