Quote:
Originally Posted by streetz
he started the thread because of the boost level and 93oct vs hp. Not total hp. Plenty of members have hit mid to high 600.
A dual 2.5" exhaust should flow way more than 600hp. I dont think it would come into factor until 1xxx numbers. Maybe im confused and you guys are talking about a single 2.5"?!?
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i was running the ark grip 2.5'' exhaust on my car. Car made 501whp at 10psi. Aam installed a custom 3'' system on the car and the car made 580whp on that old tune. Nothing else on the car was changed. Same dyno. Similar conditions.