jrsimon27
Well-Known Member
- Joined
- Apr 3, 2015
- Threads
- 74
- Messages
- 655
- Reaction score
- 148
- Location
- Outside the USA
- Vehicle(s)
- Mustang GT 2016 PP
- Thread starter
- #1
I want to delete the catts in my car doing a search most people get like 20whp just by removing them but some say you need a retune and others say you dont need a retune that the cars ecu adjusts itself.
So which is it?
Thanks.
So which is it?
Thanks.
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