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SXTH & Tork have downpipes for the ES, but I don't see any dyno sheet with the before & after dyno numbers. From previous experience in turbo cars, the gains are suppose to be +15-20hp with stock tune. Does any has been able to verify this?
It's possible that the stock tune do not like the downpipe upgrade and this is why dyno sheet does not exist?
It's possible that the stock tune do not like the downpipe upgrade and this is why dyno sheet does not exist?