yes, greater exhaust types would be a great deal better. The wierd boxy upgrade units make GT cars look abit silly and the fixed position halfway up the rear bumper is just stupid to look at and ruins any good cars I have. Astons, Corvettes and others all look crazy with a bloody exhaust poking through the bumper rather than underneath or from the side-skirts as on real cars.
Spitting exhauts would look MUCH better too and add alot to the look of the game especially in replay modes.

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