Originally Posted by afm
Thaks again...nice info about materials...
What pipe are you currently using which in your experience works out best..... In may case i've found that the best pipe with a nice overall balance and works on almost every engine i've used (Sirio, STS, OS. Novas) is the Mugen Shimo P01002 (efra 2609), just tuning it with different Nova headers (short, medium, long)....
AFM
We tryed almost every pipe on market and end up using JP 2620 an Novas 2630. It is depend on driver preferences, but still around these 2 pipes.
BTW using that pipe calculator I found what will be difference between pipes.