Collection: Subaru WRX / STI

9 Aftermarket Motorsports collection of Subaru WRX / STI and Imprezza performance products includes intake and intercooler systems, exhaust systems, suspension components and more!
Subaru WRX / STI

Subaru WRX / STI Categories

Subaru WRX / STI

Add style and function to your Subaru WRX / STI!

The Subaru WRX STI is an iconic sports sedan known for its impressive performance and rally-inspired heritage. Enthusiasts and tuners alike often seek to elevate its already exhilarating driving experience through a range of upgrades. These enhancements can include powertrain modifications, such as turbocharger upgrades and aftermarket exhaust systems, to boost the car's horsepower and torque for blistering acceleration. Suspension improvements, like coilovers and sway bars, help enhance the WRX STI's handling, allowing it to carve through corners with precision. Exterior modifications often feature aerodynamic enhancements and eye-catching body kits to give the car a more aggressive and distinctive appearance. Inside the cabin, custom racing seats, upgraded audio systems, and personalized interior accents add comfort and style. Whether it's on the track or the open road, these upgrades transform the Subaru WRX STI into an even more formidable and personalized driving machine, appealing to those who seek both speed and individuality.

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White Subaru WRX STI spinning tire in dirt

Subaru WRX / STI Overview

The Subaru WRX STI is a high-performance sports sedan that seamlessly blends power, precision, and practicality. Renowned for its rally-bred heritage, this iconic model from the Japanese automaker Subaru has carved a niche for itself among enthusiasts and thrill-seekers alike.

Exterior-wise, the WRX STI boasts an aggressive and aerodynamic design, featuring a distinctive hood scoop that not only enhances its sporty aesthetics but also serves a functional purpose by channeling cooling air to the high-performance engine beneath. The bold front grille, flared fenders, and sculpted lines contribute to a dynamic and commanding presence on the road.

Under the hood lies the heart of the beast—a turbocharged, intercooled boxer engine that delivers exhilarating performance. The symmetrical all-wheel-drive system, a hallmark of Subaru's engineering prowess, ensures optimal traction and handling, allowing the WRX STI to confidently tackle a variety of driving conditions. Whether navigating sharp turns or accelerating on straightaways, the car's responsive and agile nature makes every drive a thrilling experience.

Inside the cabin, the WRX STI offers a driver-focused environment with sporty accents and modern amenities. Racing-inspired seats provide both comfort and support, keeping occupants firmly in place during spirited drives. The advanced infotainment system and intuitive controls offer a seamless blend of technology and convenience, enhancing the overall driving experience.

In terms of performance features, the WRX STI often comes equipped with advanced suspension systems, high-performance brakes, and a sophisticated drivetrain that can be fine-tuned to suit the preferences of the driver. This adaptability makes the vehicle suitable for both daily commuting and track days, showcasing its versatility.

Beyond its performance prowess, the Subaru WRX STI prioritizes safety with a suite of advanced driver-assistance features. From adaptive cruise control to lane departure warning, the car is designed to not only thrill but also protect.

In summary, the Subaru WRX STI stands as a testament to Subaru's commitment to engineering excellence and driving enthusiasts' desires. With a perfect blend of power, precision, and practicality, the WRX STI continues to captivate automotive enthusiasts who seek an exhilarating and engaging driving experience.The Subaru WRX STI is a high-performance sports sedan that seamlessly blends power, precision, and practicality. Renowned for its rally-bred heritage, this iconic model from the Japanese automaker Subaru has carved a niche for itself among enthusiasts and thrill-seekers alike.

Exterior-wise, the WRX STI boasts an aggressive and aerodynamic design, featuring a distinctive hood scoop that not only enhances its sporty aesthetics but also serves a functional purpose by channeling cooling air to the high-performance engine beneath. The bold front grille, flared fenders, and sculpted lines contribute to a dynamic and commanding presence on the road.

