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- Electronics
  Advanced engine management & electronics enables the fine tuning of your vehicles performance, maximising the performance of aftermarket parts and unleashing the true potential of your engine.
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  The engine is the heart and soul of a high performance vehicle and must operate at its most efficient to product high power output while still being reliable and durable in harsh conditions.
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  The ignition system provides the all important spark through coil packs, plug leads, spark plugs and other electrical systems. Upgrading your ignition system will maximum engine performance.
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STI

STI, standing for Subaru Technica International, is a subsidiary of Fuji Heavy Industries, owners of Subaru. These close ties with Subaru enable STI to develop performance vehicles under the Subaru name and take these vehicles to success in competition such as the World Rally Championship. Knowledge gained from development and competition enables STI to offer performance parts for Subaru vehicles of the highest quality and performance.

www.subaru-sti.co.jp

STI

Displaying 1 to 24 new parts of 45

1 to 24 of 45

STI - Performance Muffler

STI - Performance Muffler

STI Performance Muffler

USD $ 1,111.51 to 1,262.36

STI - Folding Container - WR Blue

STI - Folding Container - WR Blue

STI Folding Container - WR Blue

USD $ 31.47 to 51.61

STI Oil Cap

USD $ 95.27

In Stock

STI - Coil Springs

STI - Coil Springs

STI Coil Springs

USD $ 71.45 to 79.39

STI - Radiator Cap

STI - Radiator Cap

STI Radiator Cap

USD $ 31.47 to 34.78

STI - Shift Knob Duracon

STI - Shift Knob Duracon

STI Shift Knob Duracon

USD $ 71.45 to 80.98

STI - Front Lip Spoiler

STI - Front Lip Spoiler

STI Front Lip Spoiler

USD $ 275.50 to 333.45

STI - Folding Container - Black

STI - Folding Container - Black

STI Folding Container - Black

USD $ 31.47 to 51.61

STI - Folding Container - Cherry Red

STI - Folding Container - Cherry Red

STI Folding Container - Cherry Red

USD $ 31.47 to 51.61

STI - Genuine Seat Leather Zip Pouch

STI - Genuine Seat Leather Zip Pouch

STI Genuine Seat Leather Zip Pouch

USD $ 43.67

STI - Flexible Draw Stiffener

STI - Flexible Draw Stiffener

STI Flexible Draw Stiffener

USD $ 190.55 to 500.18

STI - 2025 STI Motorsports Desk Calendar

STI - 2025 STI Motorsports Desk Calendar

STI 2025 STI Motorsports Desk Calendar

USD $ 16.25

STI - Aero Kit - Levorg (VN)

STI Aero Kit - Levorg (VN)

USD $ 317.58

STI - Battery Holder

STI - Battery Holder

STI Battery Holder

USD $ 69.87

STI - BRZ STI Aero Parts

STI - BRZ STI Aero Parts

STI BRZ STI Aero Parts

USD $ 63.52 to 516.06

STI - Bumper Canards

STI - Bumper Canards

STI Bumper Canards

USD $ 214.36

STI - Bumper Side Bezels

STI - Bumper Side Bezels

STI Bumper Side Bezels

USD $ 389.03

STI - Cross Member Support Kit

STI - Cross Member Support Kit

STI Cross Member Support Kit

USD $ 238.18

STI - Door Mirror Covers

STI - Door Mirror Covers

STI Door Mirror Covers

USD $ 55.58

STI - EJ20 Memorial T-shirt

STI - EJ20 Memorial T-shirt

STI EJ20 Memorial T-shirt

USD $ 50.81

STI - Engine and Transmission Mounts

STI - Engine and Transmission Mounts

STI Engine and Transmission Mounts

USD $ 63.52 to 317.58

STI - Flexible Lower Arm Bar

STI - Flexible Lower Arm Bar

STI Flexible Lower Arm Bar

USD $ 222.30 to 238.18

STI - Flexible Support Subframe

STI Flexible Support Subframe

USD $ 436.67

STI - Flexible Tower Bar

STI Flexible Tower Bar

USD $ 238.18 to 269.94

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About STI

STI, Subaru Tecnica International, was founded on April 2, 1988 by Subaru (then Fuji Heavy Industries) to bring Subaru's motorsport work under one company, and is based in Mitaka, Tokyo. Its first public outing was a world speed endurance record run in the Legacy in 1989.

STI prepared Subaru's cars for the World Rally Championship with Prodrive, which made the Impreza WRX STI famous, and it races at the Nurburgring 24 Hours and in Super GT. Its road parts, developed alongside Subaru's own cars, include suspension, brakes, exhausts, chassis bracing, aero and interior parts for the WRX, Impreza, BRZ, Levorg, Forester and more.