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You may see a little bit on top, but that's about it. The gains on a Stage 1 tune are really negligible compared to the stock intake with a high flow filter.
On an untuned car you would see more of a benefit with the Grimmspeed intake, the Stage 1 tune pretty much just overshadows it.
Sincerely,
Delicious Tuning
Last edited by DeliciousTuning; 04-11-2019 at 06:23 PM.
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