Previous to the GTMs 3' test pipes, What did you have installed with your Stillen exhaust?
stock cats? HFC's?
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Stillen [gen3 CAI + headers + HFC + Exhaust + UD Pulley + lightweight flywheel] + Uprev e-tune+ PC680 Odyssey battery + oil cooler + MishimotoThermostat = 312whp + 252wtq @1,500mts or 5,000ft elevation
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