Price shown is for a set of two TGV delete spacers (right and left).
This kit eliminates an emission control device and is therefore legal for off-highway use only. Furthermore, a check engine light will be present when the OEM TGV's are removed.
The Radium Engineering tumble generator valve (TGV) delete kit replaces the OEM TGVs on the Subaru FA20DIT engine found in the 2015+ Subaru WRX. This eliminates the restrictive butterfly valves in . . . Show More >