If I didn't mention it; you're not allowed to do it in STOCK class. The only rules I mentioned are for STOCK class.
That's the 2009 rules as they pertain to New Beetles. I skipped a few that wouldn't really affect us.
As you can see, there's not alot you can do except:
Change the brake rotor & pad. (hawk HP+, and EBC Greenstuff are my favorite streetable)
Change the tires.
Get Light 16" wheels.
Better restraints. (the less you move in the cabin, the better you'll do)
shocks/spring combo. (can't get coilover, but could go w/ClubSport kit)
Remove your front swaybar. (or not, Idk if that's a good idea)
Swap swaybar bushings with poly.
Lower control arm bushings could be replaced.
Shims may be used in the rear to give you more toe-out. (be careful about brake rotor alignment)
Good spark plugs (we have pretty strong ignition system already, but you could go MSD)
Remove the air filter element if it's not a dusty environment. (20 minutes can't be that bad can it?)
Slightly larger Catback system?
Turn off ASR/ESP.
That's all except for the update/backdate rule. Which says you can use parts from any YEAR of that vehicle's manufacture. You could use Turbo S springs, Turbo S turbo, Turbo S transmission, Turbo S injectors, Turbo S/Sport seats.
regarding tire pressures: I recommend a high rear tire pressure; and a low/medium front tire pressure. If it feels like the backend is squirrelly, you've gone the right direction; now just keep it from getting out of control.
Also: Get a helmet, and a good tire-pressure gauge w/a button to release pressure. Each heat the tire temp goes up, and so will your tire pressure.
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