Numbers aren't everything. My experience was the car felt much better going from 3inch to 70mm. Sure, 3 inch probably makes more numbers, but i enjoy driving my car and value the driving experience more then the print out from the rollers.
I find it funny reading interviews with Japanese tuners and reading interviews with american tuners and how they both have conflicting ideas/methods.
http://www.hybrid-racing.com/blog/ja...ngine-service/
Long read, but you will understand what I'm saying when you get to the end.
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