10th gen si turndown pipe - Is it dangerous for the engine to use?
03-02-2020, 09:10 PM
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10th gen si turndown pipe - Is it dangerous for the engine to use?
On my civic I have a catless downpipe to a frontpipe that I have the prl turndown pipe, people are telling me that I'm gonna ruin valves and hurt the engine, anyone think that is possible or is it fine for the engine
03-05-2020, 11:42 PM
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rev210k
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02-24-2007 02:58 AM