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if you want to keep it n/a, just go ahead and get AFR 165s or 185s(better hp numbers after the engine peaks). like someone else said, dont forget ARP head bolts and quality gaskets if you really wanha bump the compression.
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94 Steeda- sold- 355rwhp on a 75 
02 Roush 360R- sold- 400rwhp at 8psi
04 Mach 1- K&N drop-in, Steeda tri-ax, Pypes o/r X, Super 44s, 04 IRS 
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