Fast Intentions exhaust is here!

wstar

Semtex thinks it's probably mainly the fault of the Stillen Headers, rather than the Berk HFCs. He had Berk HFCs with stock manifolds first and didn't have a big issue, but after putting the Stillen headers on his car, the outlet of the HFCs appeared to be lower than it should be. Also, there are a lot more cars on this board running the Berk HFCs than there are the Stillen headers, so we'd probably have heard more about it by now if they were causing fit issues with various catbacks.

In my personal case, the Stillen headers and Berk HFCs went on at the same time (before any other exhaust stuff), and I've had no end of problems with catbacks since, although at least with the FI catback they left so much clearance in the center of the car with their design that the issues were trivial.

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7AT Track Car!
Journal thread / Car setup details