Skunk2 06-11 Honda Civic Si 72mm Electronic Throttle Body (309-05-0001) 1527 Removes the factory catalytic converters

Removes the factory catalytic converters

Only Heat Exchanger on the market with a drain plug and bleed screw to ensure no air is trapped while adding coolant

8 Description_ASM Front Orangestuff Race Brake Pads FMSI D804 99 thru 2003 FORD Mustang (4th Gen) 4

but custom tuning is still required

Skunk2 06-11 Honda Civic Si 72mm Electronic Throttle Body (309-05-0001) 1527 Removes the factory catalytic convertersThe Skunk2 Racing 72mm Electronic Throttle Body (ETB) for the 06 11 Honda Civic Si is an easy solution for increasing the airflow your Honda K Series engine needs to make more power. The Skunk2 72mm ETB flows 50% more air than the restrictive 64mm OEM throttle body. The 72mm ETB improves the throttle response and efficiency of both naturally aspirated and boosted engines. Skunk2 ETBs are CNC machined from billet 6061 T6 aluminum. Our ETBs feature a