I would go with the shifter, my second choice would be a cai its only like 80 bucks on ebay and it adds 5-7 i think although it claims 10-14. :dontknow:
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2002 Mineral Grey 3.8
Performance Mods: CAI/Dual Flows/MAC LT's/ASP 25% UDP/.....
Appearance Mods: 17x9 Chrome Bullets/GTHS/M1GD,M1CS/...
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