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Old 10 Jan 2013, 07:31 am
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Default if i do a engine swap do i need a new exhaust?

im putting a b20 vtec engine into my ek3 and i was wondering if i can use my stock exhaust to make it look like a sleeper
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Old 10 Jan 2013, 07:47 am
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2 items in play here. Check the specs for the engines for back pressure ratings. If the output of the new engine is much larger it will cause excess pressure and shorten valve life. The other thing is the current condition of the exhaust, does it need replaced?
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Old 10 Jan 2013, 08:03 am
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The only bit people will notice is the final part so run the big exhaust to the last foot an fit a smaller bore chrome tailpipe inside a black high temp painted larger piece. This way a casual glance will see the small chrome bit and you'll have minimal effect in flow.
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