Invidia [08-14 WRX, 08-21 STI] High Flow Cat w/ Extra 02 Bung Downpipe Featured Products PERRIN 25mm Bar Hole #1

PERRIN 25mm Bar Hole #1 550% Stiffer than 15mm OEM Bar

Designed for aggressive driving and performance upgrades

and enhanced turbo response for street

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

they’re perfect for show use or replacing worn-out headlights

Invidia [08-14 WRX, 08-21 STI] High Flow Cat w/ Extra 02 Bung Downpipe Featured Products PERRIN 25mm Bar Hole #1Invidia 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