27-03-2014, 01:56 PM
Many people have, I'd go 3" downpipe if possible town to a 2.5" after it's under the car.
Otherwise 2.5" all the way back is fine, ZX runs 200bhp+ on a 2.5" system.
Otherwise 2.5" all the way back is fine, ZX runs 200bhp+ on a 2.5" system.

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