Yes—it's possible to upgrade to LED headlights on a 2017 Subaru Outback. Depending on your trim and budget, you can install LED bulbs that fit the existing housings or swap in a complete LED headlight assembly. Either approach requires attention to beam pattern, electrical load, and local laws to ensure safe, legal operation.
Upgrade options for the Outback
Bulb-level LED upgrades (plug-and-play)
These are the most common and budget-friendly option, designed to replace the stock halogen bulbs without changing the housing.
- Compatibility: Must match the factory socket and fit the headlight housing; verify your exact bulb size in the owner's manual or a trusted bulb-size chart for your trim.
- Beam pattern and cutoff: Some LED bulb kits do not replicate the precise halogen beam pattern, which can cause glare or poor road illumination. Look for kits with proper optics or projector-style design.
- CAN-bus compatibility: If your Outback is wired to detect bulb failure, you may need resistors or a CAN-bus compatible driver to prevent flickering or fault codes.
- Heat management: LED bulbs generate heat at the back of the bulbs; ensure your headlight housing has adequate cooling and that the kit includes a heat sink or fan.
- Warranty and legality: Some aftermarket bulbs may affect warranty coverage; check local regulations on brightness and color temperature.
In conclusion: Bulb-level upgrades are the simplest path but may require careful selection to maintain beam quality and avoid electrical issues.
Full LED headlight assemblies (retrofits)
This option replaces the entire headlamp unit with an LED assembly designed to fit the Outback’s geometry, often providing improved beam pattern and color temperature but at higher cost and complexity.
- Fitment and compatibility: Ensure the new assembly physically fits the Outback’s headlight housing and mounting points, and aligns with the vehicle’s bumper and fenders.
- Electrical considerations: Some assemblies require wiring harness adapters or module coding; check if the unit requires CAN bus adapters or coding to avoid error messages.
- Beam pattern and aim: Proper alignment is critical; after installation, you should have the headlights aimed to maintain safe cutoff and avoid dazzling oncoming drivers.
- Regulatory compliance: Choose DOT/SAE-rated or ECE-compliant units if local rules require it; non-certified units may be illegal for road use in some areas.
- Cost and installation: Expect higher costs and potential professional installation; some retailers offer installation as part of a package.
Conclusion: Full LED headlight assemblies offer the best potential beam quality and longevity but require more planning and investment.
Installation considerations and legality
Before you commit, assess safety, legality, and installation steps to avoid nighttime hazards or regulatory issues.
- Local regulations: Some regions restrict brightness, color temperature, or require DOT/SAE-approved components.
- Proper aiming: After any headlight change, have the aim checked and adjusted to ensure proper cutoff patterns and avoid blinding other drivers.
- Electrical load and coding: LED upgrades may alter electrical load; you might need resistors or CAN bus modules to prevent fault codes.
- Warranty considerations: Upgrades can affect the vehicle’s warranty; consult Subaru or your dealer if this is a concern.
- Quality and support: Opt for reputable brands with clear warranties and customer support rather than the cheapest option.
Professional installation or at least a technician-assisted alignment is recommended if you are not confident with electrical work or headlight aiming.
Choosing a reputable kit or vendor
When selecting an LED headlight kit or assembly, prioritize compatibility, safety, and after-sales support.
- DOT/SAE certification: Ensures the unit meets safety standards; look for DOT-listed or SAE-compliant markings.
- Beam quality and color temperature: Typical LED kits range from 5000K to 6500K; choose a color you prefer but avoid excessively blue hues that reduce visibility in rain or snow.
- Warranty and return policy: A longer warranty and easy returns indicate confidence in the product.
- Heat management and build quality: Solid heat-sinking, reliable drivers, and durable housings reduce failure risk.
- Brand reputation and reviews: Look for brands with positive feedback from other Outback owners or automotive forums.
Tip: Check compatibility notes for the 2017 Outback on vendor sites, and read owner experiences to anticipate fitment challenges.
Summary
Upgrading to LED headlights on a 2017 Subaru Outback is feasible, with options ranging from bulb-level replacements to full headlight assemblies. The best path depends on your budget, desired beam quality, and willingness to manage potential wiring or aim adjustments. Do your homework—check bulb sizes for your trim, verify DOT/SAE compliance, and consider professional installation to ensure safe, legal operation and accurate headlight alignment. With careful selection, you can enjoy brighter, longer-lasting lighting without compromising safety.