Invidia [08-14 WRX, 08-21 STI] High Flow Cat w/ Extra 02 Bung Downpipe Featured Products Installation instructions not included

Installation instructions not included

PLM Billet Valve Cover – Honda B-Series B16 / B18 / B20

50-state CARB compliant – this Civic cold air intake is EO-approved

Invidia's turbo outlet for the Evolution 8 & 9 is designed to bolt up to the stock turbo and will mate to your stock or most any aftermarket downpipe

Invidia [08-14 WRX, 08-21 STI] High Flow Cat w/ Extra 02 Bung Downpipe Featured Products Installation instructions not includedInvidia offers both catted and catless divorced style downpipes that are designed with a separator plate between the turbine and wastegate exhaust streams. Divorced style downpipes reduce exhaust turbulence for exceptional exhaust flow and performance. Every Invidia downpipe features 3" diameter stainless steel piping, 1 2" thick flanges, and a cast upper mouth section. Please note that without engine management such as the Cobb Accessport, a catless