Category: STi Engine Mods

0

STi WRX Hatchback Axle Back Exhaust

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...

0

HiFlow Exhaust Manifold Crosspipe

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...

0

Water Pump Housing for STi

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...

Turbo Wrap Kit for STi 0

Turbo Wrap Kit for STi

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...

0

Catless Shorty Downpipe

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....