These adapters provide an easy solution for mounting a Tial 50mm blow-off valve on any car that has a stock 1G BOV blow-off valve. This is a 5-minute bolt-on alternative to Tial's weld-on flange. This kit does not require cutting or welding to install, and comes with the o-ring. Tial flanges will require cutting and welding.
***** QUANTITY OF TWO (2) ARE NEEDED FOR THE GT-R! *****