Category: STi Engine Mods
These HT Autos Side Skirt Extensions improve aerodynamics and reduce drag with these side skirt extensions. Easy bolt-on installation; clips are included. Set of two skirt extensions, left and right. Fits all 2008-2014 STI...
This PERRIN hatchback exhaust features 4, 3.5″ slash cut exhaust tips adds an aggressive look to this impressive system. Made entirely of 304 stainless steel, inside and out. Also provides high corrosion resistance, and...
This is Nameless Performance’s track pipe for the 2008-2014 STI and 2011-2014 WRX Hatch Back. The intent behind this is to provide the lightest option available for an axleback. They included a gasket that...
Mishimoto X-Line Aluminum Radiator 2008-2014 WRX / 2008-2016 STI The Mishimoto X Line performance aluminum radiator for the 08+ Subaru WRX and STI has 3 row core to maximize cooling efficiency, boost engine functions,...
The stock exhaust manifold crossover. 50% of your exhaust gasses are passing through this tiny tiny pipe and that is not good. Well here comes the solution for this problem. Welcome the GrimmSpeed Version...
Killer B’s Water Pump Housing is a much more robust design. Designed using state of the art 3-D CAD software to assure maximum flow with minimum turbulence for the best performance possible! – 3D...
Insulating the turbine housing of the turbocharger keeps the compressor side cooler, reducing underhood and intake temperatures. Plus, it increases turbo response by keeping exhaust heat in the turbine housing, maintaining exhaust gas velocity...
Installing the STI Sport Package mods on the 2016 Subaru WRX will give your Subaru more power and a more engaging driving experience. There are 3 essential mods. The factory WRX Sport Package is...
This GrimmSpeed HiFlow Exhaust Manifold Crosspipe fits the 2002-2005 WRX / 2008-2014 WRX / 2004-2014 STI / 2005-2006 LGT. 50% of your exhaust gasses are passing through this tiny tiny pipe and that is...
Direct bolt on and replacement for primary cat section. Replaces only the primary catalytic and retains the secondary cat maintaining a stock look and still getting a nice increase in hp and better spoolup....