Here's best 2-1 exhaust system ever made for pre-gen. Unfortunately was only one-time deal:
https://www.ninjette.org/forums/showthread.php?t=13852
Here's listing on their website:
http://www.areapnolimits.com/product...Ninja-1988.php
If any one has an Area-P 2-1 exhaust system for pre-gen, can you please make some measurements for me? Need following:
- diameter of header pipe at exhaust ports
- length of header between exhaust-port and merge
- diameter of exhaust-pipe after merge
- diameter of exhaust-pipe going into muffer.
I'd like to make one with real merge-collector. Thanks!