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Old 02-16-2022, 09:49 AM   #9
SHE'Z 18
 
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Drives: 18 ZL1 - M6
Join Date: Mar 2019
Location: MI
Posts: 457
So to be clear, some of you are running E85 without going to LT headers? Will / does E85 have a negative effect on the primary cats? I have an AWE catback (no secondaries) and am looking for a way to increase HP / TQ without going to headers. The car is loud enough!!

Thanks everyone
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