Subaru Legacy GT 2010-2014

What are the best upgrades for a 2010–2014 Subaru Legacy? The fifth-generation Legacy (BM/BR chassis) is best served by maintenance-first upgrades with confirmed fitment: Subaru OEM service items like the 16mm oil drain plug crush gasket (listed for 2010–2015 Legacy), quality synthetic oil such as Motul 5W-30, and chassis hardware like the Perrin pitch stop mount, which is listed for Legacy GT among other models. Always check each product’s fitment notes for your exact year and trim before ordering.

The 2010–2014 Legacy marked Subaru’s push upmarket — a larger, quieter, refined sedan and wagon that still carried turbocharged GT variants early in the run. Because it shares so much hardware with the WRX and Forester XT of the era, many drivetrain and chassis upgrades cross over directly. That shared DNA makes this generation a strong daily-driver platform: comfortable stock, with room to sharpen shifter feel, chassis response, and maintenance quality.

Popular brands in this collection include Subaru OEM for factory service parts, Motul for synthetic oils, Perrin Performance for drivetrain and chassis hardware, Dmann Tuning for OTS tuning solutions, and JDMuscle’s own JDMuscle interior accessories.

Browse related collections: Subaru Legacy GT, Legacy GT 2005–2009, 2015 Legacy Parts. Popular picks: Subaru OEM 16mm Oil Drain Plug Crush Gasket, Motul 5L 8100 5W-30 Motor Oil, the Perrin Pitch Stop Mount, and the JDMuscle Tanso Carbon Fiber Shift Knob. Wondering about coverage? Read will aftermarket parts void my warranty.

2010–2014 Legacy Parts FAQ

Will these parts fit my 2013 Legacy 2.5i or 3.6R?

Many items here are universal-fit or cross-platform — for example, the OEM crush gasket is listed for 2010–2015 Legacy. Still, always verify your exact year and trim in the product’s fitment notes before ordering.

Do I need a tune for these upgrades?

Maintenance items, shift knobs, and chassis hardware never require a tune. ECU tunes and power modifications should be handled by a professional tuner familiar with your engine.

How difficult is installation?

Most parts in this collection are beginner-friendly: gaskets and fluids follow the factory service procedure, shift knobs thread on by hand, and mounts install with basic hand tools in under an hour.

Are OEM service parts better than aftermarket?

For maintenance, OEM parts guarantee factory-spec fit — that’s why items like the Subaru crush gasket are popular. For feel and performance upgrades, established aftermarket brands are the usual pick.