ok guys picked up a 1998 gtp today black 4 door has a 3.4" pulley ported blower cold air intake 3" catless downpipe what is my next option i want the best horsepower i can get out of it and the best bang for the buck let me know my options???
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08-29-2011
ok guys picked up a 1998 gtp today black 4 door has a 3.4" pulley ported blower cold air intake 3" catless downpipe what is my next option i want the best horsepower i can get out of it and the best bang for the buck let me know my options???
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