Originally Posted by Gumball
Just guessing but to get 290rwkw on the advan dyno from a n54 tune and midpipe only is impossible without meth or e85.
I have no idea what flash tunes that work well with the 1m have e85 maps. Mixing e85 with 98 octane is nearly as good as meth.
Sorry not 1m specific but i would look at flash tunes and e85 map support.
I know mate.. Just making a guesstimate of a 10% Cobb gain..
My figures are from the Advan
dyno, and I have had several consistent dyno's there..