Replacement Panel Air Filter

This Spectre Replacement Panel Air Filter is a high performance replacement panel air filter listed for the 2016-2018 Subaru STI with the 2.5L H4 F/I engine, identified by Spectre part number HPR9997. Spectre copy stored in the listing states the filter is engineered to outperform ordinary paper filters by providing increased air flow for improved performance.

Features:

• Spectre part number HPR9997
• Manufactured using pre-dyed synthetic media, urethane, and steel mesh, per Spectre copy stored in the listing
• Reinforced with a steel mesh, per that copy
• Factory pre-oiled and ready to use, per that copy
• Designed to provide more horsepower and acceleration by allowing more air flow into the engine than ordinary paper filters, per that copy

Fitment:

• Legacy title application kept verbatim: 2016-2018 Subaru STI, 2.5L H4 F/I - see Fitment Notes and flag
• Stored fitment list (381 entries) covers Subaru B9 Tribeca 2006-2007, Subaru Crosstrek 2016-2017, Subaru Forester XT 2009-2018, Subaru Forester 2009-2018, Subaru Impreza 2003-2016, Subaru Impreza WRX 2008-2014, Subaru Impreza WRX STI 2008-2014, Subaru Legacy 2003-2019, Subaru Outback 2003-2019, Subaru Tribeca 2008-2014, Subaru WRX 2015-2021, Subaru WRX STI 2015-2018, Subaru XV Crosstrek 2013-2015 applications
• Confirm by part number HPR9997 before ordering

Q&A:

• Q: Does this fit my 2016-2018 Subaru STI 2.5L? A: The legacy title lists Spectre part HPR9997 as a replacement panel air filter for the 2016-2018 STI 2.5L H4 F/I, and the stored fitment list includes Subaru WRX STI 2015-2018 applications among a much broader list, so confirm by part number HPR9997 before ordering.
• Q: What is included? A: One Spectre replacement panel air filter, part HPR9997, is included per SKU.
• Q: Is this filter ready to use? A: Yes. Spectre copy stored in the listing states the filter is factory pre-oiled and ready to use.
• Q: What is this filter made from? A: Spectre copy stored in the listing states the filter is manufactured using pre-dyed synthetic media, urethane, and steel mesh.

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