Under the hood lies the heart of the beast—a turbocharged, intercooled boxer engine that delivers exhilarating performance. The symmetrical all-wheel-drive system, a hallmark of Subaru's engineering prowess, ensures optimal traction and handling, allowing the WRX STI to confidently tackle a variety of driving conditions. Whether navigating sharp turns or accelerating on straightaways, the car's responsive and agile nature makes every drive a thrilling experience.

Inside the cabin, the WRX STI offers a driver-focused environment with sporty accents and modern amenities. Racing-inspired seats provide both comfort and support, keeping occupants firmly in place during spirited drives. The advanced infotainment system and intuitive controls offer a seamless blend of technology and convenience, enhancing the overall driving experience.

In terms of performance features, the WRX STI often comes equipped with advanced suspension systems, high-performance brakes, and a sophisticated drivetrain that can be fine-tuned to suit the preferences of the driver. This adaptability makes the vehicle suitable for both daily commuting and track days, showcasing its versatility.

Beyond its performance prowess, the Subaru WRX STI prioritizes safety with a suite of advanced driver-assistance features. From adaptive cruise control to lane departure warning, the car is designed to not only thrill but also protect.

In summary, the Subaru WRX STI stands as a testament to Subaru's commitment to engineering excellence and driving enthusiasts' desires. With a perfect blend of power, precision, and practicality, the WRX STI continues to captivate automotive enthusiasts who seek an exhilarating and engaging driving experience.

Popular Subaru WRX / STI Upgrades

Unleash the full potential of your Subaru WRX STI with a carefully curated selection of upgrades and performance parts that redefine driving excellence. Elevate your driving experience and command the road with a range of enhancements designed to optimize power, handling, and style.

1. Power and Performance Upgrades:

  • Turbocharger Kits: Experience a surge in power with high-performance turbocharger kits tailored for the WRX STI, delivering increased horsepower and torque.
  • Cold Air Intake Systems: Maximize airflow to the engine with precision-engineered cold air intake systems, ensuring optimal combustion and heightened performance.
  • Exhaust Systems: Upgrade to a high-flow exhaust system for enhanced exhaust gas flow, unleashing a distinctive growl and extracting every bit of power from your engine.

2. Suspension and Handling Enhancements:

  • Coilover Suspension Kits: Achieve the perfect balance between comfort and performance with adjustable coilover suspension kits, allowing you to fine-tune your WRX STI's ride height and handling.
  • Performance Sway Bars: Improve stability and reduce body roll during aggressive cornering with performance sway bars, enhancing overall handling and responsiveness.
  • Upgraded Braking Systems: Upgrade to high-performance brake kits for improved stopping power and fade resistance, essential for high-speed driving and track days.

3. Aesthetic and Exterior Modifications:

  • Aero Kits: Elevate the visual appeal of your WRX STI with aerodynamic body kits, designed to enhance both form and function.
  • Carbon Fiber Accents: Infuse a touch of racing-inspired elegance with carbon fiber exterior accents, providing a lightweight and stylish edge.
  • Custom Wheels: Choose from a selection of lightweight alloy wheels that not only enhance aesthetics but also improve handling and reduce unsprung weight.

4. Interior Upgrades:

  • Performance Seats: Upgrade your driving experience with performance-focused seats that offer enhanced support during spirited driving.
  • Custom Steering Wheels: Add a personal touch to your cockpit with a custom steering wheel, combining style with ergonomic design for a comfortable grip.
  • Performance Gauges: Monitor crucial engine parameters with precision through upgraded performance gauges, providing real-time data for an immersive driving experience.

5. Engine Management and Tuning:

  • ECU Tuning: Unlock the full potential of your engine with ECU tuning, optimizing fuel and ignition parameters to extract maximum performance.
  • Performance Chips: Enhance throttle response and overall engine efficiency with plug-and-play performance chips, allowing for easy customization.

