Evo X Throttle Body modified by Boomba Racing.  YOU MUST SHIP YOUR THROTTLE BODY TO BOOMBA RACING FOR THIS MODIFICATION.  LEAD TIME 2 BUSINESS DAYS.  Throttle body is bored to 64 mm and retrofitted with larger throttle plate. Opening the throttle body to 64 mm increases effective cross section by 14% while maintaining throttle body’s rigidity and structural integrity. Throttle body modification does not affect car's drivability. This modification is an absolute must for every car running after market turbo or intercooler.