Paul the fellow with the 98 purple z28, mid length Mac headers pulled 318 rwhp.
You should dyno your stang sometime,its a blast.
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99 A4 SS black convert.#223
All the free mods,K&N,cut out,TR6's,SLP lid.
13.2 1/4 mile at 105 mph.
312.1 hp 345.7 tq
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