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If the HSV system 'too noisy', get a pair of bi-modal valves for the mufflers.Thanks. I'm assuming the engine bays of a Caprice and a commodore are identical with just the "after cat" length being longer in the Caprice?
Should do the sedan wheelbases are different but that should only affect the mid section not rear mufflers.Does anyone know. Would the rear mufflers from a ve gts fit a wm caprice?