Production Cup Rule Changes:

2.10.C The stock airbox, air box cover, air filter and intake snorkel must remain in place and
connected as they came from the factory. The air box drains may be sealed for fluid
retention. No other modifications of the airbox, air filter or intake snorkel is permitted.

Change to: Unlimited changes of Airbox.

2.10.M Hand and foot controls, rear sets, handlebars, throttle, and levers may be replaced
with parts of unlimited origin. Brake master cylinders must remain stock.

Change to: Hand and foot controls, rear sets, handlebars, throttle, and levers may be replaced
with parts of unlimited origin.

Strike the the brake master cylinder as many of us are having issues with the stock master cylinder setup (and we've requested this in the past).