2015-2021 WRX & STI Mods

The KW coilover kit Variant 1 "inox-line" is our entry model for more driving pleasure with an attractive and individually adjustable lowering. Due...

DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...

XR Red   Compressor wheel - 79HTZ Flow rating - 65LB per minute CW Measurements - 57MM Inducer / 79MM Exducer TW Measurements - 67.7MM Inducer / 6...

XR Blue™   Compressor wheel - 73HTZ™ Flow rating - 57LB per minute CW Measurements - 52.6MM Inducer / 73MM Exducer TW Measurements - 60.8MM Induc...

New for 2020! All FP Black model turbos will come standard with a black coated compressor cover!   Compressor wheel - 82HTZ Flow rating - 71LB per...

SuperPro has a complete replacement and repair upgrade solution for control arms.The SuperPro kit comes with arms with heavy duty ball joints, brac...

If you are looking for increased cornering capabilities with decreased body roll, Roll Control sway bars are the answer! By being adjustable the Sw...

If you are looking for increased cornering capabilities with decreased body roll, Roll Control sway bars are the answer! By being adjustable the Sw...

If you are looking for increased cornering capabilities with decreased body roll, Roll Control sway bars are the answer! By being adjustable the Sw...

ETS now offers the catback rear secion separately if you're looking to change up your ETS 2015-2021 WRX/STI exhaust system!  Extreme - No Muffler...

The Extreme Turbo Systems 2015-2021 Subaru STI Twin Scroll Turbo Kit is designed to give you the broadest powerband without sacrificing performance...

The ETS Axle-back exhaust for the 2015-2021 WRX and STI utilizes a full stainless steel construction. The axle back is 2.5" that mates to the stoc...

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most ...

The SuperPro Roll Control two position adjustable front sway bar is 26mm solid and the rear is a three position adjustable 24mm solid sway bar.Add ...