right, the bottleneck of the exhaust is what the entire system flows is what I read once. Naturally having a larger turbo outlet will aid in the flow of exhaust gas. I never understand why people upgrade to a 3 inch or larger exhaust and retain the stock elbow.
It would be nice to see a dyno comparision though. stock vs aftermarket, all other things equal.
Heres some snaps of mine that I picked up for 25 bucks, compliments JDM Addiction, here in florida.
Any clues on what this one is?