HKusp
Well-Known Member
- Joined
- Jul 22, 2021
- Threads
- 37
- Messages
- 2,228
- Reaction score
- 2,875
- Location
- Hampton, Md.
- First Name
- Jason
- Vehicle(s)
- 2018 Mustang GT
There are cars over 800whp with the stock cats and they're showing zero signs of exhaust restrictions. You don't NEED LTH's to make the power you are looking for, especially for the cost/effort to install.Hey man, your setup is basically what I've been inputting on the ESS option list. I'm debating 125mm or 120mm pulley. I'm thinking 125 mm pulley to be on the safe side even though 120mm is ok for gen 3 because of direct injection. Just looking for whp in the mid 600 range and just drive the thing. What I'm on the fence is, should I or should I not get FFE headers. Will the stock cats be ok at 600whp levels.? I've read clearance problems with aftermarket header and they can cause false knock.
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