Category: STi Exhaust

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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...

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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...

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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...

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Axle Back System

Designed for the 2015 Subaru WRX and STi Sedans, the Nameless Performance AxleBack Exhaust is a direct factory fit to the OEM midpipe at the Y. Removing the two factory 13.5lb restrictive baffled mufflers...

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3-INCH EXHAUST ADAPTER

Use this adapter to fit a flat-flange downpipe to a Borla cat-back, or use it anywhere else there’s a need for a flat 3″ two-bolt stainless flange with a 4″ length of stainless 3″...

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Catless Downpipe

This catless downpipe is constructed of 304 Stainless Steel and retains a full 3 inch design through out to dramatically increase exhaust flow and increase performance. Features: Made with T-304 Stainless Steel High Quality...

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Axle Back Exhaust Systems

An over-sized 3.5″ slash cut exhaust tips add an aggressive look to this impressive system. This  PERRIN exhaust tips are a high polished, single wall construction and will not lose its color in extreme...