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Description
📝 Product Description
Upgrade your Subaru WRX or STI with a rear diffuser that brings aggressive styling and functional attitude to your build. CNC-cut from 3mm ACM, it delivers lightweight rigidity and a sharp profile without adding unnecessary bulk.
Drilling is required for installation. Assembly hardware is included. Mounting hardware is not included, allowing you to tailor the install to your bumper setup.
🛠️ Features
• Fits 2015–21 Subaru WRX/STI with standard rear bumper
• CNC-cut from 3mm ACM for strength and precision
• Requires drilling for install
• Includes assembly hardware
• Mounting hardware not included
• Designed for aggressive, track-inspired style and daily durability
🔩 Hardware Options (Assembly Only)
• Stainless Steel – Clean and corrosion-resistant
• AccuBlack Marine-Grade Black Stainless (A4) – Premium matte black from Accu-Components
📦 Shipping
Ships in 3–7 business days
Tracking provided at time of shipment
📌 Notes
If you're running a widebody or aftermarket bumper, check out our Widebody WRX/STI Diffuser option.
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You’ve Got Questions, We’ve Got Answers
We’ve got the info you need. If not, just ask!
Absolutely! At Sleek, we understand that every car and project is unique. If you’re looking for a custom fit, unique material, or tailored design, we’re here to make it happen. Reach out to us with your ideas, and we’ll work with you to bring your vision to life.
- “ACM, or Aluminum Composite Material, is a lightweight and durable material composed of two aluminum layers bonded to a non-metal core. It’s our material of choice because it combines exceptional strength with a sleek, smooth finish. ACM’s rigidity and resistance to environmental factors like UV rays and moisture make it ideal for both street and track applications. Its versatility allows us to deliver high-quality, in-house-crafted aero products that meet the demands of our customers.”
Yes! We offer in-store pickup for all of our products. Simply select the ‘In-Store Pickup’ option at checkout, and we’ll notify you as soon as your order is ready for collection at Sleek HQ. Our shop hours are 10 AM to 6 PM, and we’re located at 3446 University Ave, Morgantown, WV 26505.
Every Sleek product is crafted in-house with meticulous attention to detail. Most orders are fulfilled within 3–7 business days. Custom orders may take additional time depending on the complexity, but we’ll keep you updated throughout the process. Once your order ships, you’ll receive a confirmation email with tracking details.
Yes! We’re working on detailed installation videos for all of our products to help you install with confidence. Stay tuned as we release these guides, and don’t hesitate to reach out if you have any specific questions in the meantime.
