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Hheatt_ZL1 · 01-11-2018, 06:41 AM

I did the 2" ARH with 3" off road X pipe, no cats, stock muffler, dry CAI (ROTO FAB) , 9.10 lower pulley w/ innovators harmonic balancer and a hand ported TB.....670hp no tune. Finally going to get it tuned next Wensday.

01-11-2018, 06:41 AM	#10
Hheatt_ZL1 Drives: 2018 ZL1 6spd Join Date: Dec 2017 Location: Al Posts: 19	I did the 2" ARH with 3" off road X pipe, no cats, stock muffler, dry CAI (ROTO FAB) , 9.10 lower pulley w/ innovators harmonic balancer and a hand ported TB.....670hp no tune. Finally going to get it tuned next Wensday.