Concrete GT
Well-Known Member
- Joined
- Jan 3, 2016
- Threads
- 3
- Messages
- 461
- Reaction score
- 243
- Location
- Central Florida
- Vehicle(s)
- 2015 Mustang GT Ruby Red Vert
Good question as I'm seriously thinking of going with the Steeda cia which comes with a restrictor tube. If I got this tune only would I have to run with the restrictor tube in? If I took it out would it be the same size as the Rousch cai without it's restrictor tube?I would imagine the tune with air filter is different as it will be changed to accommodate the different maf tubing size on the Roush CAI.
Also I'm assuming the final 4HP they advertise comes from the strait thru design of the mufflers on the axleback. I already have the FRPP Touring catback with x pipe. I wonder if I could get closer to 40 additional HP over stock going with the tune, the Steeda cai and my existing catback system? I also run strictly 93 octane and I know Rousch said there's no difference between 91 but I'd be willing to bet there would be at least an additional 3-5 HP.
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