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'04V, '05V, '06SRT8, '10V, '13ZL1, '12 V, '16 Z06 SC757
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There was an issue with harmonics in the radiator hose at certain rpms. Do a search on the FAQ's to confirm. Rear diff' whine is loudest for me at a steady 3,000 rpms in any gear. It's way loud.
 
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