shit if u got all this money to spend hit up blackjack his 3400 is turboed to hell, but I dont know I got a 2.4 but ur best bets are CAI, headers, exhaust, maf sensor, supercharger, forged internals and u should be good for atleast 400 hp, im sure others will post later about what they have on their 3400, good luck to you, search in the 3400 section find out somethings urself
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