Quote:
Originally Posted by shoenlace
I've heard the newer 328 with n51 engine comes with 3 stage manifold installed, so the question is will i get the same result with just a PE, PI, and AA tune?
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I think the AA tune results will be similar with the DISA smoothing and slight increase, the HP numbers will be different since n51 has different compression.
I would not worry about exhaust and intake as much.
K&N and charcoal delete is popular for intake modding
To get anywhere with exhaust you have to cut out cat converters: headers or secondary cat delete