Going L92/Sheet metal will put you well beyond your stated budget of $3500! The last sheet metal intake we purchased for a combo was well into the $2000 range! Those intakes can also have a BIG affect on RPM range of the engine, which can hurt your driveability if that's a concern.
For the average DD, the GM L76/LS3 composite intake will be just fine. We've built plenty of combos with the PRC L92 heads and that intake in your HP goal range! Let us know if we can help!
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