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Old 12 Apr 2011, 08:31 pm
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Default 96 honda accord exhaust back pressure?

does anyone know how much back pressure a stock f22b1 vtec engine should have?
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Old 12 Apr 2011, 08:46 pm
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Posts: 1,338

honda doesn't publish that information as there is no practical way for anyone to measure it in the field.

you can look at engine vacuum to see if you have an abnormal vacuum if you have a restricted exhaust but the only way you could measure the effect of a low backpressure exhaust versus a stock exhaust would be to test two comprable cars that have different exhaust systems.

if you're looking at an exhaust system the contact the maker of the system for their engineering data on flow rate and backpressure. everyone will be different.

hope that helps
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