Quote:
Originally Posted by J1Avs
I would definitely retune, if you were going catted, maybe you could get away with it, but with the additional airflow a catless EL is going to enable, I feel a tune is necessary to actually reap any major benefits out of it. Personally, I’m also of the mindset to want my tune to be 100% in line with what’s going on with my car, because with boost, any margin of error just doesn’t seem with the worth it.
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digging up the past i know, but im still toying with buying that el catless header. i realise i wont fully maximize power gains without redyno. but will it be BAD for my engine, throw off the air/fuel etc, if i replace the oe header with a catless el and dont re dyno.
i dont have the ecutek cable, and iirc, the tuner "sealed" my tune on my ecu, so no other tuner could open it and steal his tricks? is that right or am i out of my mind?