If you've got Dynatech Supermax Headers please step in
Thinking about buying their lung tubes with high flow cats and x-pipe.
What are your impressions:
1. Quality of parts
2. Installation issues? rubbing, fit, etc?
3. Power, before and after, what other mod do you have
4. Did you go with the complete system, high flow cats and x-pipe
5. Codes or any driveability issues








