- Joined
- Oct 30, 2017
- Threads
- 79
- Messages
- 479
- Reaction score
- 294
- Location
- Tampa, FL
- Website
- www.lethalperformance.com
- First Name
- Logan
- Vehicle(s)
- 2020 GT 3.0L Whipple
Unless you're revving very low, that should be 11 psi with catless headers.. At least on all the cars we've tested. Not that it really matters, just was curious.3.75
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