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the muffler and exhaust mod thread
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02-29-2012, 10:07 PM
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Ladogaboy
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Join Date: Oct 2011
Location: Los Angeles
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Ladogaboy
- '11 Mitsubishi Lancer EVO GSR
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- '11 Mitsubishi Lancer EVO GSR
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With stock tuning, I have no idea what the actual lifespan of the cat is. It's 5 years before these cars are required to be smogged, but my guess is, the cat would probably have to be fully replaced by that point.
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