Invidia Downpipe Catless w/ O2 Bungs WRX (2008-2014) STI (2008-2018) Acura In the Box:

In the Box:

eliminating all driveline slop and that annoying thud from first to second gear

Perrin's crank pulley will not wear out engine bearings or the oil pump

AEM has released a performance strut bar for the 2009-2014 Subaru WRX/STI

which provides more surface coverage for cooler intake charge temperatures

Invidia Downpipe Catless w/ O2 Bungs WRX (2008-2014) STI (2008-2018) Acura In the Box:Invidia offers both catted and catless divorced style downpipes for the 2008 2014 WRX and 2008 2018 STI 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