I'd have to say the track wasn't prepped well at all. If they didn't put a good coat or two of VHT after sweeping/blowing the track off it wasn't well prepped.
But a purchaser of a Stage 1/2 only gets a 3/36 for a GT Mustang as a Roush equipped Mustang GT becomes Roushs responsibility negating the Ford Warranty.
Got my car back this afternoon and as I know ROUSH trolls this forum from here on out I will be tight lipped about my cars performance. I did not repeat did not get the newest calibration. Timeline is this on my installation originally done near Christmas 2019, 750 bump in February. Yes...
It does but I didn't have to get the latest revision. I missed an update after my Phase 2 power bump. Ford opened a claim with validation on both cats needing replacement. I think Roush is puked out on this whole calibration and catalytic converter debacle and they may not want to pay this...
Not happy with Roush either. Dropped my car off late Friday for the new Cats to be installed first thing this morning as the car went on a rack late Friday. New cats are installed and I told them I did not want the new calibration installed with the issue still being there. Roush said it had to...
Typically they rattle, loss of performance and fuel mileage. Lastly a smell but can't imagine a new converter emitting a rotten egg smell with all the platinum they now have.