Thread: Secondary Cat Delete
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      07-21-2018, 09:51 PM   #39
hellokitty
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Originally Posted by bmuum3 View Post
Did you lose all the raspy noise from the catless downpipes?
Yes, IMO must have mod for anyone running catless downpipes. I am not sure whether it's a placebo effect but it seems to have smoothened out my throttle response as well. Could be attributed to the better flow without the secondaries choking it up.
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