Is this for the driver or passenger side?

The 600SB206R is for the right (passenger) side. For the driver side, you need the 600SB206L, which is sold separately.

Do I need to drill or modify anything for installation?

No drilling is required for standard installation. The base bolts directly to the factory seat mounting points on the floor. Drilling is only needed if you want to custom-mount side brackets directly to the platform.

Does this include seat sliders?

Yes, Sparco adjustable sliders are included. They provide 150mm of fore-and-aft travel for adjusting your seating position.

2015-2020 Subaru WRX STI Seat Base Right

Name: Sparco Base Subaru WRX/Sti 2015 Rt
Brand: SPARCO
Price: 208.87 USD
Availability: InStock

Sparco Base Subaru WRX/Sti 2015 Rt

$208.87

Only 3 left in stock

Fits 2015-2020 Subaru WRX and WRX STI passenger side. 3/16-inch steel seat mounting base with bolt-in installation and adjustable sliders.

Key Features

Fits 2015-2020 Subaru WRX and WRX STI passenger (right) side.
3/16-inch thick steel construction eliminates flex.
100% bolt-in installation using factory floor mounting points.
Includes Sparco adjustable sliders with 150mm fore-and-aft travel.
Black wrinkle powder coat finish.
Wide platform allows custom side-mount drilling if needed.

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Fits these vehicles

Subaru WRX 2015-2020
Subaru WRX STI 2015-2020

Product Details

Installing an aftermarket racing seat in a 2015-2020 Subaru WRX or WRX STI starts with a proper mounting base, and the Sparco 600SB206R is the right-side bracket built specifically for this chassis. It bolts directly to the factory floor mounts without modification, giving you a flat, solid platform for your Sparco seat.

Sparco uses 3/16-inch thick steel for the base, which eliminates flex under load. That rigidity matters during spirited driving or track days when you need the seat to stay planted. The black wrinkle powder coat finish protects the steel from corrosion and gives it a clean look that matches most interior environments. Included adjustable sliders provide 150mm of fore-and-aft travel so you can dial in your seating position.

Beyond the pre-drilled mounting holes for standard bolt-on installation, the base features a wide metal platform that allows custom mounting of side mounts directly to the base if your seat setup requires it, though that does involve drilling. At 7.2 pounds, the base adds minimal weight. The left-side driver bracket is available separately as part number 600SB206L.