Quote:
Originally Posted by steve99
yes happens in a lot of tunes especially for EL headers, its to do with aggressive valve timing/overlap changes to reduce torque dip.
its actually coming from intake in many cases
you either put up with noise or get some torque dip back
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Interesting. I'm actually changing headers as well now, going with OFT's UEL Header. Will be interesting to see what that changes. Truthfully, i'm just glad i'll have a header that doesn't intrude up into the engine bay anymore. Like I need more heat up there...