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#15: 02-15-2013, 08:28 AM
 
 SSpeed
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Location: Denver, CO
Car: '05 Legacy GT Ltd, '99 Outback
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Did you replace the dogbone as well? I've heard that's what causes the extra NVH.

I replaced both engine and tranny with GroupN and didn't notice any extra NVH. I have stock mufflers so any extra NVH would really stand out.