Interesting how the 20r seems to like the exhaust upgrade so much on paper. My header is broken off right at the Y pipes right now and I had no trouble doing 80 on the way to work today with 32s and stock gears.
My 22r on the other had seems to like more restrictive exhaust based on actual driving. I think though that the 22r exhaust anomaly has more to do with how my stock aisan carb works than anything. If I was running weber I suspect I would be getting different results.
