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Originally Posted by Gary Drexler
What would the best bang for the buck to increase the performance of an 04' GTO,
without compromising the integrity of the engine, or exhuast?
1) nitrous oxide kit (how much $$ to refill the bottles)
2) heads / cams pro performance package
3) cut out mufflers only and replace with straight pipes
4) reprogram factory computer settings with an SLP Predator
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With these choices the only one to not compromise the engine or exhaust is the Predator.
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2006 GTO IBM/Black M6
1969 GTO PHS #'s match sold, good riddence
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