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06-12-2025, 02:10 PM
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#1 |
 Drives: 2022 Vivid Orange LT1-M6 Join Date: Dec 2015
Location: Houston TX
Posts: 435
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02 extensions for ARH Headers
Does anyone know what length or how many is needed for ARH 2" headers on a M6 car? I bought a used set but didn't get the extensions and I'm seeing sizing from 12" to 36".
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2022 Vivid Orange M6 LT1 - 2" ARH headers with cats and offroad setup (full system,), 3" ARH Pure Thunder mufflers, ported MSD intake, Soler 95mm tb, Rotofab CAI, E85 flex fuel, tuned by Jason@snackbartuning, Forgestar D5 18x8 fronts with 245/40/18 and Forgestar D5 17x10 rears with 275/40/17 summer tires.
Old car 2016 M6 SS - MSD intake, Rotofab, 2" ARH headers with cats, E85 with EFI Tuning. Best ET: 11.7@122mph |
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06-12-2025, 06:09 PM
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#2 |
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Drives: 2019 Camaro 1SS1LE Join Date: Jan 2024
Location: Utah
Posts: 370
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Worst case, go long and zip tie the excess.
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2019 1SS1LE M6 Shadow Gray Metallic
ProCharger D1X Race Kit - 4.25" Pulley || GPI Pistons/Rods - ACL Bearings - ARP Hardware || LME Timing Chain Guide || Katech C5R Timing Chain || Katech OE Spec Billet Oil Pump || OE Ported Heads || CHE Trunnion Upgrade || BTR 220 Cam - BTR .660" Dual Springs - GM Racing "Caddy" Lifters - BTR 3/8" Pushrods (7.825") || ATI Balancer || LT4 Injectors || LT4 HPFP || JMS BAP || DSX Flex Fuel || LT2 Intake Manifold || LTH (Catless) || Stainless Works Redline Series NPP || 91 + 8oz Boostane 7/26/2024 Tuning in progress |
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06-12-2025, 06:43 PM
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#3 | |
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Drives: 2022 Vivid Orange LT1-M6 Join Date: Dec 2015
Location: Houston TX
Posts: 435
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Quote:
__________________
2022 Vivid Orange M6 LT1 - 2" ARH headers with cats and offroad setup (full system,), 3" ARH Pure Thunder mufflers, ported MSD intake, Soler 95mm tb, Rotofab CAI, E85 flex fuel, tuned by Jason@snackbartuning, Forgestar D5 18x8 fronts with 245/40/18 and Forgestar D5 17x10 rears with 275/40/17 summer tires.
Old car 2016 M6 SS - MSD intake, Rotofab, 2" ARH headers with cats, E85 with EFI Tuning. Best ET: 11.7@122mph |
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06-18-2025, 11:41 AM
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#4 | |
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Drives: 2019 Camaro 1SS1LE Join Date: Jan 2024
Location: Utah
Posts: 370
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Quote:
Should just give ARH a call, they can tell you how many you need and what length exactly.
__________________
2019 1SS1LE M6 Shadow Gray Metallic
ProCharger D1X Race Kit - 4.25" Pulley || GPI Pistons/Rods - ACL Bearings - ARP Hardware || LME Timing Chain Guide || Katech C5R Timing Chain || Katech OE Spec Billet Oil Pump || OE Ported Heads || CHE Trunnion Upgrade || BTR 220 Cam - BTR .660" Dual Springs - GM Racing "Caddy" Lifters - BTR 3/8" Pushrods (7.825") || ATI Balancer || LT4 Injectors || LT4 HPFP || JMS BAP || DSX Flex Fuel || LT2 Intake Manifold || LTH (Catless) || Stainless Works Redline Series NPP || 91 + 8oz Boostane 7/26/2024 Tuning in progress |
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06-18-2025, 03:39 PM
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#5 | |
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Drives: 2022 Vivid Orange LT1-M6 Join Date: Dec 2015
Location: Houston TX
Posts: 435
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Quote:
__________________
2022 Vivid Orange M6 LT1 - 2" ARH headers with cats and offroad setup (full system,), 3" ARH Pure Thunder mufflers, ported MSD intake, Soler 95mm tb, Rotofab CAI, E85 flex fuel, tuned by Jason@snackbartuning, Forgestar D5 18x8 fronts with 245/40/18 and Forgestar D5 17x10 rears with 275/40/17 summer tires.
Old car 2016 M6 SS - MSD intake, Rotofab, 2" ARH headers with cats, E85 with EFI Tuning. Best ET: 11.7@122mph |
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