2 - Best sellers for Subaru WRX STI 15-21

A true weight savings that can be felt with every blip of the gas pedal. One of our best selling parts, many thousands installed on Subaru engines around the world. The PERRIN crank pulley is machined from 6061T6 billet aluminum, anodized black or red and laser etched for increased belt life and a precision fit.

PERRIN bushings eliminate the sloppy feeling during quick gear changes, giving the driver a more precise feel when shifting. Especially that crucial 2nd-3rd shift. PERRIN Shifter bushings are a hard polyurethane bushing which eliminates slop but allows natural drivetrain movement. Simply replaces the OEM rubber shifter bushings with an easy install using simple hand tools.

The PERRIN Performance intercooler coupler kit replaces your factory coupler with our high-gloss, vibrant color hose that looks and works better. Our silicone couplers are made from fiber reinforced 3-ply silicone tube. Our high strength reinforced silicone''s multi-layer design is capable of withstanding extremely high pressures and temperatures.

The PERRIN Performance intercooler coupler kit replaces your factory coupler with our high-gloss, vibrant color hose that looks and works better. Our silicone couplers are made from fiber reinforced 3-ply silicone tube. Our high strength reinforced silicone''s multi-layer design is capable of withstanding extremely high pressures and temperatures.

A Cold Air intake system relocates the filter outside of the engine compartment to deliver the coolest air inlet temperatures possible. Cooler air carries more oxygen, which translates into a more intense explosion in the combustion chamber to create more horesepower and torque.

Subaru WRX STI Oil Cooler Kit, 2015+

The PERRIN Performance intercooler coupler kit replaces your factory coupler with our high-gloss, vibrant color hose that looks and works better. Our silicone couplers are made from fiber reinforced 3-ply silicone tube. Our high strength reinforced silicone''s multi-layer design is capable of withstanding extremely high pressures and temperatures.

Sway bar - link

Wing / Wing extension for Subaru WRX STi 2015-2021 from Maxton Design. All Maxton Design styling products are made using ABS-plastic or Fiberglass. Buy 3 or more Maxton Design products to get a 5% discount, use code: MAXTONKIT at checkout.

The KW Variant 1 "inox-line" coilover kit is our entry model for increased driving pleasure with an individually adjustable lowering.
Part.nr: 10245018

This system fits Subaru WRX/STI 4-DR 15+ and uses 80mm piping and a single oulet of 101mm.

Grip Series Kit