NITRON NTR-R1 COILOVER KIT FOR GD SUBARU IMPREZA WRX / WRX STI (HAWKEYE) [NTCSU014R1]
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Nitron NTR-R1 Coilover Kit for GD Subaru Impreza WRX / WRX STi (hawkeye)
The Nitron NTR-R1 Coilover GD WRX kit is built for owners who want to unlock what the hawkeye Impreza chassis is genuinely capable of once the factory dampers run out of road. The wide-body hawkeye GD has the bones for serious handling, but the OEM suspension leaves performance on the table the moment the driving gets demanding, and that’s exactly the gap the Nitron NTR-R1 closes. Combined 2-way damping adjustment, drawn directly from Nitron’s R3 race platform, shares core components with a kit built for professional competition, so the GD WRX and STi gets race-derived hardware rather than a generic coilover adapted to fit. Every Nitron NTR-R1 coilover is individually hand-built with ultra-low friction components that deliver consistent, fade-resistant damping whether the car sees the street, a back road, or a full track day. Hard-anodized titanium finish parts and high-grade materials keep corrosion out and weight in check, and with each kit custom built, custom sprung, and fully serviceable, the Nitron NTR-R1 coilover for the hawkeye GD WRX and STi is an investment that holds up well beyond a single season.
Unique Technology
- Every Nitron shock starts with precision components that have been through a thorough design and development process before they reach final assembly. The modular construction gives engineers the flexibility to tailor each application properly, without compromising how individual parts are made or how they perform together. Components are machined to tight tolerances and inspected one by one by trained technicians as part of a strict quality control process. New materials, finishes, and processes go through extensive validation before adoption, with Nitron-specific technologies integrated to produce shocks that genuinely outlast and outperform competing options on the road and track. That standard of engineering is what the Nitron NTR-R1 coilover is built on.
- Basic Damper Design:
- End Eye / Top Mount
- Damper Piston & Shim Stack
- Shaft / Rod
- Floating / Separator Piston
- Suspension Oil
- Compressed Nitrogen Gas
- Basic Damper Design:
Bespoke Engineering
- Nitron doesn’t pull a generic damper off a shelf and adjust the valving to fit the GD WRX and STi. The Nitron NTR-R1 coilover for the GD WRX goes through a dedicated development process, with components, spring rates, and damping characteristics engineered specifically for the wide-body hawkeye platform. The geometry, weight distribution, and suspension travel of the hawkeye GD chassis are factored into the design from the start, not compensated for after the fact. It’s the difference between a kit built for this car and a kit built for a category of cars it happens to fall into.
Features
- Internal reservoir type
- 2-way combined adjustment
- Full alloy body
- Preload adjuster
- Combined 24 clicks of adjustment
- Nitrogen gas charged
- Precision bearing spacers supplied as required
- Consists of 4 coilovers and top mounts
- Hand made to order
Specifications
- Coilover Type: NTR-R1
- Adjustment Type: 2-way combined
- Adjustment: 24 clicks combined
- Rear Suspension Type: OEM
- Droplinks Included: No
- Recommended Spring Rates:
- FRS – Fast Road Spec:
- Front: 400lbs/inch (70N/mm)
- Rear: 286lbs/inch (50N/mm)
- FRS – Fast Road Spec:
Applications
- Subaru Impreza WRX: GD | 2006-2007
- Subaru Impreza WRX STi: GD | 2006-2007
Other Suspension Kits for GD WRX / STi Hawkeye
Notes
- Does not fit GG Wagon models
- Designed for wide-body hawkeye models, does not fit bugeye or blobeye models 2000-2005
- Custom spring rates also available, please contact us directly here for more information or for a consultation on custom rates
- Images used for illustration purposes only. Specific details, finishes and end fittings may differ from that shown.
- Precision bearing spacers supplied as required
Frequently Asked Questions
- What is the difference between the NTR-R1 and the NTR-R3? The Nitron NTR-R1 coilover for the GD WRX uses combined 2-way adjustment with 24 clicks controlling both compression and rebound through a single circuit. The NTR-R3 separates those functions entirely, with independent high speed compression, low speed compression, and rebound adjustment. The R3 gives drivers and engineers significantly more range when dialing the car in across different circuits and conditions.
- Can the Nitron NTR-R1 coilover for the GD WRX be revalved or adjusted after purchase, and are custom spring rates available? Yes on both. Every Nitron NTR-R1 coilover GD WRX kit is fully serviceable and can be revalved or rebuilt by Nitron. Custom spring rates are available at the time of order; contact us directly before ordering if your intended use or setup calls for something outside the standard specification.
About Nitron Suspension
Nitron Suspension has been at the forefront of precision suspension engineering since 1998, founded by Guy Evans with the goal of building high-performance shocks for enthusiasts and professionals alike. Over 200 dealers now carry Nitron products across Europe, Asia, the US, Australasia, and Africa. In 2008, the company moved into a dedicated facility in the UK’s Motorsport Valley, adding dynamometers, 5-axis CNC machines, and 3D CAD capabilities to support both growing demand and continued product development. A second expansion came in 2023 with a new office in Murrieta, California. The team behind every Nitron product draws from deep backgrounds in machining, materials technology, hydraulics, bike engineering, and F1 racing, with many engineers bringing firsthand experience as competitive drivers and riders. That depth of knowledge across both the technical and competitive sides of motorsport shapes every product Nitron develops.
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We want you to feel confident before making your purchase. Here are a few important details to help you better understand this product and how it fits into your space.
- Please review the product dimensions carefully to ensure the right fit for your space
- Color may vary slightly due to lighting and screen settings
- Materials and finishes are selected for both durability and visual appeal
- Some items may require simple assembly upon delivery
- Perfect for both everyday use and long-term comfort
If you have any questions about this product, feel free to reach out to our support team. We're here to help you make the right choice.
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Product Size Guide
Please refer to the general size reference below to better understand how this product may fit into your space. Dimensions may vary slightly depending on the design and materials.
| Category | Small | Medium | Large |
|---|---|---|---|
| Decor & Accessories | Up to 10″ | 10″ – 20″ | 20″+ |
| Tables | Up to 30″ | 30″ – 60″ | 60″+ |
| Seating | 1 Seater | 2–3 Seater | 4+ Seater |
| Storage Units | Compact | Standard | Large Capacity |
| Lighting | Small Fixture | Standard Fixture | Large Fixture |
Note: For exact product dimensions, please refer to the specifications section above. This guide is intended as a general reference only.
NITRON NTR-R1 COILOVER KIT FOR GD SUBARU IMPREZA WRX / WRX STI (HAWKEYE) [NTCSU014R1]
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