Quote:
Originally Posted by E82TT6
380-400whp is possible on streetgas with the upcoming Procede 2.1, or Helix with IC, Catless DPs. Intake and catback might help a little, but not too much power to get now.
With 100 oct people have seen over 400whp.
However, the snails (turbos) are ACTUALLY the size of a large snail in this case, so they're really running out of steam. With stock turbos, you're much more likely to blow them up than the engine.
The stock fueling isn't good for much past 400-420whp, so it'll be a while before anyone breaks that. Direct Injection is very new, and it'll take some time to develop higher flow HPFP, fuel rail, injectors, etc.
No one really knows how much the internals can hold up to.
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a true cai (not a sri) will make about a 10whp difference, i've seen multiple dyno charts of multiple intakes. and if you're at 400whp with the stock catback, removing the secondary cats and replacing the muffler will def. make more power. The stock muffler/cats will always become a restriction when you're making 130+whp more than stock.
-Chris