Transform your Subaru WRX STI into a high-performance masterpiece with these carefully selected upgrades and parts. Whether you're navigating city streets or dominating the track, these enhancements ensure that your WRX STI stands out as a true performance icon.

About Subaru WRX / STI Suspension Suspension

Elevate Your Driving Experience with High-Performance Subaru WRX STI Suspension Upgrades and Parts

Unleash the true potential of your Subaru WRX STI with our curated selection of cutting-edge suspension upgrades and parts. Engineered for precision and performance, these enhancements are designed to transform your driving experience, delivering unparalleled handling, responsiveness, and control.

  1. Coilover Systems:
    Upgrade your WRX STI's suspension with state-of-the-art coilover systems that offer adjustable ride height, damping, and rebound. Experience the perfect blend of comfort and race-ready performance, allowing you to fine-tune your vehicle's dynamics for any driving scenario.
  2. Performance Springs:
    Elevate your STI's cornering prowess with our selection of performance springs. These springs provide a lower center of gravity, reducing body roll and enhancing overall stability without compromising ride quality. Choose from various spring rates to tailor your setup to your driving style.
  3. Sway Bars (Anti-Roll Bars):
    Take control of your WRX STI's body movements during aggressive driving with upgraded sway bars. These anti-roll bars minimize body roll, enhancing stability and responsiveness in corners. Select from adjustable options to fine-tune your suspension setup for optimal performance on both the street and the track.
  4. Strut Tower Braces:
    Strengthen your STI's chassis and improve handling precision with strut tower braces. These components reduce flex in the front suspension, providing a more direct and responsive feel through the steering wheel. Elevate your confidence in tight corners and high-speed maneuvers.
  5. Performance Bushings:
    Upgrade your factory suspension bushings with high-performance alternatives to minimize play and enhance overall responsiveness. Polyurethane or solid aluminum bushings can significantly improve suspension feel and precision, allowing you to connect with the road like never before.
  6. Adjustable Control Arms:
    Fine-tune your suspension geometry with adjustable control arms. These components enable you to optimize camber and toe settings, ensuring optimal tire contact with the road surface for improved traction and cornering performance.
  7. Brake Upgrades:
    Complement your enhanced suspension with upgraded brake components. High-performance brake kits provide the stopping power needed for spirited driving, while slotted or drilled rotors dissipate heat more effectively for consistent braking performance.
  8. Wheel and Tire Packages:
    Complete your suspension upgrade with a carefully curated wheel and tire package. Choose from a selection of lightweight, high-performance wheels and premium tires to maximize grip and enhance the aesthetic appeal of your WRX STI.

Transform your Subaru WRX STI into a precision-engineered driving machine with our comprehensive range of suspension upgrades and parts. Elevate your driving experience and conquer the road with confidence.

About Subaru WRX / STI Lighting

Unleash the power and style of your Subaru WRX STI with cutting-edge lighting upgrades and parts designed to enhance both performance and aesthetics. Elevate your driving experience with a carefully curated selection of aftermarket components that not only illuminate the road ahead but also make a bold statement on the streets.

