![APEXi A'PEXi - Power Intake - Subaru Impreza WRX / STI / Wagon (EJ20) 96-00 [GC8/GF8]](http://turbotechperformance.com/cdn/shop/files/507-F003_3_116880a9-6fe5-4258-bbf9-3249b7215232.jpg?v=1779606947&width=600)
APEXi A'PEXi - Power Intake - Subaru Impreza WRX / STI / Wagon (EJ20) 96-00 [GC8/GF8]
The Power Intake: Engineered for Pure Performance
The A'PEXi Power Intake is the ultimate air filter designed to generate pure horsepower. Inspired by racing machine intake funnels, it utilizes the Dual Funnel design to optimize airflow. While air travels along surfaces, the center of traditional funnels often remains unused. The Power Intake’s innovative primary funnel channels airflow directly into the lower funnel at the base, a concept that proved successful in the original Super Intake model.
With enhancements in funnel design, advanced element materials, and improved airflow channeling, the Power Intake stands as one of the most efficient air cleaners on the market. By using highly durable injected resin, A’PEXi engineers created an ideal funnel shape that increases air speed without altering airflow direction. The 14-degree curve of the lower funnel maximizes efficiency, while its closer position to the base reduces drag and eliminates any "dead spots."
A newly developed dry-density fiber layer filter material increases element density, providing maximum protection against foreign materials entering the engine. Compared to previous models, the Power Intake reduces ventilation resistance by approximately 10%, delivering optimal performance and protection.
As a dry-type filter, the Power Intake is essentially maintenance-free, eliminating issues common with wet-type cleaners, such as oil sticking to airflow meters. When filter replacement is needed, it’s both simple and cost-effective.
Experience the Power Intake advantage—where efficiency, performance, and protection converge.

The Power Intake: Maximum Airflow, Minimal Restriction
Concept:
The Power Intake is designed to deliver maximum horsepower with minimal airflow restriction, making it a premier choice for performance enthusiasts.
Key Characteristics:
- Dual Funnel Design: Minimizes intake turbulence for smoother, high-speed airflow.
- Versatile Application: Ideal for use on any existing intake pipe or as a filter on a turbocharger inlet.
- Performance-Driven: Advanced dry-density fiber filter provides maximum protection with reduced ventilation resistance.
- Maintenance-Free: Dry-type filter eliminates issues like oil buildup, offering hassle-free maintenance and cost-effective replacement.
| Bolt-On | Yes |
|---|---|
| Part Number | 507-F003 |
| Year | 1996, 1997, 1998, 1999, 2000, 2000 |
| Make | Subaru |
| Model | WRX / STI / Wagon (EJ20) |
| Body Style | All |
| Engine | EJ20 |
| Chassis | BD5, BG5, GC8, GF8 |
| Power Intake Replacement P/N | 500-A021 |
| Notes | ***Off-Road Use Only*** |
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WARNING: California Prop 65 Cancer & Reproductive Harm www.p65warnings.ca.gov |
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![APEXi A'PEXi - Power Intake - Subaru Impreza WRX / STI / Wagon (EJ20) 96-00 [GC8/GF8]](http://turbotechperformance.com/cdn/shop/files/507-F003_3_116880a9-6fe5-4258-bbf9-3249b7215232.jpg?v=1779606947&width=600)
APEXi A'PEXi - Power Intake - Subaru Impreza WRX / STI / Wagon (EJ20) 96-00 [GC8/GF8]
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Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.



