Thanks!
Quote:
Originally Posted by guiguilandry
and as a personal information... does the 3500 upper plenum make a great difference... or has it to be used with the lower 3500 plenum...
for the 3400/3500 i'm a noob lol
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The stock 3500 upper and lower can be utilized independently, but are only effective if they're match-ported. I've been running the 3500 uppper with the 3400 lower. The 3500 stock manifolds are reported to out-flow fully ported 3400 models. Once the 3500's are ported/polished, they have incredible flow properties.