1. Everyone seems to think that nitrous purge is just to show off. The real reason behind purging is that you want cold liquid nitrous flowing while you squeeze and not nitrous gas. A purge kit is simply an extra solenoid and plumbing lines.

2. We tap the nitrous supply from the bottle and attach a T fitting to supply nitrous to the extra solenoid.

3. Here's the T fitting just before the inlet solenoid.

4. The line is plumbed underneath the car into the purge solenoid. If you do want to show off, you can the purge exit almost anywhere, from the hood, the grill or everyone's fast and the furious favorite, from the fender.

5. The hard line is then clamped underneath and terminates just a little before the side skirt.

6. Press the button and whoooossshhhhh. Purge galore!

7. A switch panel is used to control everything, and yes, the big red button is used to purge.