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Buy an intake system from a good company like K&N, AEM, or GM Performance Parts. Don't go cheap with anything. A drop in filter will also give u a freeer breathing engine but a CAI will yield more performance.
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Triple Black 2003 Mustang GT Convertible
Current Mods: | Motive 4.10 Gears | Mesh Grille | Zenn Drop Springs | BBK Shorty Headers | BBK O/R H Pipe | Smoked Tails | Fuego Tuned
Upcoming Mods: 75mm TB | Plenum | Patriot Stage II Heads | Stage II Cams | Flows

Goal: 310 rwhp N/A...then Supercharged
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