  1. LED Headlights:
    Upgrade your visibility and give your WRX STI a modern edge with high-performance LED headlights. These lights not only provide a brighter and clearer view of the road at night but also add a sleek and contemporary look to the front end of your vehicle.
  2. HID Conversion Kits:
    Take your lighting game to the next level with High-Intensity Discharge (HID) conversion kits. These kits offer superior brightness and color temperature, ensuring that your WRX STI stands out while delivering improved visibility in various driving conditions.
  3. Sequential LED Tail Lights:
    Make a lasting impression as you zoom past with eye-catching sequential LED tail lights. These lights not only enhance safety by improving your vehicle's visibility to those behind you but also add a touch of sophistication and modernity to the rear of your WRX STI.
  4. LED Fog Lights:
    Conquer adverse weather conditions with powerful LED fog lights. Engineered for optimal performance in low-visibility situations, these lights cut through fog, rain, and snow to keep you safe on the road while complementing the overall aesthetic of your vehicle.
  5. Underglow LED Kits:
    Transform your WRX STI into a showstopper with underglow LED kits. These vibrant lights, available in various colors, add a futuristic and dynamic element to your vehicle's exterior, giving it a distinct and personalized look.
  6. Interior LED Lighting:
    Upgrade the interior ambiance of your WRX STI with LED lighting kits. Choose from a spectrum of colors to create a customized and inviting atmosphere inside your vehicle. Illuminate the cabin with style and sophistication.
  7. Light Bars and Pods:
    For off-road enthusiasts, equip your WRX STI with powerful light bars and pods. These additions not only enhance visibility during nighttime off-road adventures but also contribute to the rugged and adventurous aesthetic of your vehicle.
  8. Customized Headlight Housings:
    Explore unique headlight housing options to give your WRX STI a distinctive appearance. Whether it's a sleek blacked-out design or a bold color-matched housing, personalized headlight aesthetics can set your vehicle apart from the rest.

Invest in these Subaru WRX STI lighting upgrades and parts to not only illuminate your path but to also showcase your personality and style on the road. With a fusion of innovation, performance, and design, these upgrades redefine the driving experience for Subaru enthusiasts.

About Subaru WRX / STI Powertrain

The Subaru WRX STI is an iconic performance sedan known for its rally-inspired design and exhilarating driving experience. To enhance the already impressive capabilities of the WRX STI, enthusiasts often turn to a variety of engine upgrades and performance parts, transforming this sports car into a high-powered machine. Here's a detailed description of some popular Subaru WRX STI engine upgrades and parts:

1. Turbocharger Upgrades:

  • Enthusiasts often opt for aftermarket turbochargers to increase the WRX STI's horsepower and torque. Upgraded turbochargers enhance boost levels and improve overall engine efficiency, delivering a significant bump in performance.

2. Exhaust Systems:

  • Upgrading the exhaust system is a common modification to enhance both the sound and performance of the WRX STI. Aftermarket cat-back exhaust systems, featuring larger diameter pipes and high-flow mufflers, not only provide a more aggressive tone but also reduce exhaust restriction, allowing the engine to breathe more freely.

3. Cold Air Intake Systems:

  • Cold air intake systems replace the stock air filter and intake components with high-flow, performance-oriented counterparts. By bringing in cooler air, these systems improve combustion efficiency, resulting in increased horsepower and throttle response.

4. Engine Management Systems:

  • Aftermarket engine management systems allow for fine-tuning of the WRX STI's performance parameters. This includes adjustments to fuel injection, ignition timing, and boost levels, optimizing the engine for the specific upgrades installed. This ensures proper calibration and maximizes power gains.

5. Intercooler Upgrades:

  • Upgrading the intercooler is crucial for maintaining consistent and lower intake air temperatures. Aftermarket intercoolers with larger surface areas and improved cooling efficiency help prevent heat soak, which can occur during spirited driving, and contribute to better overall engine performance.

6. Performance Headers:

  • High-performance headers replace the stock exhaust manifold, improving exhaust flow and scavenging. This modification enhances the WRX STI's power delivery, particularly in the mid-to-high RPM range, resulting in a more responsive and powerful driving experience.

7. Upgraded Fuel System:

  • As engine power increases, ensuring an adequate fuel supply becomes essential. Upgrading the fuel system, including injectors and fuel pumps, allows the WRX STI to handle the increased demand for fuel, supporting higher horsepower levels and maintaining optimal air-fuel ratios.

8. Performance Camshafts:

  • Aftermarket camshafts are designed to optimize valve timing and lift, enhancing the WRX STI's performance across the entire RPM range. This modification can result in improved horsepower and torque, especially at higher engine speeds.

Enthusiasts can mix and match these upgrades based on their performance goals and driving preferences, creating a customized Subaru WRX STI that delivers an exhilarating and personalized driving experience.