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where can i find a 2.5" cat for a 90 miata.... freaking FM's high flow cat is a 2.25 ID in and 2.5" out. well that doesnt work with my tony DP... so holla out on this people.
The workmenship on the exhaust is excelent. Silverline (ANSA) cans where used on mine. They are 3" main tube down to 2.5" at the split. There are no sharp bends (90 deg) in the system.
I have not heard the exhaust yet as my car is under constuction at the moment.