K20 K20Z3 06-11 Honda Civic Si FG1 FD FA K-Series Tri-Y 2.5" Header Exhaust 2.0L 8th Gen FA5 Coolant Temperature Sensors The K24 option is for

The K24 option is for cylinder headers with the upper coolant housing on the side

*Volkswagen engine codes AWW & AWP require trimming of the vacuum reservoir bracket for proper fitment as the hold downs will interfere with the vacuum reservoir

Measured at

This atmospheric diverter for the OEM valve dumps the charge air into the atmosphere creating the 'Whoosh' sound when the throttle is lifted

crossover hose and hardware

K20 K20Z3 06-11 Honda Civic Si FG1 FD FA K-Series Tri-Y 2.5" Header Exhaust 2.0L 8th Gen FA5 Coolant Temperature Sensors The K24 option is forK20Z3 06 11 Honda Civic Si FG1 FD FA K Series Tri Y 2. 5" Header Exhaust 2. 0L USA Civic Si K series FG FD FA Tri Y header featuring a true step up exhaust header design. The Tri Y header delivers low to mid end power while utilizing a four piece design which maximizes the engine compartment space. This exhaust manifold is ideal for all forms of competition; Autocross, drag racing and road racing. These also include Gaskets & all necessary hardware