USMC11
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- Apr 14, 2010
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04 RC w K&N and custom exhaust magnaflow mufflers and side pipes. all four cats.
came in at 427 hp and 427 tq. At first thought they were good numbers but now wondering if they're a little low...what's everyone think?
came in at 427 hp and 427 tq. At first thought they were good numbers but now wondering if they're a little low...what's everyone think?