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I have kooks long tubes without cats and a borla atak catback and it sounded good before the cam. After the cam and heads, the car sounded amazing better than I could have expected.
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LSA conversion 2.5 upper 10% lower, L99 converted to LS3. TSP 229/244 cam, TSP LS3 ported and milled heads milled .015,Kooks LT’s no cats, Roto Fab, Borla arak cat back. 3200 stall,Forgestar F14 18’s and drag radials, pedders coil overs, BMR trailing arms & adjustable toe rods, mildly stripped Interior 685/613 on E 610/571 on 91
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