Originally Posted by
finchy
Anybody using or have tried the HIPEX 2115 pipe with this engine yet. I know Collari uses it on his modified R2101 engines. Just would like some thoughts on how it compares to the OS Speed pipe.
I will be doing some back to back comparison next weekend at our first race meet of the year.
How was your testing? Which pipe /header combos did you try? Results of the performance?