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SJFGTO · 06-12-2021, 11:40 AM

2 inch ARH headers, no cats, full ARH system here. Very nice fit. Has a deep “muscle car” sound, it has a low tone rumble around town but a very loud roar at part throttle. Zero rasp which is unusual for no cats. There is some drone to be honest, but not any where near an obnoxious level. I think if I were to run cats on a FI engine, I’d go with the GESI cats to be safe.

06-12-2021, 11:40 AM	#9
SJFGTO Oh Oh it's Friday Night! Drives: 2018 ZL1 1LE Nightfall Gray Join Date: Jan 2018 Location: Walton Woods Posts: 1,061	2 inch ARH headers, no cats, full ARH system here. Very nice fit. Has a deep “muscle car” sound, it has a low tone rumble around town but a very loud roar at part throttle. Zero rasp which is unusual for no cats. There is some drone to be honest, but not any where near an obnoxious level. I think if I were to run cats on a FI engine, I’d go with the GESI cats to be safe. __________________ 2018 Camaro ZL1 1LE NFG; ARH 2” headers, catless mids, ARH full exhaust, Lingenfelter 18% lower pulley, ATI Harmonic Balancer, Roto-fab CAI, EE-catch can, TM ported TB, NX Lid, BMR strut tower brace. Aeroforce dual pod interceptor gauges. Tuned by Vengeance Racing!!! 644 HP @ 6250 rpm / 689 trq @ 3660 rpm Four that wanna own me Two that wanna stone me One says she's a friend of mine...