Factory setup not specified in fitment source

2017 Subaru Impreza Headlight Bulbs & Lighting Guide

Integrated factory LED headlights, factory performance, and practical service guidance for the 2017 Subaru Impreza.

Low beam
H11
High beam
9005 / HB3
Factory setup
Factory setup not specified in fitment source
7.9/10BulbFacts OE Visibility Score
Factory performanceStrong Factory Lighting
2017 Subaru Impreza factory headlights vehicle image

How the factory headlights perform

Strong Factory Lighting

Usually no upgrade needed; confirm the exact trim and keep lenses clean and properly maintained.

Peak low-beam reach
365 ft
Compared with tested Cars, Sedans & Hatchbacks81st percentile
Compared with all tested vehicles77th percentile
Peak high-beam reach
469 ft
Compared with tested Cars, Sedans & Hatchbacks24th percentile
Compared with all tested vehicles24th percentile
Curve visibility
11.6 / 15
Glare control
8.3 / 10Recorded low-beam glare exceedance up to 13.5%
High-beam assist
Yes
Curve-adaptive lighting
Yes

Performance varies by factory headlight system or trim. Confirm the installed configuration above.

Best headlight upgrades

These products were physically tested by BulbFacts, but the tests were not performed in this exact vehicle unless a card explicitly says otherwise.

Factory setup not specified in fitment source

Low Beam: H11 · High Beam: 9005 / HB3

Best direct replacement

OSRAM Night Breaker 200

Low Beam H11 · High Beam 9005 / HB3

BulbFacts testedCorrect bulb size
Best Standard Reflector Upgrade

The Night Breaker 200 is the top standard-wattage reflector recommendation at the time of review. Anything scoring higher in the reflector chart uses much higher wattage, while the NB200 keeps the simple drop-in halogen format.

General BulbFacts housing test
Read BulbFacts reviewCompare test resultsBuy at eBay

A matching bulb size identifies fitment; it does not by itself prove optical compatibility or make a conversion a vehicle-specific recommendation.

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Other bulbs

Available exterior and interior lighting data for this model year.

Cargo / Trunk Light
T10Possible fitment — verify installed bulb
Dome Light
DE3175Possible fitment — verify installed bulb
Fog Light
H11Possible fitment — verify installed bulb
Front Side Marker
T10Possible fitment — verify installed bulb
Front Turn Signal
7443Possible fitment — verify installed bulb
License Plate Light
T10Possible fitment — verify installed bulb
Map Light
DE3175Possible fitment — verify installed bulb
Parking Light
7443Possible fitment — verify installed bulb
Rear Side Marker
T10Possible fitment — verify installed bulb
Reverse Light
7443Possible fitment — verify installed bulb
Tail Light
T10Possible fitment — verify installed bulb
Turn Signal (Unqualified)
7443Possible fitment — verify installed bulb
Technical details and sources

Fitment, factory-system research, and BulbFacts product tests remain separate evidence. A matching bulb size does not by itself make a conversion a vehicle-specific recommendation.

PositionBulb or systemEvidence status
Low BeamFactory setup not specified in fitment sourceH11Possible fitment — verify installed bulb
High BeamFactory setup not specified in fitment source9005 / HB3Possible fitment — verify installed bulb

Each model year opens its own BulbFacts record. Bulb sizes and factory systems are not carried over from adjacent years.

Fitment note: Verify the installed bulb, connector, housing, and factory system before ordering. A bulb-size match is not automatically a conversion recommendation or proof of vehicle-specific testing.