1.8T Engine SAi Delete Block Off Plate Billet Exhaust Accessory For VW Audi Mk4

Fits for Mk4 TT B5 B6. This SAI (secondary air injection) block off plate is on the 1.8T cylinder head when the system has been removed. 1、This SAI (secondary air injection) block off plate is on the 1.8T cylinder head when the system has been removed.

eBay