Ozark Mountain Region SCCA

By FI, he's talking forced induction. Turbos act as a bit of a sound dampener. I'm guessing your car is something naturally aspirated? A straight-piped car is going to be painfully loud for you and everyone else, and be pull-over bait on the street. Since the exhaust note is something you will be l...

I would thing that at MINIMUM, some sort of baffling system should be in place, but that is just me. Running just a straight pipe, on a non-FI car, doesn't really give that many benefits. I guess FI means something other than fuel injected? The main benefit for me is price. I'm looking at exhausts ...

In the rule books while describing modifications to exhaust, the book always says something along the lines of, "exhaust will terminate behind the driver and be muffled." I was just wondering how strictly enforced that "must be muffled" part is. For example, if my exhaust was essentially a straight ...