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Z OH 6 · 10-27-2025, 03:26 AM

You can't use a larger throttle body without a tune. The best you can do stock is the Soler Performance 87mm (Eff 91mm) throttle body. Otherwise, you will have to tune your ECM.

10-27-2025, 03:26 AM	#3
Z OH 6 Drives: 2024 CT5-V Blackwing Join Date: Sep 2020 Location: GA Posts: 3,557	You can't use a larger throttle body without a tune. The best you can do stock is the Soler Performance 87mm (Eff 91mm) throttle body. Otherwise, you will have to tune your ECM.