09-17-2017, 09:07 AM
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#3
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Drives: 2017 ZL1
Join Date: Mar 2017
Location: NH
Posts: 278
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I did headers before catback, and honestly I will probably pass on the catback now.
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2017 Camaro ZL1, Nightfall Gray Metallic: M6, PDR, exposed CF, navigation, sunroof
Mods: Rotofab CAI, Tony Mamo TB, Kooks headers (green cats), 18% LPE lower pulley, E85/FlexFuel sensor. BC Forged RS41s (19x10, 19x12)/PS4S, R888R (305/325)
Dyno: E40: 661whp/703wtq, 93: 633whp/674wtq
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