Measuring
Air Filter Side

Time: 5 Minutes
Tools: Ruler, phillips head driver
Step One
Locate your air intake opening, by the air filter box

Step Two
Loosen the clamp with a phillips head driver or hand tool

Step Three
Open up the air intake, locate the best side for measurement

Step Four
Measure the (I.D.) Inside Diameter in millimeters

Pro-Tip
Measure the side with the smooth tube, compensating for adjustments. Not the accordian flex tube side


Measuring
Engine Side

Time: 5 Minutes
Tools: Ruler, phillips head driver
Step One
Locate your throttle body opening, by the engine

Step Two
Loosen the clamp, using a phillips head driver or hand tool

Step Three
Open up the throttle body by gently wiggling free

Step Five
Measure the (I.D.) Inside Diameter of the opening in millimeters

Pro-Tip
Measure the opening by the butterfly valve, also checking for clearance of 4-5cm depth